There will be approximately ____ mice in four months in a population of 1,000 mice where 500 mice are born and 400 mice die monthly.
A. 1,000
B. 1,100
C. 1,200
D. 1,300
E. 1,400
Answer: E
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The differences between males and females of a species are called ________
A) sexual morphism B) male/female dimorphism C) sexual differentiation D) sexual dimorphism
The accumulation of microevolution events leads to macroevolution.
a. true b. false
Which of the following statements does NOT agree with the cell theory?
A) Spontaneous generation of cells cannot occur. B) The smallest living organisms are single cells. C) Paramecium comes from Paramecium. D) Insects are composed of cells. E) A balanced diet is important for good health.
Which of the following is missing in parasitic flatworms compared to the free-living flatworms?
A. eyespots B. excretory system C. testes D. digestive tract