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Elis [28]
2 years ago
6

Pls can someone help with my hw?

Biology
1 answer:
Deffense [45]2 years ago
3 0

The experimental designs are used in research to analyze and observe the changes to determine the result. In test tube, A (test) the lime water will turn milky, and test tube B represents the control.

<h3>What is an experimental design?</h3>

An experimental design is a setup that is used to observe and compare the test results of the control from the test group. Here, test tube A is the test and B is the control group.

From the experiment, the lime water in the test group will turn milky as there is cricket on the gauze of the tube. The cricket will release carbon dioxide as the result of cellular respiration and in return will react with lime water to produce a milky solution.

Test tube B, act as control as only lime water is present but the cricket is absent. It will be used to compare the results with the test group and will help in determining the role of carbon dioxide.

Therefore, the lime water will turn milky in test tube A.

Learn more about experimental design here:

brainly.com/question/13307362

#SPJ1

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Which of the following is an example of specific immunity?
zvonat [6]

Answer:

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Explanation:

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You observe two populations of chimpanzees using sticks to dig termites out from nests for food. One population uses long sticks
icang [17]

Answer: B. The population using long sticks has mostly long sticks in its environment

Explanation:

Going back to the statement that reiterates the hypothesis after observations about the apes in the Introduction.

Reviewing the findings in this case, on the behavior of using sticks to dig seem to be the focus the experiment and choice length of the stick.

Making a judgment about whether or not the two finding has been supported is next step.

If there are equal numbers of short and long sticks in the environment of each population and the apes chooses one specific we can say their behavior is learned.

 If the chimpanzees using short sticks have made the the sticks short by breaking long sticks then we can say this behavior is learned.

When the Young chimpanzees in both populations start out using sticks of many different sizes we can see that these variables of learning is yet to be perfected.

When individuals in the population that don’t use the common stick length for that population catch fewer termites this reveals a randomness in the behavior of interest.

At this point we can say that if the population using long sticks has mostly long sticks in its environment then there is a biased objective in the study and this does not support the hypothesis that the choice of stick length is a learned behavior.

3 0
3 years ago
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Answer:

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Read 2 more answers
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