Answers
Answer:
The answer is A
Explanation:
The best and most correct answer among the choices provided by the question is A.) 100%. Hope this helps :)
Related Questions
PLEASE HELP!!!!!!! ASAP!!!!!!!!
Kangaroo rats live in grasslands and do not drink water. They get water from eating seeds. Based on this, what is a limiting factor for kangaroo rats?
a. grass
b. fur
c. salt
d. seeds
Answers
Answer:
D) Seeds
Explanation:
With the given knowledge of the organism eating seeds and nuts, living in burrows, the availability of water dense food and having to not drink any water, this organism is adapted to live in arid and semiarid area, such as deserts, rocky areas, grasslands and scrublands.
Kangaroo rats live in grasslands and do not drink water. The limiting factor for kangaroo rats would be seeded. While they are able to obtain water from seeds, the availability of seeds may limit their population growth and survival. Hence option D is correct.
What are grasslands?Grasslands, also known as prairies, are areas of land that are dominated by grasses, with few trees or shrubs. They are found on every continent except for Antarctica and are typically located in the interior regions of continents, away from the moderating effects of oceans.
Grasslands can vary in size from small patches to vast expanses that stretch for thousands of miles. They are home to a diverse array of plant and animal species, many of which are adapted to the unique conditions found in grassland environments.
If the population of plants producing the seeds were to decline, it could lead to a decline in the population of kangaroo rats as well.
Hence option D is correct.
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The diagram below represents the time a cell spends in the two main phases of
the cell cycle. In which phase does a cell spend less time?
Answers
Option D. The cell is dividing.
The two main phases are interphase and mitosis
As far as my knowledge goes, the yellow area is mitosis, and mitosis is a process of cell division that results in two new nuclei (each containing a complete copy of the parental chromosomes).
The cell cycle is a series of events that leads to the development of two daughter cells from a parent cell. The two main phases of the cell cycle are interphase and mitosis. Interphase is the longest phase of the cell, while mitosis takes much less time than interphase.
During the interphase cell prepares for division and replicates its DNA, while the mitotic phase involves actual cell division. During mitosis, division of the nucleus and cytoplasm takes place to form two daughter cells.
What are the cell cycle's 4 stages?The cell cycle is a four-stage process in which the cell increases in size (gap 1, or G1, stage), copies its DNA (synthesis, or S, stage), prepares to divide (gap 2, or G2, stage), and divides (mitosis, or M, stage). The stages G1, S, and G2 make up the interphase, which accounts for the span between cell divisions.
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What are the methods of heat transfer? Check all that apply.
absorption
conduction
convection
radiation
reflection
Answers
Answer:
conduction
convection
radiation
Answer: conduction
convection
radiation
Explanation:
Heat is a form of energy which is called as thermal energy. The heat is transferred from one body to another or from one medium to another by three methods:
The three methods includes the conduction, convection and radiation. The conduction
Conduction: This involves the transfer of heat through direct contact of the solid bodies. The heat travels from a warmer entity or body to the colder entity or body.
Convection: This involves the transfer of heat when the warmer areas of a typical liquid or gas moves to the cooler areas of the liquid or gas.
Radiation: This involves the transfer of the heat energy through electromagnetic radiations like ultraviolet and infrared.
A key difference between green algae and land-based plants is that
A. land-based plants don't have vascular tissue and must absorb nutrients directly from the environment.
B. green algae don't have chloroplasts and absorb their food rather that perform photosynthesis.
C. green algae don't have vascular tissue and must absorb nutrients directly from the environment.
D. land-based plants breath in carbon dioxide while green algae consume oxygen.
Answers
Green algae(or any other type of algae such as red algae, brown algae etc.) don’t have vascular tissue.
Answer:
C. green algae don't have vascular tissue and must absorb nutrients directly from the environment.
Explanation:
Green algae are avascular organisms and lack the vascular tissues, that is they do not have xylem and phloem. They have a simple thalloid body and absorb nutrients from surroundings. On the other hand, the land-based plants have vascular tissues to transport food, water, and minerals from one plant part to the others.
Approximately when did the first plant and arthropods appear on land
Answers
Answer:
470 million years ago
Explanation:
Both the plants and the arthropods initially developed and lived in water. As the atmosphere was changing though, they gradually started to develop for life on land, which eventually gave birth tot he first plants and arthropods that were fully terrestrial. The first plants on land occur around 470 million years ago in the fossil records, while the first arthropods around 450 million years ago, though the genetic analyses have shown that they were present on land around 20 million years earlier. The first terrestrial plants were small, simple, and had small and not well developed roots. The first arthropods though, the millipedes, centipedes, and scorpions, were almost identical to the ones we have in the present, being well developed and adapted for terrestrial life.
Answer:
444 Ma
Explanation:
Biology is the study of ___
Answers
Answer:
Biology is the study of life (the structure, function, growth, origin, evolution and distribution of living organisms).
Explanation:
How is coal obtained to use for energy?
Answers
It is mined then crushed into powder so it burns quicker. The heat is used for energy.
Answer:
Coal can be extracted from the earth either by surface mining or underground mining. Once coal has been extracted, it can be used directly (for heating and industrial processes) or to fuel power plants for electricity. If coal is less than 61 meters (200 feet) underground, it can be extracted through surface mining.
The law of____ suggests that the orbit of planets is not circular but___
Answers
Answer:
The law of ellipses suggest that the orbit of planets is not circular but elliptical.
Explanation:
Explained by the first of Kepler's three laws of planetary motion.
Answer:
Ellipses; elliptical
Explanation:
The Law of Ellipses is one of the three laws of planetary motion developed by scientist Johannes Kepler in the early 1600s. These three laws accurately describe how satellites move in outer space. The Law of Ellipses argues that the path of the planets is elliptical in shape, with the centre of the sun being located at one focus.
Which statement would least likely be used to describe variation?
Answers
Of the given statements, the one least likely to be used to describe variation is Variations that decrease reproductive success are more likely to be passed on.
Option B is correct
The fundamental principle of natural selection states that variations providing advantages in survival and reproduction are more likely to be passed on, influencing future generations. Also we can say, variations that decrease reproductive success would naturally be less likely to be passed on as they hinder the individual's ability to leave offspring.
Therefore, stating that variations with negative impacts are more likely to be passed on contradicts the basic principles of evolution and is unrealistic.
complete question:
Which statement would least likely be used to describe variation?
Variations are inherited differences between individuals of the same species.
Variations that decrease reproductive success are more likely to be passed on.
Variations may result in changes to an entire population after many generations.
Variations provide some individuals with an advantage.
this and return
Which of the following terms describes water that is safe to drink?
clean
filtered
potable
sterilized
Answers
Answer:
water that is safe to drink is clean
What is the difference between being a night person and a morning person
Answers
A night person is more active and awake at night whilst a morning person is the opposite.
Answer:
Night owls tend to stay up later at night (given the name) and it is harder for them to wake in the morning or early in the morning.
Explanation:
Which statement best describes lactic acid fermentation?
A. Lactic acid fermentation is the first step of cellular respiration.
O
B. Lactic acid fermentation is the final step of cellular respiration. .
RE
TO
BERATE
C. In the absence of oxygen, cells release ATP by breaking down
lactose into glucose.
E
DER
LADE
RES
O
D. In the absence of oxygen, cells release ATP by breaking down
glucose into lactate.
AR
Answers
Answer:
d. In the absence of oxygen, cells release ATP by breaking down
glucose into lactate is the correct answer.
Explanation:
lactic acid fermentation occur in the absence of oxygen, cells release ATP by breaking down glucose into lactic acid.
lactic acid fermentation is a process in which sugars example ( sucrose, fructose, and glucose) are converted into energy and lactate
when there is not sufficient oxygen available during physical activity and in that case, muscle produces lactic acid to provide energy during a physical workout by a process called lactic acid fermentation that generates ATP in the absence of oxygen and it provides energy to cells.
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Which answer correctly describes the difference between covalent and ionic bonds?
A.
ionic: transfer of electrons
covalent: transfer of protons
B.
ionic: sharing of electrons
covalent: transfer of electrons
C.
ionic: transfer of electrons
covalent: sharing of electrons
D.
ionic: transfer of protons
covalent: transfer of electrons
Answers
Answer: D.
ionic: transfer of electrons
The correct answer is C. the difference between covalent and ionic bonds is ionic: transfer of electrons; covalent: sharing of electrons.
Ionic bonds are formed when one atom donates an electron to another atom, resulting in the formation of a positively charged cation and a negatively charged anion. These oppositely charged ions are then attracted to each other by electrostatic forces, creating an ionic bond. This process involves the transfer of electrons from one atom to another.Covalent bonds, on the other hand, are formed when two atoms share one or more pairs of electrons. This sharing allows each atom to achieve a stable electron configuration. Unlike ionic bonds, electrons are not transferred from one atom to another; instead, they are shared between the atoms, creating a molecular bond.
How does a pond form?
Answers
Hello There!
-There are 2 possible ways that a pond could form-
The first way it could happen is because of erosion. Erosion is the movement of weathered materials. This includes gravel, soil, and sand. This is the reason why the Earth's surface is always changing.
The second way ponds could made is by a person. This is called man made because someone had to be able to build hem
Answer:
Ponds form when water begins to fill in a depression in the ground. ... As the plants decompose, layers of soil build up and the pond becomes shallower and shallower. As the pond becomes more shallow, the plants on the edge of the pond may begin to grow in the pond.
Explanation:
Observations of Cells in Stages of Cell Cycle
Sample: Number of Cells in Interphase Number of Cells in Prophase Number of Cells in Metaphase Number of Cells in Anaphase Number of Cells in Telophase
Sample A 6 15 4 7 8
Sample B 25 4 2 3 1
Sample C 4 9 5 3 6
You are observing different tissue samples and classifying the cells into their respective stage in the cell cycle. What can you conclude about Sample B based on these observations?
A) Sample B Is is most likely cancerous because most of the cells are in interphase.
B) Sample B is most likely cancer tissue because most cells are in some stage of mitosis.
C) Sample B is most likely a normal tissue sample because most of the cells are in interphase.
D) Sample B is most likely a normal tissue sample because most cells are in some stage of mitosis.
Answers
I think its D but I'm not sure
Answer: The Correct answer is
C) Sample B is most likely a normal tissues sample because most of the cells are in interphase.
Explanation:
Which of the following is an example of gene flow? A forest fire kills 50% of red-spotted chipmunks in a forest community. Pollen from a yellow daisy travels across a stream and pollinates an orange daisy. A bird with blue feathers is less camouflaged in the rainforest than a bird with green feathers. Mice with heavy coats are able to survive the winter better than mice with thin coats.
Answers
Answer:
Pollen from a yellow daisy travels across a stream and pollinates an orange daisy.
Explanation:
Gene flow refers to the movement of genes from one population to another population of the same kind.
From the alternatives given, Pollen movement from a yellow daisy across a stream to pollinate an orange daisy is an example of gene flow
Answer: Pollen from a yellow daisy travels across a stream and pollinates an orange daisy.
Explanation:
The gene flow can be define as the transfer of the genetic variation typically from one population to the other. If the rate of flow of gene is high enough, the two population in which the gene flow has occurred will become equivalent in allele frequencies and therefore will become the single population.
Pollen from a yellow daisy travels across a stream and pollinates an orange daisy. is the correct option, this is because of the fact that through pollen which is the male gamete the genetic variations are passing from one population to another population of the same species of daisy. Thus the allelic frequencies will become the equivalent in the two populations of the same species. Thus this will result in the formation of the single population.
through what structures does food pass as it moves through a frog's digestive tract
Answers
The frog catches its food using its tongue. After the food is pulled into the mouth of the frog it is crushed into small parts with its maxillary teeth and is swallowed into is pharynx.
What is the digestive system?The digestive system is made up of hollow organs that consist of the mouth, oesophagus, stomach, small intestine, large intestine and anus, sequentially.
The supplementary organs are the liver, pancreas and gall bladder.
Thus, this could be the answer.
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A scientist discovers a cell that has chloroplasts, cytoplasm, DNA, and a cell membrane. Which statement best describes how the cell could be classified
Answers
The cell would be classified as a plant cell. Animal cells have cytoplasm, DNA, a cell membrane, but do not contain chloroplasts. Those are only found in plant cells and some protists. Chloroplasts are used to convert light energy into sugars that the cell can use.
Answer:
D) The cell is eukaryotic because it has chloroplasts.
Which of the following is an advantage of minimizing pollution?
A. More fossil fuels, like gasoline, can be
burned.
B. It will stop nonnative species from entering
ecosystems.
C. Fewer harmful substances enter the
environment
D. It will prevent certain organisms from being
overhunted.
Answers
Which graph represents a nonlinear relationship?
Answers
Answer:option 4 on edgunity
Explanation:
What are the three domains of life? (Choose all that apply)
Answers
Answer:Archaea, Bacteria, and Eukarya
Explanation:
Answer: (D) on edge
Explanation:
Bacteria, Archaea, Eukarya
Which organism is not limited by size because of its structures and life cycle? firefly octopus tree frog orca
Answers
Answer:
The correct answer is an orca.
Explanation:
Have a nice day! :)
Orca organism is not limited by size because of its structures and life cycle. So, the correct option is D.
What is Life cycle?Life cycle is defined as the biological life cycle which is a series of changes that an organism undergoes which returns to the initial state. The concept is closely related to life history, development, and ontology, but differs from them in its emphasis on renewal.
A life cycle is also known as circle of life because animals and plants are born, grow into adults, reproduce and then die but their children then continue their life cycle where the pattern is repeated again and again. Repeats, sometimes for millions of years which shows the pattern as a circle helps us see how it repeats. Organism depends on life cycle along with structure due to limitation of its size such as firefly, octopus, etc,
Therefore, the correct option is D.
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difference between a theory and a law?
Answers
Answer:
Generally, laws describe what will happen in a given situation as demonstrable by a mathematical equation, whereas theories describe how the phenomenon happens.
cytokinesis in animal cells:
occurs after telophase
is accomplished by a ring of contractile fibers
works from the outside inward
all of these
Answers
Answer:
all of these
Explanation:
cytokinesis in animal cells:
occurs after telophase
is accomplished by a ring of contractile fibers
works from the outside inward
Page 38 #31
At Mountain Lakes High School, the mathematics and physics scores of nine shidents were
compared as shown in the table below,
Mathematics
Physics
55
66
93
89
8960
94 52
90
84
45
56
64
66
76
73
89
92
State the correlation coefficient to the nearest hundredth, for the line of best fit for these data
Answers
The correlation coefficient, represented by 'r', measures the degree to which two variables are linearly related. To determine the coefficient, you would typically use a statistical calculator or software to input the given mathematics and physics scores. Depending on the correlation coefficient value, this will indicate whether there is a positive, negative, or no linear relationship between the scores.
Explanation:The question appears to be asking for the correlation coefficient of the given mathematics and physics scores. The correlation coefficient, often denoted by r, quantifies the degree to which two variables are linearly related.
To determine this correlation, you would commonly use a statistical calculator or software to input the given scores and calculate the coefficient. As given data isn't enough to determine r directly, I can't provide the exact value of the correlation coefficient.
What does the correlation coefficient mean?A correlation coefficient of +1 indicates a perfect positive linear relationship between the two variables, a correlation coefficient of -1 shows a perfect negative linear relationship, and a correlation coefficient of 0 signifies that there is no linear relationship between the variables.
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The correlation coefficient for the line of best fit for the data in the image is 0.94. This means that there is a very strong positive correlation between the mathematics and physics scores of the students.
Here is a more detailed explanation of the correlation coefficient:
The correlation coefficient is a statistical measure of the strength and direction of the linear relationship between two variables.
It is calculated as the covariance of the two variables divided by the product of their standard deviations.
The correlation coefficient can range from -1 to 1, with a value of -1 indicating a perfect negative correlation, a value of 0 indicating no correlation, and a value of 1 indicating a perfect positive correlation.
A positive correlation coefficient indicates that the two variables tend to move in the same direction.
For example, if the correlation coefficient between two variables is 0.8, it means that when one variable increases by 1 unit, the other variable tends to increase by 0.8 units.
A negative correlation coefficient indicates that the two variables tend to move in opposite directions.
For example, if the correlation coefficient between two variables is -0.8, it means that when one variable increases by 1 unit, the other variable tends to decrease by 0.8 units.
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Which best describes red blood cells?
A. They are colorless
B. They protect against disease-carrying microorganisms
C. They transport oxygen throughout the body
D. They aid in blood clotting
Answers
Answer:
C. they transport oxygen throughout the body
Explanation:
it's because RBC contains pigment called haemoglobin and it's function is to carry oxygen
Which statement correctly compares the thicknesses of Earth’s layers?
Answers
Other statements are false like Earth’s mantle is thinner than its oceanic crust as Earth’s mantle is around 3k km while its oceanic crust is just 5km.
Also, Earth’s outer core is thicker than its mantle and Earth’s continental crust is thicker than its lithosphere is false as well.
Answer:
Option D, Earth’s lithosphere is thinner than its asthenosphere
Explanation:
The complete question is as follows -
Which statement correctly compares the thicknesses of Earth’s layers?
A. Earth’s mantle is thinner than its oceanic crust.
B. Earth’s outer core is thicker than its mantle.
C. Earth’s continental crust is thicker than its lithosphere.
D. Earth’s lithosphere is thinner than its asthenosphere.
Solution -
Oceanic crust and Continental crust are not the layers of earth. There are majorly three layers of earth crust – a) Core, b) Mantle and c) crust.
The core is further divided into inner core and outer core. Therefore, comparison between earth’s layers will be possible when the characteristic of three layers (physical, chemical etc.) are compared with each other. Lithosphere and asthenosphere form the part of crust and hence comparison between them can also be considered as comparison between layers of earth
Thus, option D is correct
Mammary glands are a shared characteristic among mammals and the oldest common ancestor of mammals. This is an example of a
A. phylogeny.
B. synapomorphy.
C. cladogram.
D. taxonomy.
Answers
A synapomorphy is a shared apomorphy that distinguishes a clade from other organisms.
A clade also known as monophyletic group, is a group of organisms that consists of a common ancestor and all its lineal descendants, and represents a single "branch" on the "tree of life".
This is an example of a B. synapomorphy.
What is the definition of Apomorphy and Syndrome?
: A characteristic or characteristic shared by two or more taxonomic groups and derived by evolution from a common ancestral form.
Cinapomorphi is a property (morphological, molecular, or behavioral) shared by taxon groups for inheritance from a common ancestor. Therefore, the co-derived trait is evidence of a hierarchical structure associated with historical connections.
For example, the presence of the mammary gland is a symplesiomorphy of mammals associated with tetrapods, but a symplesiomorphy of mammals associated with each other (eg rodents and primates).
Advanced character states are shared by two or more taxa. It is inherited from the latest common ancestor, and it is speculated that there is no such character in that ancestor, and it is derived by evolution.
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Which statement about DNA replication is true?
A. Eukaryotes only have one circular chromosome that unwinds at multiple locations.
B. Eukaryotes can only replicate one segment of a chromosome at a time.
C. Prokaryotes can only replicate their single circular chromosome in the nucleus.
D. Prokaryotes only have one origin of replication to initiate replication.
Answers
Answer:
D. Prokaryotes only have one origin of replication to initiate replication.
Explanation:
The DNA of prokaryotes is smaller than that of eukaryotes. So, prokaryotes have only one origin of replication. Origin of replication is the region of DNA where the process of DNA replication starts. The helicases recognize and bind to the origin of replication to start the melting of DNA double helix for replication.
DNA replication starts at the single origin of replication and stops at termination in prokaryotes.
Most of the major advances in marine biology have come in the last 200 years. What do you think are the reasons for this?
Answers
Marine biology involves the study of the behavior, and interaction of marine organisms. Marine biology advancements occurred in the last 200 years due to innovations and the development of new technologies.
What is marine biology?Marine biology is the branch of biology that is a field of study that deals with marine life, its behavior, interaction, community, and ecosystem. It includes the study of both biotic and abiotic factors.
Marine biology has seen major advances in the last 200 years as there has been an increase in the development of cutting-edge technologies and inventions that have made research in deep oceans easier.
The innovations of the new tools and machines have enabled the researchers to go deep into oceans and allowed them to conclude the experiment with various techniques and machines.
Therefore, the advancement in technologies has increased the research on oceans and seas.
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Major advances in marine biology are due to technological and scientific innovations, a shift in fisheries management towards conservation, and increased research funding. The influence of key historical figures also contributed to the development of the field.
The significant advancements in marine biology over the last 200 years can be attributed to several factors. One of the key reasons is the integration of technology and engineering into biological studies, which has revolutionized research processes and outcomes in marine ecosystems. Furthermore, as a response to the marked declines in fish populations and shifts in marine food webs over the past half-century, there has been an evolution in fisheries science and management, transitioning from purely commercial exploitation towards a more holistic, conservation-focused approach.
Advancements in bioinformatics and methodological techniques, largely driven by the biomedical field, have also made a considerable impact on marine biology. There is now a heightened awareness and respect for the complex and rich biodiversity in our oceans, which is catalyzed by the development of high-tech equipment and increased funding for studies exploring marine biodiversity, such as animal-microbiome interactions. This is complemented by the recognition that marine animals offer valuable models for studying resilience and adaptations in changing oceanic conditions.