They have a nerve tissue located in the head end that can detect objects through its sense organs. The sense organs are sensitive to light, touch and vibrations.
Answer:
(C) The students
Explanation:
According to my research on the terminology used when conducting experiments, I can say that based on the information provided within the question the Who in this situation are the students. This is because the students are the one's conducting the experiment (Who).
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Im, sorry, what is the question here? I want to help you as much as I can, but I do not understand the question.
<span>Within the composition of stars, there are a number of distinct zones with different regimes of behavior. In the case of the Sun, the temperature profile listed above equates to that of the radiation zone, where the temperature falls over 5 million degrees Celsius. Thus the answer is B. radiation zone.</span>
Genetic variation is caused by mutations in the gametes and meiosis.
The large ears of the rabbits may help them hear when predators are coming. If they hear them coming, then they may be able to escape.
A polar bear with dark fur would be more obvious to its prey, who would more easily avoid him. The other white ones can blend in better and have a less chance of being detected by prey.
Organisms have genetic variation
The conditions change
The ones better at coping... survive
Survivors breed and pass on their variation
natural selection occurs
Some bacteria are more resistant
Antibiotic is added
Some bacteria survive
The survivors reproduce
Low levels of antibiotic remain
Charles Darwin
Hope I helped