Answer:
When the plates are at the mid ocean ridges thay are spreading apart creating new ocean floor. this is also called a divergent boundary
Answer:
Invertebrates have a very quick life cycle and die very easily, as a result, they evolve very quickly into many different types of animals. also, they are often very small and their ecosystems are subject to much quicker change than that of vertebrates, meaning that mutations in their genes become relevant more often. Many invertebrates span very large areas (sea animals span most of the oceans, insects span entire continents) and so they evolve to be different species in different places.
Or
They do not have bones, they live on water or land, they can have soft bodies or exoskeletons, and others are parasites.
I think its the Diurnal Cycle.
The statement "The American Psychological Association is the only organization that can approve psychological research studies." is false.