Answer:
A marine biologist is more in demand. A marine biologist is a scientist who studies plants and animals that live in the ocean. A marine biologist seeks to understand ecosystems, biology and behaviors while analyzing how different marine species interact with each other. Besides studying how ocean life affects itself, marine biologists may also examine the impact that human interaction has on marine biology. Explanation:
The doctor who is concerned that wilma may have a brain tumor recommends that a(n) positron emission tomography (PET) scan.
PET scan is a scan imaging test that allow doctor to check disease in human body. This scan uses a special dye that contain a radio active tracer.This scan provide information about blood flow and how body is using oxygen and sugar.
A
This should be considered a case of natural selection because humans were not selecting for particular desirable traits.
Explanation:
The individuals in the population who held even the slightest advantage in the tolerance of the oil spill had higher chances of surviving and passing their genes to the next generation. Fishes with low tolerance perished even before getting to maturity. Therefore with each generation, traits for oil tolerance in the population increased by natural selection enabling the population to evolve towards increased intolerance to oil over a period of several generations.
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Answer:
Clouds regulate the flow of radiant energy into and out of Earth's climate system
Explanation:
