Natural variation provided the phenotypes that natural selection then acted on, over time causing evolution
Answer:
Symbiosis is a close relationship between two species in which at least one species benefits.
Explanation:
The answer is D.
The longer life expectancy
Hope this helps :)
Answer:
Muscles can also receive messages from the brain when the body temperature decreases. They respond by shivering. Shivering causes the muscles to contract and relax quickly. This process generates heat.
Answer 1)
Not 2 bc they don’t come from the soil, they are made by plants through photosynthesis.
Not 3 bc I’m pretty sure sugar is not the only source of food for plants.
Not 4, I’m not exactly sure why not 4, but my gut is saying 1.
Sorry the explanation is not super helpful.