The answer is mitochondria because mitochondria is involved in cellular respiration.
Answer:
D
Explanation:
D is the correct answer. The rest do not represent evolution / natural selection well, and penicillin's strength has remained the same.
Answer:
Nucleotides
Explanation:
A nucleotide of DNA consists of a five-carbon sugar (deoxyribose), a phosphate unit, and a nitrogen-containing base.
Answer: D. All of the above
Explanation: If airplane, air pollution. If boat, oil spills. They need to clear trees and stuff for airplanes and boats, so that's habitat loss. So you're answer would be D. All of the above
<span>C. Magma is injected into surrounding rock forming an igneous intrusion.</span>