A. Natural Selection. This is because the weeds that are not resistant to it die out before they can reproduce, but the resistant ones grow to maturity and then reproduce, passing down the resistance gene. Over time, the resistance gene would become a normal thing in weeds, while the non-resistant gene would not exist anyone, since the gene could not be passed on.
Answer:
Muscles contract rapidly to produce heat on a cold day.
Explanation:
noe ten tendip erioa gracs
Explanation:
Uhhmmm.....W-where's the diagram though?..
(• ▽ •;)
We can't even answer it cuz u didn't take a picture of ur homework or something..
(;ŏ﹏ŏ)(• ▽ •;)
Answer:
Because the interior of the phospholipid bilayer is occupied by hydrophobic fatty acid chains, the membrane is impermeable to water-soluble molecules, including ions and most biological molecules.
Explanation: