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oksano4ka [1.4K]
4 years ago
9

What is the rule of a control group in any experiment

Biology
1 answer:
Mashcka [7]4 years ago
7 0

A control group in a scientific experiment is a group separated from the rest of the experiment, where the independent variable being tested cannot influence the results. This isolates the independent variable's effects on the experiment and can help rule out alternative explanations of the experimental results.

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Why are algae plant like considered to be one of the most important organisms on our planet
Vesnalui [34]
Algae plants are considered to be one of the most important organisms on our planet because it produces a lot of the Earth's oxygen. All plants produce oxygen, but algae produces more than the usual green plant.

Your answer is: Produces most of the Earth's oxygen 

Have an amazing day and stay hopeful!

5 0
3 years ago
Rhizobium A. fix nitrogen inside nodules on the roots of legumes.B. resemble fungi.C. produce antibiotics.D. produce a gall in p
Marina CMI [18]

.Answer:

Option A, fix nitrogen inside nodules on the roots of legumes

Explanation:

Rizhobium bacteria live in symbiotic relationship with roots of leguminous plants such as pulses including alfalfa, soybean etc.

Rhizobium or Bradyrhizobium  is a gram negative bacteria that satisfies the nitrogen starvation of host plant.  

These bacteria get habitation and nutrition from these leguminous plants and in return they fix the nitrogen into the nodules of the roots. This is a kind of facultative association between soil bacteria rizhobium and legume plants.  

Hence, option A is correct

Thus, option A is correct

4 0
3 years ago
Select all that are true for the image above. Prokaryotic
Lynna [10]

Answer:

I definitely think that is plant, I am not sure about the other ones

8 0
3 years ago
HELP ME PLSSSSS WILL MARK BRAINLIEST:
Lina20 [59]

Answer:

Power is measured at three different levels pertinent to flapping flight. The first level is metabolic power input (P met) to the muscles, directly of interest to a flying, foraging bird, and generally a realm of study for respiratory, thermal and chemical physiologists.P met is the rate the bird expends chemical energy to supply the flight muscles, and it may be measured using double-labeled ...

6 0
2 years ago
A human liver cell has a different size and shape from a human muscle cell. What is the best explanation for these differences?
mylen [45]

Answer:

A

Explanation:

<u>A human liver cell would have a different size and shape from a human muscle cell because they perform different functions in the body.</u>

<em>The shape a cell would assume and its size depends on the function the cell performs. The functions of the liver in the body of humans differ greatly from the functions of muscles. While the former helps in detoxification, deamination, digestion, etc., the latter helps in support, movement, etc. </em>

The correct option is A.

6 0
3 years ago
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