The process of diffusion and active transport are both used to move molecules from high to low concentration
Explanation:
no 3 is the correct answer I think...
Cells provide structure for the body. They take in nutrients and convert it to energy as well.
A body that does not produce much internal heat
The role of a pioneer species in primary succession is to normalize the habitat by making the topsoil more stable and fertile. Explanation; -In primary succession pioneer species like lichen, algae and fungi as well as other abiotic factors like wind and water start to normalize the habitat.
