Answer:
it's usually because they have no predators or very little
Explanation:
Having no predators means a lot of growth for the organism. this can easily lead to extinction of other organism
Answer:
c. individuals of a single species that live and interact in one area
Explanation:
When some organisms belonging to a single species live together in an area, they make a population. Since members of a population belong to the same species, they are able to interbreed among themselves to produce viable and fertile progeny. They have the same resource requirement and interact with each other. All the plants of <em>Mangifera indica</em> present in an area make a population. Likewise, a group of <em>Panthera tigris</em> living in a forest together makes the tiger population of that area.
The B cells are not considered as first line defense structures of the immune’s system
Answer: Option C
<u>Explanation:</u>
Our body is protected internally by nature by many layers of defense. Any microbe or a foreign material that disturbs the body is defended by these barriers.
The first layer of defense required physical and chemical barrier such as the skin, mucous membrane, tears, saliva etc . The second line defense system involves the cells and the tissues that protect the body.
It is like a bad driver. Let's pretend I am just learning how to drive, and I get a bad grade well, for Cancer it's the same way. If you don't treat it fast enough it can kill you. Or if you don't catch it in time it can lead to lots of different bad liabilities.