How would removing hydroxyapatite from bone matrix affect the physical properties of a bone? a) the bone would be less flexible. b) the bone would be stronger. c) the bone would be more brittle. d) the bone would be more flexible. e) the bone would be less compressible.

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.

Which of the following determines the specificity of a dna probe? a. type of radiation b. level of enzymatic activity c. number of neutrons d. complementary base pairing

Choose the diagram that best represents a habitat corridor explain your choice.