The answer is D) evolving
I believe the answer is PREZYGOTIC isolating mechanisms
Answer:
Coombs reagent is an antiserum with antibodies that bind to the human <u>antibodies attached on the surface of the erythrocytes.</u>
Explanation:
Coombs test is a blood test used in immunology and immunohematology. It is of two types: direct and indirect.
The Coombs reagent is an antiserum, containing antibodies.
The direct Coombs test detects the antibodies present on the surface of the erythrocytes.
In this test, when the Coombs reagent is reacted with the blood to be tested, <u>the antibodies in the Coombs reagent binds to the antibodies attached on the surface of the erythrocytes in the test blood and cause agglutination.</u>
Answer:
in north america, the direction you would usually have to travel to go from a coniferous forest to a deciduous forest is heading south. coniferous forest are more likely to be acidic in nature than the deciduous forest. the deciduous forest typically has more clay soil and higher ph.
Explanation:
Hope it helps!
Can I have nrainliest please! If u get it right :)
Explanation:
it shields humans and other living things from ultraviolet rays
