Answer:
Fossils closer to the surface are younger
Explanation:
Answer: Cell membrane is layer which is present in all living cells. It is present under the cell wall but in some cases such as plant cells.
Explanation: It is composed of lipid bilayer and proteins embedded in it. Phospholipids, glycolipids and sterols is the composition. Its function is to protect the cell from extracellular environment. It is semipermeable membrane that js allow only selected molecules to pass.
Answer:
Biomes consists of moving water is estuaries.
D. Muscus and cilia trap pathogens
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"evolution of populations over time" is <span>represented by the base root of a phylogenetic tree</span>