<span>They have setae covering their bodies.
They have a one-way digestive system.</span>
<em>crossing-over affect evolution...
<u>reason:
</u>during crossing-over chromosomes exchange their genetic information...
because of this variations occur in new generation,, in new generation some characters are from maternal chromosomes and some are from paternal chromosomes... </em>
Answer:
D. Water
Explanation:
Biotic factors are all living things, and they are derived from organisms. These include: fungi, plants, bacteria, archaea, protists, animals.
Abiotic factors are all nonliving things, and they are not derived from organisms. These include: air, soil, light, water, minerals.
In this case, grass, trees, and algae are all living things since they are derived from organisms.
On the other hand, water is not a living thing since it is not derived from organisms.
Let me know if this helps!
"Adjacent chromatids in homologous chromosomes cross over during meiosis in sperm and egg formation" is the one among the following choices that describes what <span>causes genetic variation during human sexual reproductive processes. The correct option among all the options given in the question is the second option.</span>
The answer is A. number of pots
