Answer:
Zooplankton(A)
Explanation:
Because the toxic mercury builds up in the bigger organsims
Answer: Examples of genetic variation include eye color, blood type, camouflage in animals, and leaf modification in plants.
Explanation:
Gene flow leads to genetic variation as new individuals with different gene combinations migrate into a population. Sexual reproduction promotes variable gene combinations in a population leading to genetic variation.
I believe it is at the age of 6. Virtually all human behavior is governed by the brain. Experience that produces a change in behavior produces a change in the brain. Increase in Brain size. 25% of adult weight by birth, 50% of adult weight by 6 months, 75% of adult weight by 2 years, 90% of adult weight by 4-6 years, 95 % of adult weight by 6-7 years.
D. Kidneys are directed by the presence of antidiuretic hormone to excrete more water in urine.
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The cardiovascular system
The cardiovascular system is an
organ system which allows blood to circulate and transports nutrients, gases, hormones,
and blood cells within the cells of the body for proper functioning of human
cells and organs. The cardiovascular system is made up of the heart and the
circulatory system. A group of arteries, arterioles, and capillaries help to carry
blood from the heart to other parts of the body.