Answer:
A genome is a complete set of dna(genetic information) and contains all of an organisms genes.It is found in the nucleus.
Precambrian time, the Paleozoic era, the Mesozoic era, and the Cenozoic era
Answer:
True:
A heat source could be considered a source of pollution.
Explanation:
The reason behind this is that global warming is attributed to the general warming o the planet's temperature without making a specification of a single source or a singular type of origin. It just accounts for warming. One of the major discoveries of this problem was the fast-food chain's contribution to global warming. Saying that the fast-food industry provides a considerable amount of warming to the planet.
Answer:
B. It is done by humans to select certain traits useful to us.
Explanation:
There are two main types of selection: natural and artificial. Natural selection is all of the other answers, it is seen over generations and allows the fittest to survive. It also occurs with no human intervention. However, artificial selection is done by humans. It occurs when humans breed animals to best fit their needs. This is best seen in dog breeding.
Answer: c
Explanation:
corals usually live in water temperatures of 68–90° F or 20–32° C.
