(6.2-A-1a) Individuals with different phenotypes from those around them. 2 points
Heritability
Variation
Adaptation
Speciation

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.

1. desertification

2. captive breeding

3. black rhinoceros

4. renewable resources

explanation:

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meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse

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