The division of the Earths interior into 3 distinct layers called the core, mantle, and crust is based on Chemical Composition.
Adaptations generally occur in order to increase the fitness and thus survival of organisms. ... shown that may not be sufficient to accurately predict the effects of climate change on a species.
Answer:
substituition
Explanation: U HAS BEEN SUBSTITUITED BY A
Im pretty sure its cell, species, biosphere. Hope i can help :)
