For each scenario given, decide whether allopatric or sympatric speciation would be the likely result. 1:Some female African cichlids
only mate with blue-colored
males, while others only
mate with red-colored males.
2:An island splits in two and
the halves drift apart,
separating a population of
native birds.
3:The development of a
road divides a population
of rabbits.
4:Some beetles in a population
only mate at night, while
others only mate during
the day.
5:In a population of mice,
some mice only eat fruit
while others only eat seeds.

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. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.

what is this saying?