The answer is B. Genetic drift greatly affects small populations, but large populations can recover.
Answer:
Dermis.
Explanation:
The skin is the outer most protective layer that differ in structure and composition of the vertebrates. The main function of skin is the regualtion, sensation and protection of the organism.
The skin is divided into different layer : epidermis, basement membrane dermis, and subcutaneous tissue. Only the dermis layer contains the living cells that are highly vascularized and present beneath the hypodermis. Dermis layer protect the body from the stress and strain.
Thus, the correct answer is option (2).
The nitrogen cycle is impacted by humanswhenever fertilizer is applied to farmland to help crops grow. This adds nitrates to the soil. If soil erodes, the nitrates are transported and deposited in the nearest body of water. This can cause algae to overgrow in a process called eutrophication. The lake will run out of oxygen as the algae die off and bacteria begin their decomposition.Sessile organisms are greatly affected.
