Answer:
first and third one
Explanation:
animals need the oxygen they make. and animals eat the plants. if an animal doesnt eat plants it eats somthing that does. sorry for the typos.
Answer:
C
Explanation:
im a mechanic i know this stuff
I think the answer should be 16 because 1×2^4=16
For you to understand the process we can say that the weak will die. If the animal or organism can't get food or find any it is naturally "selected" to die.So a Cuticle could have evolved like that. Hope tgis is useful
I didn't get it ...
can you explain that question