What is the most important reason to control the conditions ofan experiment

2 answers:

6 0

The most important reason to control the conditions of an experiment is to make sure that the environment is affecting the results of the experiment--which would void the study.

Scilla [17]2 years ago

4 0

It is very important to control the conditions of an experiment because FAILURE TO DO THIS WILL MAKE THE RESULTS OF THE EXPERIMENT INVALID.

A controlled experiment refers to an experiment that is conducted under controlled conditions. Conducting experiments under controlled conditions helps scientists to minimize the changes in all other variables with the exception of the ones been tested.

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If you are driving down the road, how do you know that the car is moving (think about your reference point)?

NISA [10]

If your car is changing speed by accelerating or decelerating, or changing directions by turning or hitting a bump, your body can sense these accelerations. You might be pressed against the back of your seat while speeding up or against the car door as you turn for example. If you are cruising at a constant speed, with no changes in speed or direction, you wouldn't be able to feel it. You would need to use your other senses. You could see the scenery going by through the windows, with closer objects moving by more quickly than objects in the distance. You could also hear sounds like the wind rushing by and the hum of the tires rolling on the highway.

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What would the oxygen measurements be on either side of the apparatus if there were no fish in it and the two chambers were full

svetlana [45]

Your answer should be “C”

3 0

3 years ago

PLEASE HELP! WILL GIVE BRAINLIEST AND POINTS!

natulia [17]

Answer:

A. Lancelet

B. All chordates

Explanation:

A. Dorsal nerve chord is the only unique feature among all members of phylum chordata (mainly found in subphylum Vertebrata). In the given list, only lacelet is the Chordate whereas snail belongs to phylum Mollusca, grasshopper belongs to Arthropda, and jellyfish belongs to Cnidaria. Dorsal nerve cord runs along the length of organism's body.

B. Gill slits are opening structures to gills through which water passes from pharynx/throat to exterior. Their main purpose is to help filter the food particles available in surrounding water. Although they are typical for amphibians and fishes, chordates also possess gill slits at embryonic stages.

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Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. Single-celle

Nat2105 [25]

For the first question the answer is D
For the second question the answer is B

8 0

2 years ago

According to classification, if two organisms are in the same class, then they must be in the same kingdom and A) family B) orde

mario62 [17]

The correct option is C.

if two organisms are in the same class then they will be in the same phylum. The biological classification hierarchy is arranged in such a way that, two organisms who belong to a lower division on the hierarchy will automatically be in the same group in the higher division.

The arrangement from the smallest to largest hierarchy is this: specie, genus, family, order, class, phylum and kingdom.

8 0

2 years ago