Answer:
The answer is D a retrovirus inserts DNA into the host cells genes
Answer:
An advantage to heterospory is endosporic gametophyte.
The endosporic gametophyte do permits for embryonic formation. It prompts it to have a reduced vulnerability to varying form of environments.
The second advantage that heterscopy could offer to plants is ensuring of a well apportioned nutrient filled environment.
The well apportioned nutrient filled environment is formed as a result of the megasporangium been adhered to the sporophytic plant body. This sees to promote a good formation of the embryo.
A further advantage of heterscopy is the aftermath of fertilization.
This integument is hard as it is necessary to preserve the female gametophyte and embryo.
Answer:
The iguanas with webbed feet will become more common due to natural selection.
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.
Answer:
the cooler air is H, and the hotter air is L
Explanation: Since the cooler air is less dense it has lower pressure, which is why it sinks. the hotter air becomes less dense because the molecules are faster and spread out hence it has less pressure and rises
