I think the correct answer from the choices listed above is the last option. The control group to be used to test the hypothesis would be the swallows with average-length tails. A control group <span>is defined as the </span>group<span> in an experiment or study that does not receive treatment by the researchers.</span>
The respiratory system works directly with the circulatory system to provide oxygen to the body. Oxygen taken in from the respiratory system moves into blood vessels that then circulate oxygen-rich blood to tissues and cells.
Answer:
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Explanation:
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Answer:
Yes, the species of a lizard can be identified using dichotomous keys.
Explanation:
A dichotomous key is an identification tool used by the biologists especially taxonomists to identify and classify the organisms.
The dichotomous keys are based on the characteristic feature of an organism for which two which contains two contrasting feature. The dichotomous keys are the most common tools used to classify an organism.
A species of lizard can be identified using these keys by selecting the key characteristic feature shown by the species which could be quantitative like weight, height or it could be qualitative like colour. By comparing these characteristics, it becomes easy to identify the species.
