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Anika [276]
3 years ago
5

How are control and variable related

Biology
1 answer:
andreyandreev [35.5K]3 years ago
8 0
An independent variable is the variable that is changed. A dependant variable is the variable that is measured. And the control refers to all the other variables that need to be controlled in the experiment.
For example, if you were to conduct an experiment to see how quickly different amounts of water boiled; the independent variable would be the amount of water, the dependant variable would be the time it took to bail and the controlled variables would be the type of water, the temperature and type of heat source, etc.
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Which characteristics do single celled organisms and multicellular organisms have in common
vichka [17]
They all contain at least one cell, and they need need food, water, energy, and living space to survive. They are both considered living organisms as well. They depend on abiotic and biotic factors in an ecosystem to survive.
6 0
3 years ago
HELP PLEASE!!!!!!
allochka39001 [22]

Answer:

They probably use aerobic respiration.

Explanation:

A travel distance of 11.500 kilometers in 9 days covered by flying surely requires a lot of energy.

  • If cells are fermenting, the ATP (energy) they generate only comes from glycolysis, which produces 2 ATP molecules.

  • If they are using aerobic respiration, glucose is completely oxidized to CO₂ through glycolysis and the Citric Acid Cycle, and the electrons enter the electron transport chain to finally reduce oxygen into water. In the complete process, up to 36 ATP molecules are produced.

In sum, aerobic respiration is much more efficient to generate energy than fermentation, so it's probably the main metabolism of the flight muscles in bar-tailed godwits.

4 0
3 years ago
When natural sources of ionizing radiation become increased because of accidental or deliberate human actions such as mining, th
MatroZZZ [7]

The question is incomplete as it does not have the options which are:

artificial

enhanced natural

extraterrestrial

manmade

Answer:

Enhanced natural resources

Explanation:

Natural resources are the resources used by the humans for survival present in the environment or provided by the surrounding environment.The natural resources includes the wood, gas, air, water and other substances.

The substances which emits harmful radiations like radium, thorium, uranium are known as radioactive isotopes.

When these ionizing radiation emitting natural substances increases in the environment due to human activities like the particle accelerators, X-rays and other methods which produces these substances then these substances are refereed to as the enhanced natural substances.

Thus, Enhanced natural resources is the correct answer.

6 0
3 years ago
Complete the graphic organizer to describe the two different meanings of the term cell growth.
lakkis [162]

Answer:

I have no clue what this is but um

"The increase in cytoplasmic volume, as in cell development and cell reproduction. The increase in size or population of cells, as in mitosis. When used to describe the growth of cell populations, cell growth refers to the growth and division of the “mother cell” into two “daughter cells".

Explanation:

please mark as brainly

4 0
2 years ago
All transport through the cell membrane is classified as __________
xeze [42]

passive transport would be the answer to your question

8 0
3 years ago
Read 2 more answers
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