There are several ways;
The Skeletal system protects for example the heart and several aspects of large vasculature. The skeleton also has the means to produce blood cells in the marrow of some of the bones.
Plants get their energy from the sun using Photosynthesis and animals get it from eating food.
Answer:
im very sure the answer is C)Letter C because the emergence of a mature forest will resist changes to the ecosystem with the greatest success.
Explanation:
Answer:
Commensalism
Explanation:
Commensalism is when one organism is helped while the other is neutral (neither hurt nor helped). Example: clownfish and anemone.