Hey there!
It's called biotic potential.
This is because for natural selection to occur, the populations need to have variations.
I hope that helps! :)
Answer:
Answer option C: The amount of force a horse used to pump water.
Explanation:
Should be your answer.
Answer:
The chemical feature of each group is: native elements – only one element; silicates – silica tetrahedron; phosphates – phosphate tetrahedron; carbonates – one carbon atom with three oxygen atoms; halides – a halogen bonded with a metallic atom; oxides – a metal combined with oxygen; sulfates – sulfur and oxygen
The natural blind spot is due to lack of receptors where the optic nerve and blood vessels leave the eye. There can also be artificial blind spots when something blocks light from reaching the photoreceptors, or when there is local adaptation of the retina as just after seeing a bright light
