Natural variation provided the phenotypes that natural selection then acted on, over time causing evolution
Answer:
Cytoplasm
Explanation:
Cytoplasm is kind of like cell blood. Cell membrane is cell skin, I've legit never heard of a cell skeleton in my life and centrioles are RNA processors.
Answer: If the temperature increases, then the activity of the lions decreases.
Answer;
No, the petal is not alive according to the characteristics of life
Explanation;
-This is because the flower petal on it's own can not Grow, or Reproduce, Adapt to it's Environment, Use Energy, or Respond to it's Environment.
-Growth, reproduction, response, and respiration are some of the characteristics of living organisms, therefore for anything to be considered living it must possess these characteristics.