Answer:
<em>The correct option is D) the natural extinction rate</em>
Explanation:
Extinction can be described as a process due to which species get removed from the world.
Background extinction can be described as the standard rate of extinction of organisms of a species due to ecological or environmental factors. It is a low-level type of extinction which occurs over a long period of time. It can be described as the natural extinction rate of individual organisms. Hence, option D best describes the natural phenomenon of background extinction.
Answer:
<em>The child with the blood type O will be adopted. </em>
Explanation:
A punnet square can be described as a diagram which is made to depict the outcomes of a cross.
To determine the possible blood groups of the children with parents having AB and O blood group, lets make a punnet square:
O O
A AO AO
B BO BO
The punnet square shows that the children produced will have 50 percent chance of having A blood group and a 50 percent chance of having a B blood group. Hence, we can tell that the child with O blood group is adopted.
Biotic factors are those that are living in an ecosystem, such as plants and animals, while abiotic factors are those that are not, such as rocks, temperature, water, sunlight, soil etc.
C is correct for number 2 because broadleaf trees are a biotic factor, while precipitation, or rainwater, is abiotic.
A is incorrect because both are biotic factors, since both are living
B is incorrect because both are abiotic factors, since both are nonliving
D is incorrect because both are biotic factors, since both are living
Answer:
C. Hyphae release enzymes to break down food, while gametangia produce gametes.
Answer: Antibodies are proteins that are found in the body on the surface of red blood cells and in the blood plasma ,they are very sensitive to foreign bodies and bad viruses and bacteria,when they notice the presence of anything that poses harm or a threat to the body system,they track it down and fight/destroy it.
Antibodies also play crucial role in hemostasis(stoppage of bleeding) in the sense that when the body is wounded or when someone gets a cut antibodies that are found in the plasma and some substances found in the platelets are released to play a role in sending signal to the blood clotting factors in the blood to be released to arrest the bleeding and prevent the person from bleeding out their entire blood.
