Which of the following is an internal stimulus?
a When an animal notices a change in seasons.
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Biology, 12.12.2020 17:00 brielled5203
Which of the following is an internal stimulus?
a When an animal notices a change in seasons.
b When an animal sees a potential mate.
c When an animal is in pain.
d When an animal sees a predator.
Answers: 1
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Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?
Answers: 2
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Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a.one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b.one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c.one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.
Answers: 1
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