Answer:
They are neutrophils, eosinophils, basophils, lymphocytes, and monocytes.
Out of these ones the T-cells are responsible for recognizing antigens on the surface.
Explanation:
T cells
Killer T cells
Killer or cytotoxic T cells scan the surface of cells in the body to see if they have become infected with germs, or if they have turned cancerous. If so, they kill these cells.
Helper T cells
Helper T cells "help" other cells in the immune system to start and control the immune response against foreign substances.
Regulatory T cells or Tregs
Tregs control or suppress other cells in the immune system. They have both helpful and harmful effects.
Memory T cells
Natural killer T cells
Secondary succession
Explanation:
The type of succession in this forest is a secondary succession.
A secondary succession is from of succession that occurs in a place that lost it already established ecosystem.
It is succession in an area with soil already formed.
Primary succession is succession in a completely destroyed area that has lost its ecosystem components.
- This kind of succession occurs in an area that a wildfire ravages.
- The first set of plant to populate the area are usually short lived grasses.
- Then shrubs and more vegetation grows.
- With time, perennial forest trees surfaces and the forest is restored.
- Secondary succession is faster
learn more:
Primary and secondary succession brainly.com/question/1603854
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question 12 part a is hydrogen bonds
and 13 is because helium is a noble gas
hope it helps
Answer:
Option 1: Connect left and right hemisphere
Explanation:
The function of Corpus Callosum is to establish communication between the left and right hemispheres of the brain.