How are organisms in an ecosystem interdependent?

1

What do the arrows in a food chain show?

2

What molecules are the building blocks of proteins?

3

What molecules are the building blocks of carbohydrates?

4

Which of these foods is high in protein?

5

Which of these is small enough to be absorbed into the blood?

6

What do plants use cellulose for?

7

What process joins amino acids together?

8

What are the subunits of lipids?

9

Starch is an example of which type of food molecule?

10

How many fatty acid molecules make up a lipid?