The correct answer is alleles.
While conducting experiments, Mental understood that each trait of the pea plants were controlled by two alleles and depending on those the plant would have different characteristics.
An allele is a variant form of a gene, so for example, in the gene that codes the color of the plant, the alleles could code for green or yellow.
D must travel through a medium is your answer
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Answer:
I believe the answer is A because if shrimp eat phytoplankton, and squid eat shrimp this should work. I am not positive but I hope this helps.
<span>The direction the nerve impulse travels relative to the central nervous system.
I hope this helps!</span>
The answer is Echinoderms.
According to the Embryological studies, the most ancient chordates were closely related to the ancestors of the echinoderms. Echinoderms are members of the group Phylum Echinodermata of marine animals. Some known echinoderms are starfish, and sea cucumbers.