Answer:
Both natural selection and genetic drift are mechanisms for evolution (they both change allele frequencies over time). The key distinction is that in genetic drift allele frequencies change by chance, whereas in natural selection allele frequencies change by differential reproductive success.
Answer:
sea water contains a salt
Answer:
In the second picture, the answer is A to attach to a host cell.
In the third, the fourth and the fifth the answer is D.
Explanation:
The temperature of the plasma gasses cools. This is because the gases lose some of their energy into light photons that disperse into space. When the plasma gases get cooler gases to become denser and sink to the bottom of the convection zone and are replaced from upwelling hotter plasma gas. The temperature at the bottom of the convection zone is approximately 200,000° C while that at the surface is 5700° C.
Answer:Because they keep on repeating.
Explanation:
