The ability for a hominin to walk upright is referred to as ________
Fill in the blank(s) with correct word
bipedalism
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Which group is typically used to calculate the frequency of an allele in a population?
A) Homozygous recessives B) The most fertile individuals C) Autosomal dominants D) Heterozygotes
Plants connected by mycorrhizal fungi:a
must be of the same species. b. can only exchange carbon dioxide in one direction. c. are an excellent example of a parasitic relationship. d. compete for light. e. exchange organic materials in both directions.
Most radiolaria have an internal skeleton made of ________.
A. microtubules B. cellulose C. glycoproteins D. siliceous material
A person with swollen gums rinses his mouth with warm salt water, and the swelling decreases. Which of the following has occurred?
A. The swollen gums have absorbed the saltwater solution. B. The saltwater solution lowers the temperature of the water in the gums. C. The salt in the solution has moved against the concentration gradient. D. The water in the gums has moved out due to the high concentration of salt in the solution.