"Chromosomes" are the structures in the nucleus that contains the DNA
Why human skin coloration is not sufficiently explained by polygenic inheritance? it is because of the other aspect that affects the skin, for example sun exposure which is the effect of environment not by genes. If a person is exposed in the sun, her skin gets darker compare to what it used to be.
Both are processes that lead to learning. Classical conditioning pairs two stimuli and works with involuntary responses, while operant conditioning pairs behavior, response, and works with voluntary behaviors.
Protista are unicellular organisms that do have a nucleus. They can reproduce both sexually and asexually. They live in moist environments.
<h3><u>Explanation:</u></h3>
Kingdom Protista consists of the organisms that are unicellular or pseudo multicellular and they are eukaryotic in nature.
The classes under Protista consists of Chrysophytes, Dinoflagellates, Slime moulds, Euglenoids and protozoans. These organisms are all unicellular. They are all the eukaryotic organisms. Euglenoids are photosynthetic where the protozoans are consumers and Slime moulds are saprophytic. They prefer to live in water or moist lands. These organisms can reproduce both asexually or sexually.
