Answer:
Overpopulation would be the least likely cause of natural selection. Adaptation, evolution and variation are all causes of natural selection.
Explanation:
<span>d. only the fittest of sperm and egg combinations will survive.
Others are external fertilization:
</span>a. all of the sperm will fertilize eggs.
b. sperm and egg will be released simultaneously.
c. the number of sperm and eggs produced will be equal.
<span>e. sperm will be protected until they can unite with the eggs.</span><span>
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Transcription is the process in which mRNA is produced from DNA by using transcriptase enzyme.it involves the following process:splicing,5 END methylation cup,3 end polytail A .
What is this animal and i can answer it
Answer:
excretory system and circulatory system
Explanation:
Blood is part of circulatory system and as it move through various organs it exchanges the gases i.e give oxygen to the cell and take carbon dioxide from them. After taking CO2, the blood becomes impure and hence it passes through the kidney before going to the heart. Kidney is part of excretory system which removes carbon dioxide from blood and thus purifies it.
