Which plane divides the body into upper and lower portions?
a. sagittal
b. frontal
c. transverse
d. midsagittal
c. transverse
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In humans, a diploid organism, an individual’s genotype includes ____ of each autosomal gene
a. one copy b. two copies c. hundreds of copies d. thousands of copies e. millions of copies
Submembrane cytoskeletons can provide shape to a cell.
a. true b. false
All tapeworms are intestinal parasites that completely lack digestive systems
Indicate whether the statement is true or false
Answer the following questions true (T) or false (F)
1. Lakes and rivers account for slightly more available freshwater than groundwater does. 2. Human industry is responsible for more nitrogen fixation worldwide than soil bacteria. 3. An animal that exclusively eats grasses would be both a primary consumer and an herbivore.