The number of electrons in the outermost shell of an atom determines its reactivity.
Ageing is the word that describes all that change as the organism evolve and it also includes growth !
<span>Sodium channels close when not occupied
</span><span>Sodium ions diffuse through and enter the cell.
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Then they leave the cell.
The sodium diverts in the cell layer have receptor locales for acetylcholine.
Answer:
Algae and sunlight
Explanation:
Algae provides nutrients to planktons enhancing their growth. The planktons are photosynthetic in nature. Energy from the sunlight is used by planktons during photosynthesis to make their own food thus increasing its population.
Answer:
D
Explanation:
The cuticle of a plant helps protect its aerial epidermis from things like environmental stresses and desiccation.
