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
Alja [10]
3 years ago
15

How many variables are changed in a controlled experiment

Biology
1 answer:
Snowcat [4.5K]3 years ago
8 0

Answer:

One

Explanation:

In a controlled experiment only one variable is changed at a time, while the others are kept the same/controlled so changes can be observed and a causation can be determined.

You might be interested in
Give 2 reasons why cells divide
Katarina [22]
Cells divide for growth, to repair tissue damage, and because the nucleus can only control a certain size of cell.
4 0
4 years ago
Which of the following are FALSE concerning microbes?
Novay_Z [31]

Answer:

Option c) is false from all other options

Explanation:

Option A) microbes are also known as decomposes because they break down organisms.

Option B) they help in producing nutrients in our body like good bacteria.

Option C) Plants generate oxygen during photosynthesis.

Option D) Microbes can even be bad cause the carry diseases after they eat dead organisms..

Hope you understand

3 0
3 years ago
The colon is part of this
lesya692 [45]

Answer:

a. large intestines

Explanation:

5 0
3 years ago
Which statement describes prey?
Masja [62]

Answer:

They are killed by predators for energy

4 0
3 years ago
Why is a punnett square used in genetics?
vaieri [72.5K]
The Punnett square is a diagram used to predict the result of a breeding experiment through analysing predictable traits which will be passed on genetically by each organism. This diagram helps to identify the probability of an offspring having specific genotypes and characteristics after the breeding process. This is determined by placing the parent genotypes into the diagram and crossing them. 
6 0
3 years ago
Read 2 more answers
Other questions:
  • Which is a change early farmers made to their environment? A. They planted orchards. B. They burned undergrowth. C. They created
    6·1 answer
  • Which is the best definition of a cellular membrane
    9·2 answers
  • Which factor has greatest importance in determining the characteristics of an aquatic ecosystem? A. day length B. water depth C.
    9·2 answers
  • The zone is the point along the shoreline between the highest high-tide line and the lowest low-tide line.
    5·1 answer
  • HELP ME ASAP!!!!!!!!!!!!!!!!
    13·1 answer
  • Which of the following statements accurately describes the relationship between coral reefs and aquatic organisms?
    7·2 answers
  • What do you think might happen if temperatures rise much higher than 30 degree celsius
    11·1 answer
  • How are Metamorphic Rocks formed?
    10·1 answer
  • Fossils are most common in which rock types?
    6·2 answers
  • I'm at school and I need help <br><br><br> 100points for the answer
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!