Answer:
A control group setup in an experiment is used to see if there are other variables in play during the experiment. Say I was to test which type of blood is a shark's favorite, my control would be putting red paint in one of the set ups to see if the shark is just interested in the red color of blood, instead of the other types of blood.
Explanation:
<span>2) higher genetic variation among the offspring</span>
DNA fingerprinting is used to analyze the DNA sample and identify the criminal. The DNA has a set of the portion, which is different in all unrelated people, and this is unique to every person. This is used as a fingerprint and is used to identify a person, in a crime scene.
Answer:
A.true
Explanation:
"""During their 150 million year existence, animals changed drastically in size, body, shape, and flying ability. a modification of an organism or its parts that makes it more fit for existence."""
Is this it?
<u><em>After egg hatches, the immature insect feeds and grows. Its exoskeleton is like a shell. Eventually, the larva or nymph must shed its unyielding overcoat to continue its development.
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<u><em>The exoskeleton which serves as its external backbone is used for protection and support. Without an exoskeleton, the insect could not survive. An old exoskeleton is shed when a new one is ready underneath, a process that can take days or weeks.</em></u>
