The answer would be <span>oxygen.</span>
The question is incomplete as it does not have the options which are:
A.) Presence of genitalia.
B.) Shape of genitalia.
C.) Presence of a scrotum.
D.) Composition of accessory fluids.
Answer:
Option-A
Explanation:
The reproductive system which is the system formed by the organ which is involved in the reproduction in an organism. These reproductive organs are known as genitalia. Since reproduction is one of the criteria of the cellular organisms, reproduction is possessed by all the organisms on Earth.
The animals which bear the reproductive structures therefore always show the presence of both internal and external reproduce organs like testes, Vas deferens as internal organs and penis and scrotum as external organs.
Thus, Option-A is correct.
Poliomyelitis or Polio, a virus and viral disease. Poliomyelitis while relatively common and asymptomatic, had a high prevalence of paralysis due to the sheer number of infected. The vaccine was created by Jonas Salk, that immunized the patient towards the disease, saving countless lives, and effectively paved the way to eliminating polio in US.
Answer:
Mutations affect evolution by increasing genetic variation and the potential for individuals to differ.
Answer:
the answer is letter D. hope this helps ^v^
