An example of natural immunity is a fetus acquiring maternal igg to the chickenpox virus across the placenta. Option D
<h3>What is natural immunity?</h3>
The term natural immunity refers to the ability of the body to defend itself from invaders which are pathogenic. There are two kinds of natural immunity which are;
- Active immunity
- Passive immunity
Since natural immunity could be due to a person's immune system or may be gotten from another person, it follows that an example of natural immunity is a fetus acquiring maternal igg to the chickenpox virus across the placenta. Option D
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C. Cluster of tiny blood vessels in a nephron
Answer:
The green revolution solved one problem but created new ones
Explanation:
edg
Answer:
Because enzymes guide and regulate the metabolism of a cell, they tend to be carefully controlled. In this article, we'll take a look at factors that can affect or control enzyme activity. These include pH and temperature (discussed in the active site article), as well as: Regulatory molecules.
The correct option is C.
Organisms living int he oceans are sensitive to water level and temperature change and small changes in the ocean ecosystem usually have big impacts on the organisms that are living in the ocean.
If the water level of the ocean rise and its temperature increases, that means that, some organisms which have been living in the ocean before will no longer be able to cope because of these changed conditions. These species will probably die out and become extinct.