Biology, 17.04.2021 14:00 makennskyee7114
1. When exercising, a person's breathing rate and heart rate increase in order
to supply the muscles with enough oxygen to produce ATP. What systems
are involved in this scenario?
2. When a person is cold, blood vessels near the surface of the skin contract
and less heat is lost to the environment. What systems are involved in this
example of temperature regulation?
Answers: 1
Biology, 21.06.2019 20:00
Consider an organism that is eukaryotic, found in both unicellular and multicellular forms, may resemble a plant but is not photosynthetic, has chitin in its cell walls, and absorbs organic nutrients from decomposing material in the environment. this organism would be classified as which of the following types of organisms? a. fungib. protozoac. bacteriad. archaea
Answers: 1
Biology, 22.06.2019 05:30
Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above
Answers: 1
Biology, 22.06.2019 07:00
An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?
Answers: 3
1. When exercising, a person's breathing rate and heart rate increase in order
to supply the muscle...
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