Answer: Sickle cell anemia is caused by a substitution in the beta-hemoglobin gene, which alters a single amino acid in the protein produced.
Explanation:
Natural selection, in which the fittest organisms are the most capable to survive and reproduce.
A.Zygomatics doesn't belong with the list of organelles
Answer: gynoecium.
Explanation:
Androecium is the male part of the flower
Phytoplankton; small cells that use photosynthesis to turn sunlight into food that live near the surface of the ocean. There also responsible for about half of the Earth's primary production. The seasons also affect how well there doing, they need the climate best for them to produce right, changing seasons doesn't nearly affect them as much as climate change though.
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