1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ryzh [129]
3 years ago
8

What is the difference between a control and a variable?

Biology
1 answer:
Alla [95]3 years ago
3 0
N an experiment the "control" is the group of people or object this is used to measure the effect of the variable. The "control" is the thing that does not change and is not the thing in question.

In an experiment the "variable" is the thing which is changed and manipulated by the experimenter. It is the effect of something,

Example: You want to test a drug. you get a group of 40 people. 20 people are given the pill, 20 people are not given the pill but a sugar pill. the people who have the pill is the "variable" and the people who dont have the pill is the "control".
You might be interested in
What are two ways to conserve water
xeze [42]

Hi!


You can take shorter showers, and fix any leaky faucets!



Hope this helps!

Please mark me brainliest!


~Courtney

4 0
3 years ago
Read 2 more answers
7. Which kingdom includes the most eukaryotic unicellular organisms?
aalyn [17]
It’s A ok cjcydufufxycucjfhxycifyfyy it dug my yogi
5 0
3 years ago
3. What will likely happen to New York and Europe in the future?
Ksju [112]

Answer:

In my opinion Europe and New York would probably grow, depending on how many people join their population.

Explanation:

I say this because many people love Europe and New York that they visit many times and most people go over their to stay for good.

4 0
3 years ago
In eukaryotes, extranuclear inheritance occurs when genetic information is transmitted by mechanisms other than through nuclear
Vlad [161]

Answer:

- cpDNA organization is more similar to that of prokaryotes than eukaryotes

- chloroplast chromosomes contain genes that are involved in photophosphorylation

6 0
3 years ago
How long after the formation of Earth did the first life appear?
djyliett [7]

Answer:

4.54 billon years

Explanation:

the earliest time that life forms first appeared on Earth is at least 3.77 billion years ago possibly as early as 4.28 billion years

6 0
2 years ago
Other questions:
  • How did you obtain genomic dna from your unknown bacteria?
    14·1 answer
  • What is identical for every cell in the 4 organs?
    14·1 answer
  • Describe the cycle that involves soil decomposed and other living things
    13·1 answer
  • An atom has 6 protons and 8 neutrons. Whats its atomic mass
    8·1 answer
  • In a dihybrid cross of two heterozygous individuals you epect a 9:3:3:1 phenotypic ratio in the offspring, but observe a ratio o
    8·1 answer
  • How are Earth and Venus similar? And what are there differences?
    11·2 answers
  • Helphelphelp i accidentally blocked out c and d on my last one
    6·1 answer
  • Why is the cell theory and the theory of evolution considered theories ?
    5·2 answers
  • How does the process of meiosis affect the genetic information that offspring receive?
    13·1 answer
  • The fact that rats raised in cages with toys have more dendritic spines and more synapses per neuron than rats raised in cages w
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!