to be honest im not for sure because you don't have any answer choices
Answer:
7.false 8.commensalism 9.last one
Explanation:
Answer:
cell membrane
Explanation:
Cell membranes are composed primarily of fatty-acid-based lipids and proteins. Membrane lipids are principally of two types, phospholipids and sterols (generally cholesterol).
Answer: New species appear as a result of big changes over a short period of time
Explanation:
Acid rain, if I understand the question correctly.