Alleles. Alleles are the "same" genes, but provide a variation of the intended function.
Answer:
plants either get adapted or eaten by predators
Answer:
Check if the rock layer has fossils in it.
Explanation:
The rock layer from the inside out and the fossils will tell you how old the rock is.
d. Sea Cucumber
Sea cucumbers are filter feeder. Sea cucumbers often find places that have strong currents to find food.
