Biology, 26.09.2019 23:50, imlexi12393
Page 161 3. how do people adapt to environmental extremes and other circumstances? human populations that engage in activities that stress the skeleton (e. g., walking, lifting, carrying) have bones with optimum density.
a. true
b. false
Answers: 1
Biology, 22.06.2019 12:40, crybaby222psyc
In a cladogram, what occurs at a node? a derived trait appears. evolution is stopped. an ancestor dies. the cladogram ends. aa as s as ss what are the chances that their offspring will have sickle cell anemia? 0% 25% 50% 100%
Answers: 3
Biology, 22.06.2019 15:00, rgilliam3002
Pls me i need this ! each cell has genes activated depending on it's job and what kind of cell it is. it is the presence of that causes the repressor protein to fall off and unblock the gene on the lac operon. if a gene is turned on then it is being an additional circular chromosome found in some bacteria that is used in genetic engineering.
Answers: 2
Biology, 22.06.2019 15:30, sarbjit879
Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal response by in order to it's core temperature.
Answers: 1
Page 161 3. how do people adapt to environmental extremes and other circumstances? human population...
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