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Savatey [412]
3 years ago
6

Data samples in which you expect no change to occur are_____.

Biology
1 answer:
mina [271]3 years ago
5 0
The answer is negative controls. These are groups where no phenomenon is probable. They ensure that there is no effect when there should be no effect. Where there are only two possible outcomes, e.g. positive or negative, if the treatment group and the negative control both produce a negative result, it can be concluded that the treatment had no effect. If the negative control group and the treatment group both yield a positive result, it can be inferred that a puzzling variable is involved in the occurrence under study, and the positive results are not only due to the treatment. In other examples, outcomes might be measured as lengths, times, percentages, and so forth.
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A dogfish shark contains 24 chromosomes in each of its muscle cells. How many chromosomes are normally found in each of its game
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6 0
3 years ago
Will give brainliest plz help <br> Answer 12
marusya05 [52]

Answer:

The 2 ways abiotic factors affect biotic factors are as follows:

  1. An alligator submerges itself under water to stay cool in the summer.
  2. A naked mole rat creates burrows underground.

Explanation:

Abiotic Factors:

All non-living factors that is present or influences an ecosystem. Abiotic factors determine the dynamics of an ecosystem such as the terrain, the atmosphere as well as the inhabitant flora and fauna. Water, sunlight, oxygen, temperature, and soil are all abiotic factors.

Biotic Factors:

All living factors in an ecosystem i.e. the plants and animals.

Lets analyze all the options:

  • A bird picking food out of an alligator's teeth is an interaction between 2 biotic factors, the bird and the alligator or in another case, the bird and the food.
  • Water being oxygenated is an interaction between 2 abiotic factors: water and oxygen.
5 0
2 years ago
What does regulates mean
Vaselesa [24]
To control,maintain a rate or speed
6 0
3 years ago
Read 2 more answers
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