Answer:
i think the answer is a
Explanation:
the Hardy-Wienberg principle is used to explain the unchanging frequency of alleles and genotypes
A normal range in adults is generally considered to be 4.35 to 5.65 million red blood cells per microliter (mcL) of blood for men and 3.92 to 5.13 million red blood cells per mcL of blood for women. In children, the threshold for high red blood cell count varies with age and sex.
The oxygen that goes through alveoli and diffuses into blood capillaries. The oxygenated blood goes though aorta and is pumped by the heart and goes out through the vena cava to be distributed to the whole body. the deoxygenated blood comes back to the heart from the body and is pumped back towards the lungs. the carbon dioxide diffuses out of the blood capillaries and goes out of the body.
90% of the energy is lost to the environment as heat and only 10% is transferred per trophic level
Answer:
to eliminate traits and group organisms into smaller categories to observe characteristics and discover new species to compare classifications .
According to me ,
it should be right.
Hope it helps.