So white blood cell’s(WBCs for short) main job is to fight infections.
They do this by swallowing the infection.
You see,WBCs do not have a permanent shape.this means that they enlarge and decrease size of parts of their body.So they grow two long arm like structures called pseudopodia which swallow the infection.(pseudopodia means false feet).
You can see the process in the photo I attached from google
<span>What is the approximate age of our solar system?
</span>b. 4.6 billion years
Erosion is brought about by the forces of nature or human activity: water, wind, earthquakes, mining, quarrying, etc. In the desert, there is very little water that can cause weathering or erosion, so the most probable answer is wind or maybe even animal activity.
Answer:
Ecology is the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
Answer:
A population is the number of living people that live together in the same place. A city's population is the number of people living in that city. These people are called inhabitants or residents. ... Usually population refers to the number of humans in a certain area.
Explanation:
Hope this help