20. One function of the cell membrane is that is connects the cell to its environment, what is the other?
21. In plants, the cell wall provides
22. What is a vacuole?
23. Chloroplasts convert
into
energy
24. Cells with similar
look similar
25. What are the 2 types of cells?

20.  to be a gate allowing transport into the cell of essential nutrients and movement from the cell of waste products.

21. protection

22. a space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid.

23. light

24.  i don't know

25. eukaryotic and prokaryotic

Explanation:

.

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands