What causes genetic variation in a population? environmental changes random mutations favorable adaptations

What is the main purpose of mRNA is to?

RNA from a chipmunk is compared to RNA from a mold. Both will contain the A) sugar deoxyribose and the base thymine. B) sugar deoxyribose and the base uracil. C) sugar ribose and the base thymine. D) sugar ribose and the base uracil.

Describe briefly how non green plants get their food?

How does dna to amino acids work

A laboratory experiment followed the growth of a flour beetle (Triboliumsp.) population over time. At first, thepopulation increased dramatically, but later the growth slowed and the population size leveled off.

Why should a person who sells fish and fish aquaria learn about the excretory systems in animals?

A group of scientists are studying a crab. After comparing the crab to other crabs and testing its DNA, the scientists think they have found a new species of crab. What should they do next? They should test the crab's DNA again.

What is necrosis and giver examples

An is a useful metallic mineral that can be mined for a profit

Due to climate change, the range of malaria is expected to spread to areas where it was previously not a problem. Given this piece of evidence, predict what will happen to the frequency of the sickle cell allele in areas where malaria is introduced