Read the observation, question, and hypothesis. Then, choose the dependent variable from the list.
- Observation: Most hummingbird feeders are red.
- Question: Are hummingbirds attracted to the color red?
- Hypothesis: Hummingbirds are more attracted to red feeders than nonred feeders.
The dependent variable in this case is
the color red
hummingbird feeders
hummingbird behavior
bird watching
Answers: 1
Biology, 22.06.2019 07:00
The distant ancestors of tigers may have had bodies without stripes. use the theory of natural selection to explain how tigers may have evolved to have stripes.
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Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.
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Biology, 22.06.2019 19:10
which is an effect of short-term environmental changes? a) adaptation b) speciation c) extinction d) death (5 points)
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Sperm are ejaculated from the corpora cavernosa of the penis. true or false
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Read the observation, question, and hypothesis. Then, choose the dependent variable from the list.
History, 20.11.2019 01:31