<span>- genetic drift
</span>Which mechanism affected the gene pool of the immigrants that entered the United States through Ellis Island?
NOT:
- gene flow
- gene mutation
<span>- natural selection</span>
Answer:
1200ft
Explanation:
depth of water ranges from 0ft below the surface along major rivers and streams to a maximum estimated at more than 1200 ft below land surface on the southern slops oflarch mountain
If in an eight-cell embryo of an organism, the cells of the upper tier are aligned over the cells of the lower tier at a slight angle, it is likely that the organism is a vertebrate.
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Root hair cells absorb minerals and water from the soil.
The water absorbed by the root hair cells passes through the plant in xylem tubes, to then reach the leaves. The energy from the sun is then used to convert water(H2O) into hydrogen (H) and oxygen(O2).
I hope this helps
