C is paired with g
a is paired with t
g is paired with c
so...gtc
Answer:
False.
Explanation:
Sexually transmitted disease or STDs are the infections that are spresd from one partner to another during sexual intercourse. Bacteria and virus can cause STDs.
Syphilis is an STD caused by the <em>Trepanoma pallidum.</em> The individual suffer from STD experiences burning sensation at genital parts and can easily transfer the disease to the unaffected partner.
Thus, the correct answer is option (b).
Answer:
a
Explanation:
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
Answer:
Prokaryotes.
Explanation:
Most of the Eukaryotes most likely to evolve from the Prokaryotes. Prokaryotes are basically unicellular organisms that lack internal membrane-bound structures. So, they do not carry nucleus and generally have a single chromosome. Most of them have a cell wall outside the plasma membrane, which is a thin layer of lipid that completely surrounds the cell. Prokaryotes reproduce by binary fission method.
The number of camouflaged guppies will increase while the number of uncamouflaged guppies will decrease. Since uncamouflaged guppies are easy to be noticed, predators will eat them. So their number must decrease. On the other hand, camouflaged guppies will remain hidden and their number will increase since they will mate each other.