Answer:
By allowing the establishment of geological timescales, it provides a significant source of information about the ages of fossils and the deduced rates of evolutionary change. Radiometric dating is also used to date archaeological materials, including ancient artifacts.
Explanation:
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The KT boundary marks a mass extinction event. the KT boundary is the time between the Cretaceous and Tertiary periods. An asteroid hit the earth at the end of the Cretaceous and that caused the end of the Cretaceous period. Before the KT boundary, pollen from angiosperms and gymnosperms is high. After the meteor hits the earth, a mass extinction occurs and the amount of pollen from gymnosperms and angiosperms decreases dramatically, while the amount of spores from ferns increases. During the Cretaceous period there were many species of gymnosperms and angiosperms but they disappeared at the KT boundary, when the asteroid hit the earth.
Answer:
B. 2 : 0 : 2
Explanation:
In a punnet square, the alleles would be Tt, Tt, tt, tt. So, you have 2/4 or 50% of the genotype Tt, and 2/4 or 50% of the genotype tt.
The answer is A. Plantae
Plantae is a multi cellular organisms which produce their food from photosynthesis , Sunflower is one of them. They're also known as metaphyta,
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<span>peristalsis should be your answer.</span>
