Which adaptation helps polar bears maintain a constant internal temperature (thermal homeostasis) in cold weather? pleas I need it for my test right now!

Pick twenty foods and research the amount of total carbohydrates, sugars, and other carbohydrates in them. note: most food labels have this information. record your findings.

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.

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box