A species that has a disproportionately large effect on its environment relative to its abundance. An example of a keystone species would be humans
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Answer: The nervous system as a whole is divided into two subdivisions: the central nervous system (CNS) and the peripheral nervous system (PNS).
Explanation:
Answer:
Diploid refers to a cell that has two copies of each chromosome. One way that a diploid organism could have an offspring that are 3n (triploid) or 4n is when the chromosomes don't separate during meiosis
Explanation:
This is the correct answer.
Carbon-14, also known as radiocarbon, is radioactive.
Answer:
Solar eclipse
Explanation:
Solar eclipse happens when the moon is covering up the sun. As the picture is showing, the moon is covering up the sun and casting a shadow onto the earth.