A(n) is a possible and testable answer to a scientific question or explanation of what scientists observe in nature.

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

Nerve cells are specialized to respond to stimulitrue or false?

What’s the student’s scientific question