You have 2 apples left... 3-1 equals 2 apples
It is true that the energy used for metabolic processes reduces the efficiency of secondary productivity. :)
Answer:D. convergent evolution
Explanation:
Cacti or cactuses are member of the plant family and are often referred to as spiny plants that are usually found in the desserts.
Evolution - In biology, is described the ascent or descent in the characteristics of a species over a series of generations
and natural selection favors its modification.
When two species populations evolve to become more similar to each other we say say they have a convergence evolution.
Hint: Evolution of analogous structures is always an example of convergent evolution.
Answer: The plasma cells.
Plasma cells are cells responsible for production of circulating immunoglobulins.
Explanation:
Plasma cells are white blood cells that are produced from the bone marrow and they secrete and produce antibodies like immunoglobulin.
Immunoglobulins are antibododies produced by plasma cells that act as immune response by recognizing and binding to particular antigens such as bacteria, viruses in order to destroy them.