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
Dahasolnce [82]
3 years ago
12

What is a test variable? Give an example

Biology
1 answer:
babunello [35]3 years ago
4 0
If a scientist conducts an experiment to test the theory that a vitamin could extend a person's life-expectancy, then: The independent variable is the amount of vitamin that is given to the subjects within the experiment. This is controlled by the experimenting scientist.
You might be interested in
Next in abundance of the organs composing the lymphatic system are the they are found throughout the body along the course of th
Dmitry_Shevchenko [17]
<span>Lymph nodes are abundant organs comprising a major part of the lymphatic system, and can indeed be found throughout the body, connected by the lymphatic vessels. However, the highest concentration of clustering occurs within in the inguinal region, cervical region, and axillary region.</span>
3 0
3 years ago
What is the Law of DNA cloning?
Iteru [2.4K]

Answer:

The replication of a human being through the production of a precise genetic copy of nuclear human DNA or any other human molecule, cell, or tissue in order to create a new human being or to allow development beyond an embryo.

Explanation:

4 0
3 years ago
Is an oak tree leaf an autotroph?
yarga [219]

Answer:

no

Explanation:

4 0
3 years ago
Read 2 more answers
Help me pls ASAP !!<br><br> (Extra points)
alexandr402 [8]
The Answer should be A
7 0
3 years ago
Why cells are sometimes called the building block of life?​
Andrew [12]

Answer:

cell is the smallest unit of life, also called the 'building blocks of life' because cells multiply and differentiate to form a multicellular organism as well as give rise to new organism by forming gametes or reproductive spores.

7 0
3 years ago
Other questions:
  • Which of the following best states the difference between inductive reasoning and deductive reasoning?​
    8·2 answers
  • Which muscle is the woman using to lift the ball over her head?
    7·1 answer
  • What is the result of a mutation during meiosis?
    14·2 answers
  • What process do producers go through to obtain energy?
    14·2 answers
  • I need to know which are prokaryotes and which are eukaryotes please!
    13·1 answer
  • 8. Albinism is a harmful mutation where animals are completely white. This mutation is harmful because individuals are more easi
    15·1 answer
  • Why are some samples stained before viewing them?
    15·1 answer
  • Identify the three reasons cell division is important
    15·2 answers
  • Both bacteria and viruses
    13·2 answers
  • Is there DNA in your food? How do you know?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!