The brain and nervous system of a developing embryo can only be damaged during the very early stages of

development.
a. True
b. False


False

Biology & Microbiology

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Which of the following is a type of roots?

A. buttress B. pneumatophores C. prop D. lateral E. All of the choices are correct

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Where do terrestrial plants obtain the necessary carbon for photosynthesis?

What will be an ideal response?

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The variation of the color in Siamese cats is due to

a. incomplete codominance. b. inactive X chromosomes. c. environmental effects on phenotypes. d. quantitative inheritance. e. multiple alleles.

Biology & Microbiology

The two circuits in the heart and the cardiovascular system have the same blood pressure.

a. true b. false

Biology & Microbiology