Answer:
E) there are at least two groups, one of which does not receive the experimental treatment.
Explanation:
A controlled experiment is an experiment that is manipulated by the scientist to suits his methods. They are conducted to test a single variable at a time. It helps to minimize the random effect of wild environment on the experiment.
In a controlled experiment there are two groups; one group receive treatment in certain proportion it is referred to as controlled group while the other group are exposed to the standard environment known as experimental group.
Answer:B. It would not develop male genitals
Explanation:
Testosterone is the male sex hormone. It is an anabolic steroid. It is responsible for the development and maturation of internal genitalia in males. Internal genetalia includes the testes and prostate gland development which aids in production of sperms and seminal fluid.
Thus in the abscenece of testosterone the gonads will not develop internal genitals.
The right answer is Mitochondria.
Answer:
Label A. is probably Mitochondria, and Label B. is probably the nucleaus, but Im not sure about C. The ribisome or the endopplasmic reticulam, maybe??
Explanation:
"Disruptive selection" is the one mechanism among the choices given in the question that <span>brought this change in gene frequencies. The correct option among all the options that are given in the question is the fourth option or option "D". I hope that the answer has actually come to your help.</span>