Correct: The sun is the center of the solar system. It is mostly gas. It is the most massive object in the solar system.
phycical change
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Answer:
This is known as Phenotypic plasticity, the artic fox has the advantage of being able able to hunt rodents, birds and fish
Explanation:
Phenotypic plasticity can be explained as the changes in the behavior, morphology, physiology of an organism such as the artic fox in response to their unique habitat. It tells us how the artic fox is able to cope with the variations in it's environment.
Their natural hues helps them to blend into snow and ice since it is white. When there's a change in season, their fur or coat also changes as well to a brown or grey color that gives it cover when it is among rocks and plants.
These colorings gives them an advantage and help them to hunt rodents, birds and fishes.
Answer:
Viruses do not need a host cell to reproduce but will use one if available to save energy
