Answer:
The fetus gets it's nourishment through the umbilical cord that is connected to the mother's uterus
Genetic variation happens when one organism in the population mates with a genetically different organism. Same species, different genetics such as color or height/weight.
Answer: 3
Explanation:
The black widow, the hobo spider, and the brown recluse spider are all poisonous. They all have lethal venom.
<span>Molecular clocksC. take advantage of known mutation rates to estimate how long ago organisms shared a common ancestor.
All of the following are important properties of prokaryotes except
A. prokaryotes are used to make many products for humans.
All of the following patterns were witnessed by Darwin except that species vary
C. within very short spans of time.
The scientific name for a white oak is Quercus alba; the scientific name for a red oak is Quercus rubra.What does this tell you about the organism?
D. White oaks are grouped in the same species category as red oaks.<span>
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