Answer:
true, the alternative would be postzygotic barriers.
Explanation:
1, as the energy comes from the sun, then plants get it through photosynthesis, and finally the consumers obtain the energy from consuming animals on a lower trophic level than themselves. energy cannot flow down the food chain, only up.
Answer:
iv is the amounts of salt added to water
Explanation:
because it being controlled in the expariment by the scientists.
Answer:
The change from the oblong skull and protruding face of ancient humans (right) to the modern rounder skull and retracted face is associated with a sharper bend in the floor of the brain case (lower left), thought to be caused by increased brain size.
Explanation:
Give brainlist me please
Explanation:
medulla oblongata......oks.......
