Only beach nourishment uses a hard structure to manage erosion.
Both relocate materials back to the shore
Beach nourishment refers to the addition of sand on the beach to reduce the erosion effect by water currents.
Vegetation management is the (re)plantation of plants to reduce the erosion effect on beaches caused by waves.
In the statements given above, the addition of hard structure doesn't primarily means beach nourishment, likewise, vegetation management doesn't replace the sand on the beach but rather prevents sand erosion. However, vegetation management brings in plants that hold the sand, especially on dunes. Floods cannot be controlled by beach nourishment but with the help of plants, their impact can be minimized.
Therefore, the correct answer is option
3. Only beach nourishment uses a hard structure to manage erosion.
To learn more about both relocate materials back to the shore
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a group of organisms that are all of the same species living in the same area and interacting with each other is called
A. a population
B. a community
C. a biome
D. an ecosystem
Answer:
Population
Explanation:
A group of organisms of the same species living in the same area at the same time, and which are capable of interbreeding.
A group of the same species in the same area is called a population. Communities are multiple populations in an area, and ecosystems include these communities plus abiotic factors. The biosphere is the total collection of all Earth's ecosystems.
Explanation:A group of organisms that are all of the same species, living in the same area and interacting with each other, is called a population. When discussing different populations that inhabit a common area and their interactions, we refer to it as a community. In contrast, an ecosystem includes not only the biological community but also the abiotic, or non-living, components of the environment, such as soil nutrients and water. At the highest order, the biosphere comprises all ecosystems and represents life on Earth, extending through land, water, and portions of the atmosphere.
For example, in a forest, all the trees, flowers, insects, and other populations form the forest's community. The forest as a whole is an ecosystem, which includes both biotic (living) and abiotic (non-living) components. At the highest level of organization, the biosphere encompasses all ecosystems on Earth. It includes land, water, and even portions of the atmosphere.
How are oxbows and loess similar?
Oxbows and loess both show similarity as they both show the constructive power of erosion. An oxbow lake starts as a curve in a river. Oxbows are formed where the river often empties into another water body. A loess is a sediment which is formed by the accumulation of the wind blown silt.
Answer:
they both the constructive power of erosion
there both formed by river erosion
there both caused by gravity
Explanation:
Please help asap
Which of the following describes what might happen with a sudden increase in precipitation in the grassland biome? (2 points)
Select one:
a. Rise in drought-tolerant plants
b. Salt and sediment deposition
c. Increase in plant and animal diversity (Incorrect)
d. Nutrient loss and soil erosion
Answer:
im pretty sure that it is D.
do bananas float or sink
Answer:
Different fruits and vegetables will also float or sink depending on their density. In general, apples, bananas, lemons, oranges, pears, and zucchinis will float, while avocados, potatoes, and mangoes will sink
Explanation:
Answer:
Different fruits and vegetables will also float or sink depending on their density. In general, apples, bananas, lemons, oranges, pears, and zucchinis will float, while avocados, potatoes, and mangoes will sink. Density meaning weight , have a good day , peace
Explanation:
Which VERY important process MUST occur prior to cell division and why?
Question 4 options:
Protein Synthesis must occur prior to cell division in order for cells to grow properly.
DNA Replication must occur prior to cell division because T bases should not be created in new cells.
DNA Replication must occur prior to cell division because DNA carries the coding or instructions for all cell function.
Transcription must occur prior to cell division because RNA needs to be able to leave the nucleus for cells to divide.
Answer:
DNA Replication must occur prior to cell division because DNA carries the coding or instructions for all cell function.
DNA Replication must occur prior to cell division because DNA carries the coding or instructions for all cell functions.
The cell cycle can be sequentially divided into an interphase and a mitotic 'M' phase.The interphase can in turn be divided into a Growth G1 phase, synthesis (S) phase and Growth G2 phase.DNA replication occurs during the S phase, before the mitotic M cell division.In conclusion, DNA Replication must occur prior to cell division because DNA carries the coding or instructions for all cell functions.
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The numbered boxes in the diagram represent which of the following?
Answer:
The correct answer is : C. 1 - oxygen ; 2 - carbon dioxide.
Explanation:
The given picture shows the occurrence of photosynthesis and cellular respiration in the plant and animal, respectively. Both the processes form a part of the Carbon Cycle.During photosynthesis, the plant utilises the carbon dioxide, obtained from the air, and water, obtained from the soil, along with light energy, to produce its metabolic product, glucose and by-product, oxygen.During cellular respiration, the animal utilises the oxygen released by the plants for oxidising its food and obtaining energy and release carbon dioxide as by-product which is again taken up by the plants for photosynthesis.This is the way by the carbon cycles in the biosphere.
Hi!! Can anyone please help me with the problem linked as a photo? Thanks!!
Two cells will finally be produced .If the parent cell has 2n chromosomes, each daughter cell will have n chromosomes.
1. How many cells will finally be produced?
Two cells will finally be produced.
2. How many chromosomes will be in each cell?
Each cell will have half the number of chromosomes as the parent cell. So, if the parent cell has 2n chromosomes, each daughter cell will have n chromosomes.
3. Sketch one of the final cells, showing its chromosomes.
Here is a sketch of one of the final cells, showing its chromosomes:
+---+---+
| | |
| | |
| | |
+---+---+ +---+---+
| | | | | |
| | | | | |
| | | | | |
+---+---+ +---+---+
This cell has 2n = 4 chromosomes. The chromosomes are arranged in homologous pairs.
The sister chromatids of each chromosome are attached at the centromere.
Additional information about the image:
The image you provided shows the sequence of events in a cell undergoing normal meiotic cell division.
The four diagrams represent the following stages:
Diagram 1: Prophase I. The homologous chromosomes pair up and form tetrads.
Crossing-over, the exchange of genetic material between homologous chromosomes, can occur during this stage.
Diagram 2: Metaphase I. The tetrads align on the metaphase plate.
Diagram 3: Anaphase I. The homologous chromosomes separate and move to opposite poles of the cell.
Diagram 4: Telophase I and cytokinesis. Two daughter cells are formed, each with a haploid set of chromosomes.
After meiosis I, the two daughter cells enter meiosis II. Meiosis II is similar to mitosis, but the sister chromatids of each chromosome separate.
This results in four haploid daughter cells.
Meiosis is essential for sexual reproduction.
It ensures that the offspring have the correct number of chromosomes and that there is genetic diversity in the population.
A mother carries one allele of a recessive gene for a disease on an autosome, and the father carries no recessive alleles of the gene for that disease. What is the likelihood of their child having the disease?
A. 0%
B. 50%
C. 75%
D. 100%
What is the likelihood of their child having the disease is:
A. 0%
Explanation:
The mother is heterozygous, thus she has an allele which is recessive and the other allele which is dominant.The father has no recessive allele for the gene.During meiosis in mother , two types of gametes will be produced. One type of gamete will have the recessive allele and the other type of gametes will have dominant allele.During meiosis in father, only one type of gametes will be formed which will have the dominant allele only.In a situation a female gamete with recessive allele is fertilized by a male gamete with dominant allele. The resulting zygote will be heterozygous.The effect of the recessive allele will be masked by the dominant allele and the child will not have the disease.In a situation a female gamete with the dominant allele is fertilized by a male gamete with dominant allele then the resulting zygote will be homozygous for dominant allele and obvioiusly the individual will not have the disease.Thus, in this case we can conclude that there is 0% chance of child having the disease.Ethyl alcohol and carbon dioxide are the end products of
A.
Krebs cycle
B.
Electron transport chain
C.
Alcoholic fermentation
Answer:
The correct option is C) Alcoholic fermentation
Explanation:
A biochemical process by which sugars can be converted into carbon dioxide and ethanol are termed as alcoholic fermentation. This type of fermentation occurs in the absence of oxygen and hence is termed as anaerobic respiration. Yeast cells are the example of species in which the process of alcohol fermentation occurs. Alcohol fermentation is used for alcohol and ethanol fuel production in the industry.
Answer:
Alcoholic fermentation
Explanation:
Alcoholic fermentation is carried out by yeasts and some moulds. In the process glucose is broken down to two molecules of ethyl alcohol and carbon dioxide. Only two molecules of ATP are formed when a molecule of glucose is broken through this pathway.
C6H12O6 → 2CO2 + 2C2H5OH + 210kJ
relate the cause and effect how does crossing-over increase variation in genes?
Answer:
Genetic variation is increased by meiosis
Recombination or crossing over occurs during prophase I. Homologous chromosomes – 1 inherited from each parent – pair along their lengths, gene by gene. Breaks occur along the chromosomes, and they rejoin, trading some of their genes.
Explanation:
An animal that regulates its body temperature by producing heat within its own tissues is a _______
Answer:
An endotherm is an animal that regulates its own body temperature, typically by keeping it at a constant level. To regulate body temperature, an organism may need to prevent heat gains in arid environments.
Explanation:
Answer:
a dog
Explanation:
hope it help a little bit
Which of the following changes would most likely reduce the rate at which a resource is consumed?
A.increased population
B.increased desire for the resource
C. Decreased population
D. Decrease cost of harvesting the resource
Decreased population will decrease the rate at which resource is consumed.
Option C.
Explanation:Rate of resource utilization depends on the demand for resources among a population. The demand increases with the increase in population who actually uses the resource to increase their comfort.
With the increase in population and increased desire for resources, the rate of consumption of resources is increased. Decreased cost of harvesting the resources will led to wastage of resources, which will again increase the demand again.
So, decrease in population will only decrease the demand for resources. This will actually decrease the rate for the resource harvesting.
Final answer:
The most likely way to reduce resource consumption is through a decreased population, which lowers the demand for various resources and alleviates pressure on the environment.
Explanation:
The option most likely to reduce the rate at which a resource is consumed is C. Decreased population. A decreased population generally leads to lower resource requirements, less habitat destruction, and reduced pressure on both renewable and non-renewable resources. Conversely, an increased population often results in greater demand for land, water, food, and energy, which can increase the rate of resource consumption and lead to environmental degradation. In contrast, a decreased cost of harvesting resources, increased desire for the resource, and increased population would all typically increase consumption rates. It is important to consider strategies for sustainable resource use, such as using technology to improve efficiency, changing consumption behaviors, and ensuring fair distribution of resources to prevent overconsumption and potential population crashes due to resource depletion.
2 Points
Which of the following shows methods of harvesting corn in order from the
lowest rate of resource consumption to the highest?
A. Picked and sorted by hand hand-picked and sorted by a simple
machine picked and sorted by complex machinery
O
B. Picked and sorted by hand picked and sorted by complex
machinery hand-picked and sorted by a simple machine
O
C. Hand-picked and sorted by a simple machine → picked and sorted
by hand picked and sorted by complex machinery
O
D. Picked and sorted by complex machinery — hand-picked and
sorted by a simple machine → picked and sorted by hand
Answer:
The correct option is A) Picked and sorted by hand, hand-picked and sorted by a simple machine picked and sorted by complex machinery
Explanation:
Option A is correct because the first method is to pick ans sort by using the hands only which will be the lowest resource consumption as only hands are being used. The second method illustrates using hands for picking ans simple machinery for sorting. As simple machinery is being used hence this method uses more resources than the first one. The third method described using complex machinery for both picking and sorting, which will use the highest resources.
Answer: D. I just took it
Explanation:
what is the end, and the end of the beginning
Answer:
Winston Churchill Quotes
Now this is not the end. It is not even the beginning of the end. But it is, perhaps, the end of the beginning.
Explanation:
The end in literature and storytelling marks the conclusion of the narrative or the resolution of the conflict. The end of the beginning signifies the conclusion of the opening phase and the transition into the main events or plot development.
Explanation:The question seems to be asking about the concept of 'the end' and 'the end of the beginning.' In literature and storytelling, the end is the culmination of the narrative or the resolution of the conflict. It is the moment that concludes the journey or experience. The end of the beginning refers to the conclusion of the opening phase or introduction, marking the transition into the main events or development of the plot.
Which of the following is released by a plant following photosynthesis?
A.
oxygen
B.
nitrogen
C.
carbon dioxide
D.
water
oxygen is released in photosynthesis
Answer:
A. Oxygen
Explanation:
plant release oxygen as a by-product of photosynthesis.
Which is an example of homeostasis?
A. a snake slithering onto a sunny rock on a cool day
B. a plant undergoing photosynthesis
C. a dog giving birth to puppies
D. a butterfly emerging from its chrysalis
A plant undergoing photosynthesiss is the correct option. thus option A is correct.
What is homeostasis?Chemical signaling occurs in the endocrine system, which is accomplished through the secretion of hormone-like molecules into the extracellular fluid. They bind to chemical receptors in target cells to create specific changes in the body's internal environment, which is referred to as homeostasis.
Photosynthesis helps plants maintain homeostasis by making glucose, which it can use to make energy for other processes or to incorporate in cellular energy.
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People have cut down forests to clear land for crops, cattle, roads, and cities. These trees are also used for fuel, building material, and paper. The loss of forests have had the following effects (choose all that apply):
A. Causes many species to lose their habitats and food sources, resulting in many becoming extinct or endangered.
B. Creates erosion. The roots of plants hold soil in place to prevent erosion and absorb rainwater, preventing flooding.
C. Creates pollution with the use of DDT, which is a fertilizer that impacts the health of many organisms in the area.
D. Contributes to global warming. The abundant plant life in forests takes in carbon dioxide and stores the carbon as a source of energy. Without forests, the carbon that would have been stored in the trees exists as carbon dioxide and contributes to global warming.
Deforestation leads to habitat loss and species endangerment, soil erosion with subsequent land degradation, and contributes to global warming by reducing the number of trees that absorb carbon dioxide.
The loss of forests has multiple negative effects on the environment, impacting local ecosystems and the planet as a whole. These are some of the primary concerns associated with deforestation:
A. Habitat and species loss: Many species lose their habitats and food sources due to deforestation, leading to extinction or endangerment.B. Soil erosion: The roots of plants, especially trees, are essential for anchoring soil. Without them, soil erosion occurs, which can lead to reduced land fertility, landslides, and flooding.D. Climate change: Forests play a key role in regulating the Earth's climate by absorbing carbon dioxide. When forests are cut down, more carbon dioxide remains in the atmosphere, exacerbating global warming.Although option C mentions DDT, a chemical compound, it is not a direct result of deforestation, but rather an issue related to agricultural practices that may follow deforestation. Therefore, the effects directly related to deforestation are A, B, and D.
7. Science is to pseudopsychology as
is to
Answer:
psychology; astrology
Explanation:
Science is to pseudopsychology as psychology is to astrology.
Science can be described as a vast field in which various aspects of nature are studied through experiments and observations. Whereas, pseudopsychology can be described as any psychological practice that is false or not supported by valid experiments.
Psychology is the understanding of the human mind by through valid experiments and observations. Astrology is a pseudoscience which focuses on human events related to positions of celestial objects.
W
A
1) Select the best answer.
There are over
different kinds of minerals on the Earth.
4,000
14,000
400
40,000
Answer:
The answer is 3,800 but if you want to estimate/round up it is 4,000 types of minerals on earth
Explanation:
In humans normal color vision dominates red green colorblindness. This is a sex linked trait, two parents produce daughters who are all carriers and sons who r normal. What are the possible genotypes of the parents? Plz explain
Answer:
Mother: XBXb
Father XBY
Explanation:
A sex linked trait is carried on the X chromosome. Lets denote the colorblindness allele as b and the normal allele as B.
For the father to be unaffected, he must not carry the trait, as he only has one X chromosome, so if he carries it, then he would be affected. That means the father's genotype must be XBY
If the sons are unaffected, that means they lack the trait on their only X chromosome. The X chromosome in boys must come from their mother (as the Y has to come from their father). Therefore, the son's genotype is XBY too.
The daughters are carriers (XBXb). This means their mother must carry the trait, as we know the father does not. However, the mother is also unaffected, so she must have only one colorblindness allele (heterozygous), therefore her genotype is XBXb.
When the daughters are carriers of red-green colorblindness and the sons have normal vision, the mother's genotype would be XcX (a carrier of the trait) and the father's genotype would be XY (normal vision). This can only occur with sex-linked traits, specifically x-linked traits.
Explanation:The question is asking about the genotypes of the parents when their daughters are carriers and their sons have normal vision for the sex-linked trait of red-green colorblindness. In violation of this scenario, the mother would unavoidably be a carrier of the recessive allele for colorblindness represented as Xc, and the father would possess normal vision, given as XY. Therefore, the mother's genotype would be XcX and the father's genotype would be XY.
Here's why: Sex-linked traits are carried on the X chromosome. Since males are XY, they express the trait that's on their single X chromosome. Females, who are XX, will express a recessive X-linked trait only if they have two copies of the allele. Female carriers, conversely, have one dominant (normal) allele and one recessive (colorblind) allele.
When a carrier female (XcX) and a normal male (XY) mate, there's a 50% chance that a daughter will be a carrier (getting the Xc from mom and X from dad) and a 50% probability that a son will inherit normal vision (getting the X from mom and Y from dad). This scenario matches the situation described in the question where all daughters are carriers (XcX) and all sons have normal vision (XY).
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attached earlobes are a recessive trait in humans. in the tree below, people with attached earlobes are shaded in. which best describes the person labeled X in the tree?
A) a male with one recessive allele
B) a female with no recessive alleles
C) a female with one recessive allele
D) a male with no recessive alleles
Answer:
The correct option is A) a male with one recessive allele
Explanation:
As we can depict, the offsprings are formed by a cross between a homozygous recessive parent and a heterozygous parent.
The outcomes of such a cross will be:
r r
R Rr Rr
r rr rr
The results from the cross show that the offsprings from such a cross will either have both recessive alleles and will have attached earlobes or they will be heterozygous dominant having unattached ear lobes.
As we can see from the pedigree, the person labelled X is not shaded hence it cannot carry the alleles rr. So, the person is heterozygous carrying one dominant and one recessive allele.
Answer:
He's right its A
Explanation:
3. Determine which would have fewer protein and DNA base
sequence differences with humans-chimpanzees or cows.
Answer:
Chimpanzees
Explanation:
Chimpanzees are much more closely related to humans in an evolutionary sense that cows are. Chimpanzees and humans are both primates, characterized by features like advanced cognition, grasping hands and feet, and front facing eyes. In contrast, cows belong to a different of bovine animals.
Because we are evolutionary more related to chimpanzees, that means our DNA has undergone less change over evolutionary time. That means that the sequence will be more similar to chimps
The punnet square below represents the result of the cross between two tall pea plants.
T t
T TT Tt
T TT Tt T = tall height
t = short height
part a: identify the genotype course & phenotypic ratios of the offspring.
part b: identify two offspring from the punnet square that could produce short pea plants if they were crossed. explain your answer.
Answer
Part a
50% TT, 50% Tt, 100% tall
Part b
Tt x Tt
Explanation:
Part a
The cross is between a homozygous tall pea plant (TT) and a heterozygous tall pea plant (Tt). This produces 2 genotypes at a ratio of 1:1 TT, and Tt. In other words, 50% TT and 50% Tt. These are the same as the parental genotypes, and it means that 100% of the offspring will be tall. (as T (tall) is the dominant allele.
Part b
A cross between the two heterozygous plants would give the following punnett square:
T t
T TT Tt
t Tt tt
The genotype ratios are 1 TT: 2 Tt: 1 tt, in other words, 25% TT, 50% Tt, and 25% tt. The resulting phenotypes would therefore be 3 tall (TT + Tt): 1 short (tt), or 75% tall, 25% short. This therefore produces some short plants, at a ratio of 25%.
Suppose that Louisa is cut by broken glass during a lab accident. Which is the proper place to dispose of the paper towels that are used to clean up the blood?
Answer:
hazardous waste container
Explanation:
In a lab, hazardous waste container contains all the waste which can be dangerous or infectious. Hence, it should be properly handled and disposed of. Due to the cut in the lab, the blood of Lousia might contain infectious microorganisms. Hence, after cleaning the blood with paper towels, the paper towels should be discarded in the hazardous waste container as the paper towel might contain hazardous microorganisms.
what is mRNA?
WILL GIVE BRAINLIEST!!!
A. a DNA strand that cannot be transcribed
B. an RNA copy of a DNA gene
C. a DNA sequence at the start of a gene
D. an RNA segment that does not code for proteins
mRNA is:
B. an RNA copy of a DNA gene
Hope this helps!
Answer:
B. An RNA copy of a DNA gene
The Golgi complex in a cell interacts with?
Answer:
It should be A
Explanation:
The Golgi apparatus is made up of stacks of membrane sacs. Transport vesicles, carrying proteins from the endoplasmic reticulum, enter the Golgi apparatus to be modified and stored. Eventually, these proteins are sent on to their final destinations inside or outside of the cell.
The movement of water molecules through the environment is known as the
Answer:
osmosis
Explanation:
Movement of a solvent (such as water) through a semipermeable membrane (as of a living cell) into a solution of higher solute concentration that tends to equalize the concentrations of solute on the two sides of the membrane.
Use your knowledge of Mendelian genetics to write a hypothesis that answers the lab questions, “what is the effect of the genes of the parental mice on the fur color of the offspring mice?” Be sure to use the “if ... then ... “ format.
Answer:
If the first generation exhibits a ratio of 3:1 in regard to gray fur, the allele for gray color is dominant over the allele of white color.
Explanation:
Hypothesis:
If the first generation of the offspring from heterozygous mice exhibits a ratio of 3:1 in regard to gray fur, the allele for gray color is dominant (G) over the allele of white color (w).
According to Mendel's theories, some alleles can be dominant over the others. In this scenario, gray fur color is dominant (G) over the white fur color (w). The dominant allele is always shown by a capital letter, while the recessive allele is shown by a low-case letter.
Therefore, if we are performing an experiment with heterozygous mice, we can expect the offspring to exhibit a 3:1 ratio, which means that 1/3 of the offspring would have a white fur color (recessive), while 3/1 will exhibit gray fur color (dominant).
G w (heterozygous male)
G GG Gw
w Gw ww
(heterozygous female)
GG: Gray
Gw: Gray
Gw: Gray
ww: White
Answer:
If either parent mouse passes a dominant allele, the offspring will have black fur.
Explanation:
I just took the lab
JUIN HYUNCU
VORSES
Attempt 1 of 5
Which of the following is the correct meaning of transpiration?
the absorption of water through the stomata
the mixing of carbon dioxide and water through in the stomata
the evaporation of water through the stomata
the loss of carbon dioxide through the stomata
Answer:
Option C.
The correct meaning of transpiration is the evaporation of water through the stomata.
Explanation:
In simple words transpiration is defined as the process of loosing of water from plant through somata as water vapor into the environment.Transpiration occurs from the small pores of roots, stem, flowers and leaf through which water vapor from plant is exhaled, evaporated and mixed in the atmosphere.97–99.5% of water in plant is lost through the continuous process of guttation and transpiration.When created an mRNA, a cell matched a T with a G. This led to a different amino
acid being added during translation. When this happens, what is it called?
accurate base pairing
mutation
transformation
differentiation