The correct answer is A. Thyroid
Explanation:
In biology, a gland refers to a type of structure composed by cells whose main function is to synthesize substances especially hormones. This includes the thymus gland that is composed of two lobes and is located near the heart; the anterior/posterior pituitary gland that is located at the base of the brain and it is one of the smallest glands; the pancreas that is located in the abdomen and the thyroid that as the thymos is composed of two lobes, secrets different hormones and it is located in the neck/throat. Considering this, the gland described is the Thyroid because this is the only one located in the throat and also this is composed of two loves.
Huddling is the correct awnser
It can cause microevolution, or a change in allele frequencies over time, with fitness-increasing alleles becoming more common in the population over generations. It refers to how many offspring organisms of a particular genotype or phenotype leave in the next generation, relative to others in the group.
If you don’t no the vocabulary in this , don’t worry :/... zzz
Just look up the definitions and you’ll be fine :)
Answer:
a biologic trade of sperm/ semen and egg cells
when these are traded only then reproduction occurs