Biogenesis, the fir tree began life when fertilization occurred to produce a singlee cell.
I think homologous structures is a great example and idea that supports the theory of evolution. Homologous structures shows us how our futures evolved by natural selection.
20 percent available at the highest tropic level. There is less at the top of the food chain because it has ate things from possibly all areas of the food chain and each level is consuming from lower parts of the chain than it. So with the entire food chain eating on what the top eats there is gonna be less for the top
Answer: Gravity is by far the weakest force we know.
Gravity and weight are not the same thing.
Gravity makes waves that move at light speed.
Explanation: I hope this helps!!