Amniotes differ from earlier vertebrates by
a. their large size.
b. their three-chambered heart.
c. their internal fertilization.
d. the possession of a slimy skin.
e. having external scales
C
Biology & Microbiology
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Today, there are at least ____ living plant species, which collectively make up the Kingdom Plantae
a. 18,000 b. 120,000 c. 280,000 d. 1,200,000 e. 2,800,000
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What Mendel called “factors” we now call ____
A. nucleotides B. DNA C. chromosomes D. genes E. bases
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Which of the following has increased as a direct result of stratospheric ozone depletion?
a. CO2 b. UVB c. CFCs d. nitrous oxides e. sulfur oxides
Biology & Microbiology
Could your lifestyle or the food you eat influence evolution? How?
What will be an ideal response?
Biology & Microbiology