C!! i had this question before . energy decreases at top
I believe the answer would be D, plant. Plant cell walls appear as tiny little boxes that are given their shape by two chemicals: cellulose and lignin. Cellulose is the basic structural component of plant cell walls and is also found in vegetable matter, cotton and wood. High amounts of cellulose are consumed by herbivores, usually with the assistance of bacteria.
The atmosphere is a mixture because it contain many types of gases , liquids and solids.
Answer:
A
Explanation:
although they may evolve, done if the matter will remain the same.
Phospholipids are main in membrane
