Answer:
D is rhe answer of rhis question.
Explanation:
collection of cells make tissue, collection of tissues form organ, similarly group of organs combine to form a system and when these systems combine it forms a whole body of organism.
Answer:
producer: grass, primary: grasshopper, secondary: frog, tertiary: snake
Explanation:
23. The answer would be the third option.
24. The answer would be the second option.
I believe the anwser you are looking for is the
Cell Membrane.
It is a substance that lets things in and out of the cell
