Answer:
the branch of science concerned with the chemical and physicochemical processes and substances that occur within living organisms.
Explanation:
The correct answer is: first level.
Maslow's hierarchy of needs is a theory in psychology that is represented by hierarchical levels of human needs within a pyramid. There are five levels of needs:
1. Physiological (food, water, rest..),
2. Safety ,
3. love and belonging (friends, intimated relationships),
4. esteem (feeling of accomplishment),
5. self-actualization (achieving your own potentials).
Answer:
they need to introduce new deer and won't the earth worms and other such primary consumers will thrive because the deer are not there to eat them
Explanation:
Answer:
It needs the spines for protection
Explanation:
The cactus would develop the spines as a form of protection to protect itself from being consumed and to survive longer.