Biology, 21.04.2021 16:30 Kykebailey2356
Evolutionary Biology- You are studying two species of chipmunk β the yellow-pine chipmunk and the red-tail chipmunk. They have overlapping ranges yet have subtle differences in ecology and morphology. Propose two scenarios under which speciation may have occurred between these two sibling species Please answer in detail
Answers: 2
Biology, 22.06.2019 00:50
What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.
Answers: 2
Biology, 22.06.2019 06:00
Which is an important function of normal flora? a. aid with bone marrow production. b. crowd out pathogenic bacteria. c. destroy digestive track pathogens. d. manufacture iron in the bloodstream.
Answers: 1
Biology, 22.06.2019 06:30
Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food
Answers: 1
Biology, 22.06.2019 11:00
Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.
Answers: 1
Evolutionary Biology- You are studying two species of chipmunk β the yellow-pine chipmunk and the re...
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