Answer:
Variation traits and natural selection.
Explanation:
Darwin stated that all species of organisms arise and develop through natural selection and inheritance of variations
In natural selection, survival was for the fittest. In order for an organism to survive . It had to develop new traits to adapt to its environment .
The variation increases its ability to compete, survive and reproduce. Through reproduction the desires trait is passed down making the organism to be considered fit.
The answer to this question is 6g.
False. Prokaryotes dont have a nucleus but a similar structure called a nucleoid. Only eukaryotes have a nucleus and other membrane bound organelles.
Answer no 1:
The correct option is B) Parasitism benefits only one organism, while mutualism benefits both organisms.
Explanation:
A symbiotic relationship can be described as a type of interaction among different organisms living in an area. Some organisms might benefit from this relationship, others might not be affected while some might be harmed.
A symbiotic relationship in which one organisms gains benefit while the other gets harmed is called parasitism. For example, ticks that live on a cat.
A symbiotic relationship in which both organisms benefit from each other is termed as mutualism.
Answer No 2:
<em>The correct option is A) It is given off as heat.</em>
Explanation:
Not all of the energy is transferred from one trophic level to another when an organism consumes another organism from the trophic level below it. Scientists have calculated that only 10% of the energy gets transferred from the lower trophic level to the upper trophic level. Studies have shown that most of the energy is lost in the environment as heat and hence, only 10% of the energy gets transferred.
Answer:
A proteins coated with phospoholipids
Explanation:
Because proteins are large component and passing through a cell membrane that have large size is hard. But if you have similar quality with the cell membrane, it can pass through so that the pharmacy industry use this technique for hormones etc.
