Answer - C
Snakes periodically shed their skin in order to regrow new skin. Birds migrating to the south and bears hibernating are also a result of normal periodic transitions. However, extinction of a type of shrimp is most likely a result of a drastic change in the environment.
B. Roots take up nutrients and water from the ground like the mouth takes in food and drink.
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Along the oviduct or fallopian tube when the egg is traveling through the tube it is fertilized by a sperm during intercoarse.
Answer:
The stretch of DNA transcribedinto an RNA molecule is called atranscription unit and encodes at least one gene. If the gene encodes a protein, thetranscription producesmessenger RNA (mRNA); the mRNA, in turn, serves as a template for the protein's synthesis through translation.
Explanation:
The stretch of DNA transcribedinto an RNA molecule is called atranscription unit and encodes at least one gene. If the gene encodes a protein, thetranscription producesmessenger RNA (mRNA); the mRNA, in turn, serves as a template for the protein's synthesis through translation.