it separates the inside of the cell from the environment outside and it controls substances moving in and out of the cell (selectively permeable)
A pyramid of energy can never be inverted because energy decreases by tenfold each level. This can't be reversed because energy can't just increase by tenfold. It has to come from somewhere.
A generalist species is able to survive in a wide variety of environmental conditions and can make use of lots of different resources. Generalist species have a big niche. Humans, rabbits, house flies, and raccoons would all fall under the generalist species list.
A specialist species can only thrive is a small variety of environmental conditions and/or only has a limited diet. Specialist species have a small niche. Pandas, koalas, and salamanders would all fall under the specialist species list.
Answer:
The way that the Universe works, the way that different things in life contribute to one another.
Explanation:
Dang, that got deep real quick
Answer: A,B and C
Explanation