Answer;
B. hyoid bone adapted for roaring
Explanation;
Many organisms are well adapted to their living and non living factors due to physiological, behavioral or structural adaptations which increases the organisms chances of survival and reproduction.
Behavioral adaptations are responses made by an organism that help it to reproduce or survive.Physiological adaptations are body processes that helps an organism to survive or reproduce Structural adaptations are features of an organism’s body that helps it to survive or reproduceIn our case, Lion has many adaptations that help it survive and help it catch its prey, these include, group hunting, camouflage and keen eye sight, however, presence of hyoid bone adapted for roaring does not help it in catching its prey.
Which of the following is not a mechanism for biological evolution
Endoplasmic Reticulum?
1. Which of the following is NOT a true statement about ATP?
A. ATP consists of ribose, adenine, and three phosphate groups.
B. ADP is produced when ATP releases energy.
C. ATP provides energy for the mechanical functions of cells.
D. Used ATP is discarded by the cell as waste.
Which organism's are omnivores?
A) The snake, the bear, and the fish
B) The fish and the eagle
C) The bear and the fish
D) The snake and the mouse
If an omnivore is an animal that eats both plants and animals, I'd choose D because all the other options have fish in them. Fish basically eat other fishes right?
Or am I wrong in my thinking?
Answer:
Its C) because bears are omnivores they eat plants and animals a bear eats berrys and fishes.
Explanation:
Two or more sudstances that are mixed together but not chemically combined
Mendel studied pea plants for particular traits. When observing the results of his experiments, he created two laws of inheritance. How is a scientific law formed?
on e2020:
A law is a statement of fact that is generally excepted to be true and universal because it has always been observed to be true.
Which of the following releases energy?
1. Nutrients entering a cell through the cell membrane
2. Adding an additional phosphate group to an ADP molecule
3. Building sugar or starch molecules for long-term energy storage
4. Removing a phosphate group from an ATP molecule
...?
Perfect flowers have both male and female parts. The male part is called the _____ and the female part is called the _____.
If only a mother has achondroplasia, what are the chances a child will also have the condition?
Which is the main function of fruit?
To protect the seed and aid in its dispersal
To protect the flower and aid in pollination
To protect the seed and aid in germination
Answer: To protect the seed and aid in its dispersal
Fruit is a plant organ that is a characteristic feature of all the angiosperm plants. It is produced by the pollination and fertilization of the flower. The fruits comes in variety of shape, size and color. They are the products of fertilized ovary and other floral parts. Fruits can be fleshy or dry. Main function of the fruit is to provide a space of the growth and development of seeds until maturity. In maturity the fruit disperse seeds which germinate to grow into new plants.
5. Why are ecological pyramids shaped as pyramids? (1 point)
because there is a large decrease in the amount of energy or biomass as you move from one trophic level up to the next
because the movement of energy through the biosphere follows a path similar in shape to a pyramid
because decomposers form a wide base of support at the bottom of a food web similar to the base of a pyramid
because a pyramid represents a stable building form that is similar to the structure of a stable ecosystem
6. What is true of matter in ecosystems? (1 point)
Nonliving things are essential for carrying out the chemical transformation of certain elements so that living things can use them.
Living things can recycle elements within an ecosystem as long as decomposers are present.
Matter flows in a one-way direction with a 10% loss at each move up in trophic level.
Elements continuously cycle between the physical environment and living organisms.
7. Which of the following is a food chain in the food web shown in Figure 3–4?
(1 point)
tree, rabbit, hawk, snake
grass, grasshopper, snake, hawk
grass, caterpillar, robin, hawk
tree, deer, mountain lion, fox
Organisms from the higher trophic levels consume organisms from the lower trophic levels. During this process, energy is lost as metabolic heat. Primary producers on the first trophic level contain the greatest amount of energy originally from the sunlight. The next trophic level belongs to primary consumers that consume primary producers which result in less energy. Similarly, secondary consumers eat primary consumers, and energy is lost again. The highest trophic level is tertiary consumers and they contain the least amount of energy.
Q6. The answer is Elements continuously cycle between the physical environment and living organisms.
Biogeochemical cycles are pathways by which chemical substances move through biosphere and geosphere (lithosphere), as well as atmosphere and hydrosphere. In these cycles elements are recycled, they are not lost. They continuously cycle between the physical environment and living organisms.
Q7. The answer is grass, grasshopper, snake, hawk.
Figure 3-4 is not attached, however, the logic food web among all choices wood be: grass, grasshopper, snake, hawk.
Grass belong to the producents. Grasshopper is a primary consumer and it eats producent grass. Snake, as a secondary consumer, eats the primary consumer grasshopper. A terciary consumer hawk eats the secondary consumer snake.
Why is the ability to adjust conclusions when necessary important to critical thinking?
Renald completed only one trial of his experiment. What effect will this most likely have?
The results are more likely to have errors.
The results are more likely to be precise.
The experiment will be harder to replicate.
The experiment will be easier to replicate.
Answer: The results are more likely to have errors.
Explanation:
An experimental process requires the repetition of a particular step during recording the observations. This process of repetition will allow the development of concordant readings. The similarities in the values of atleast three readings will suggest that the methodology applied is correct and results are accurate and precise. Accepting only one observation to include in the result will lead to inclusion of errors.
Renald completed only one trial of his experiment this will lead to the inclusion of the incorrect observation will likely to include errors in the results.
Sediment composition in a clastic rock is determined by all of the following EXCEPT:
A. Source rock crystals
B. Transport agent
C. Source rock composition
D. The type of plant that grew near a river
why mitochondria called power house of cell? ...?
What part of translation depends on the base-pairing rules?
what is most likely happening to the genetic variation of the population of North East Arctic Cod? The genetic variation in the population is increasing due to selective pressure. The genetic variation in the population is decreasing due to selective pressure. The genetic variation in the population is increasing due to gene flow. The genetic variation in the population is decreasing due to gene flow.
The correct answer is genetic variation in the population is decreasing due to selective pressure.
A phenomenon that changes the fitness and behavior of the living species within a given environment is known as selective pressure. It is the mediating force of natural selection and evolution, and it can be differentiated into two kinds of pressure, that is, abiotic or biotic.
In order for a human female to express a recessive sex-linked trait, she must have....
A) two recessive alleles
B) an inactive allele
C) a recessive allele on a Y chromosome
D) two recessive autosomal alleles
explain the basic structure of a virus and how it replicates
Final answer:
Viruses are composed of genetic material encased in a protein capsid, sometimes with an envelope with glycoproteins for host cell attachment. Viruses replicate by invading host cells and utilizing their machinery through a series of steps, culminating in the production of new virions. The replication cycles, lytic and lysogenic, are characterized by the specific structure and genome of the virus.
Explanation:
Basic Structure of a Virus
The fundamental structure of a virus consists of genetic material, which is either DNA or RNA, enclosed within a protein shell known as a capsid. Some viruses also possess an additional lipid layer called an envelope, which often includes glycoproteins that help the virus to attach to host cells.
How Viruses Replicate
Viruses replicate by invading and hijacking a host cell's machinery. The process unfolds through several stages: attachment, where the virus binds to the cell; penetration, enabling the viral genetic material to enter; uncoating, which releases the genetic material; replication, where the host cell synthesizes new viral genomes and proteins; assembly, in which new virus particles are put together; and finally, release, where the new virions exit the host cell, often destroying it in the process. Retroviruses, like HIV, use reverse transcriptase to convert RNA into DNA to insert into the host genome.
Classification and Replication Cycles
Viruses are categorized by their replication cycles, the lytic and lysogenic cycles, which depend on their structure and genome. These cycles describe the processes of how viruses produce new particles that can then infect additional cells.
Which scientist’s law about the ratios of masses of elements in a compound did John Dalton’s work on the atomic structure help to explain?
Democritus
J. J. Thomson
Ernest Rutherford
Joseph Proust
the correct answwer to this question is D Joseph Proust
compare primary consumer vs. secondary consumer
Primary consumers are herbivores that directly eat primary producers like plants, while secondary consumers are carnivores that feed on primary consumers. Humans can act as primary, secondary, or even tertiary consumers depending on what they eat. The energy flow in ecosystems starts with primary producers and moves up through various consumer levels, with decomposers recycling nutrients from all trophic levels.
Explanation:In ecosystems, the organisms at the base of the food chain are often photosynthetic, such as plants or phytoplankton, and are referred to as primary producers. The primary consumers are usually herbivores that feed directly on these producers. On the other hand, secondary consumers are typically carnivores that eat the primary consumers, obtaining energy from the food chain's second trophic level.
Humans can serve as an example of how consumers can operate at different trophic levels: they are primary consumers when they eat vegetables (primary producers), secondary consumers when they eat herbivorous animals like cows, and even tertiary consumers when consuming carnivorous animals such as salmon.
Primary producers use processes like photosynthesis or chemosynthesis to convert light or chemical energy into food, and consumers obtain energy by feeding on these producers or subsequent consumers. Decomposers, which include small microorganisms, play a different role by consuming materials from all trophic levels after death, whereas tertiary consumers feed only on live secondary consumers.
How long did it take for the population to double a third time?
Deconstructive forces such as erosion helps to build up the Earth’s surface.
True or False
Answer:true
Explanation:
ERosion is the process in which the top layer of soil get removed. It involves the loosening of soil from earth’s surface at one location and moved to another location. It causes the filling of valleys, and make rivers appear and disappear as the soil moves from one location to another in the process of erosion.
The first of the two undeniable facts is that any localized population of a species has the potential to produce far more offspring than the local environment can support. this fact is important to understanding evolution because it means that __________.
What term is used to describe a representation of a thing or system and can be used as a way to test hypotheses
Which of the following statements does not describe a problem with modern landfills? A. Materials buried in landfills decompose in three years. B. Chemicals leaking out of the waste stored there may pollute wells or groundwater supplies. C. Explosive gases can be produced by landfills and may build up in basements of nearby buildings. D. It takes a lot of space to contain the amount of garbage produced by households.
The statement that wrongly describes the problem with modern landfills is ;
It takes a lot of space to contain the amount of garbage produced by households. ( D )Landfills are built mostly for the storage of industrial and household wastes, which might be harmful to the environment if not properly disposed or left to litter the environment.
when Industrial wastes are disposed in landfills there is the danger of having chemicals leak into ground water thereby leading to water contamination. which is a problem with modern day landfills.
Landfills are usually existing pits, which are controlled by waste management agencies. and therefore do require much land mass but depth to contain the amount of wastes stored in them.
Hence we can conclude that The statement that wrongly describes the problem with modern landfills is , It takes a lot of space to contain the amount of garbage produced by households.
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A candle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax?
Answer: A low melting point.
Covalent compounds are formed by sharing of electrons between atoms of different elements. The bonds formed between these covalent compounds are generally weak therefore, they exhibit low melting point. Candle is made up of covalent compounds having low melting point which facilitates it's burning.
Answer:
(B) low melting point
Explanation:
What is the function of the organelle identified as #6 in the picture (it is mostly brown, folded over, and is in the lower right part of the cell)?
D) Packages proteins for transport out of the cell
The Golgi apparatus modifies proteins and lipids that were synthesized in the endoplasmic reticulum (ER). This includes the addition of carbohydrate groups (glycosylation), phosphate groups (phosphorylation), and other modifications. It processes and sorts these molecules to prepare them for their final destinations.
The Golgi apparatus also sorts modified proteins and lipids and packages them into vesicles. These vesicles are then transported to their specific destinations within or outside the cell.
Complete Question:
What is the function of the organelle identified as #6 in the picture (it is mostly brown, folded over, and is in the lower right part of the cell)?
A) movement
B) houses the cells DNA
C) house the digestive enzyme
D) packages proteins for transport out of the cell
Use the Law of Syllogism to draw a conclusion from the two given statements.
If you exercise regularly, then you have a healthy body.
If you have a healthy body, then you have more energy.
You have more energy.
If you do not have more energy, then you do not exercise regularly.
If you exercise regularly, then you have more energy.
You have a healthy body.
...?
Answer:
the third option is the correct answer
Alexander was studying the affect of playing rock music on plant growth. One of the plants was exposed to rock music for 24 hours a day for a period of 6 weeks. Data on the growth of the plant was collected at the end of each week and plotted in a graph, time in weeks on the X-axis and height in decimeters on the Y-axis. Based on the data, which would be the MOST reasonable measurement at the end of a 8 week period?
A) 2 decimeters
B) 6 decimeters
C) 8 decimeters
D) 16 decimeters
Answer:
Option C.
Explanation:
If a line passes through two points [tex](x_1,y_1)[/tex] and [tex](x_2,y_2)[/tex], then the equation of line is
[tex]y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)[/tex]
From the given graph it is clear that the line passes through the point s(0,0) and (1,1). So, the equation of trend line is
[tex]y-0=\frac{1-0}{1-0}(x-0)[/tex]
[tex]y=x[/tex]
Substitute x=8 in the above equation to find the MOST reasonable measurement at the end of a 8 week period.
[tex]y=(8)[/tex]
[tex]y=8[/tex]
The MOST reasonable measurement at the end of a 8 week period is 8 decimeters.
Therefore, the correct option is C.