17) compare the three scenarios below. which scenario would natural selection most likely work? a) an island with lizards that all look alike and are all eating the same food. b) a population of salmon with different skin colors that attract mates. c) a population of parakeets that have the same sized beak. 20) a new species of penguins is created, which of the following could cause this to happen? a) an earthquake has happened to divide some arctic land and over time one penguin species became two different species that could no longer mate and reproduce. b) a new predator moved into the environment lowering the number of the overall population of the penguins. c) a sudden warming began melting the ice in the region causing the penguins to migrate further north. 21) variation in a trait is a required condition for natural selection to act on a population for that trait. assuming a population of organisms started with only one form of a trait, what is one way variation in the trait be introduced into the population? a) mutations b) fossils c) there is no way to add variation to the population.
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Biology, 21.06.2019 20:00, bettinger6525
Part a - prefixes, roots, and suffixes match these prefixes, suffixes and roots to their meanings. phospho- angio- -uria -tropic -phag- a. the word root means blood or lymph vessels. b. the word root means urine. c. the word root means feeding or eating. d. the word root means phosphate or phosphorus. e. the word root means attracted specifically to the specified organ or tissue. part b โ match these vocabulary terms to their meanings. gonadotropic polyuria angiotensin ii polyphagia phosphodiesterase upon the release of renin, is produced and stimulates vasoconstriction and the release of aldosterone. fsh and lh are examples of hormones, which target the ovaries or testes. an enzyme that degrades second messengers like camp or cgmp is . overproduction of urine, or , is a sign of diabetes mellitus. overeating, or , is a sign associated with diabetes mellitus.
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Biology, 22.06.2019 03:30, nathanbrockdac
Which type of respiration takes place when there is no oxygen present
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17) compare the three scenarios below. which scenario would natural selection most likely work? a)...
Chemistry, 05.12.2019 19:31
Biology, 05.12.2019 19:31