Why was the reduction of the bison population to under 1,000 individuals a bottleneck event for the species?
a. it drastically reduced the gene pool of the species
b. it reduced the territorial range available to the species,
c. foreign genes were introduced by crossbreeding with cattle.
d. it reduced the prevalence of recessive traits.
select the best answer from the choices provided
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The answer is a i believe

the glands which are associated with each description is given below:

pancreas - is an endocrine and exocrine gland that secretes juices with enzymes for digestion. salivary glands- with protection and digestion in the mouth. liver- secretes bile for digestion.   lachrymal glands - secrete tears to moisten eyes and protect them from particles and infection.   sweat gland -regulates water, salt, and temperature. oil glands - to form a protective barrier on the skin.   goblet cells - secrete mucus for protection.

Carbon monoxide is the answer: )

The 3 steps are vasoconstriction, temporary blockage of a platelet plug, formation of a fibrin clot better known as coagulation.