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
Sever21 [200]
3 years ago
11

What is the purpose of using control groups in an experiment

Biology
1 answer:
Brums [2.3K]3 years ago
6 0
Typically you use experimental and control groups in an experiment. a control group is like the default, and the experimental is the one you actually experiment with.

for example if i run an experiment on the effects of food dye on a leaf stem, i’ll have my control group (the ones without food dye) to compare to the experimental group (the ones with food dye)

the control group is a way for scientists to see how an experiment truly affected or altered the subject

You might be interested in
Which of the following most directly influences a measurable outcome in an experiment. An independent variable A variable hypoth
Reika [66]

Answer:

An independent variable

Explanation:

An experiment consists of two variables viz: independent and dependent variable. Independent variable is the variable that the experimenter controls in order to influence or effect a change in the measurable variable called dependent variable. As the name suggests, the dependent variable is dependent on the independent variable.

For example, a scientist is trying to conduct an experiment on how the caffeine level in different types of drink affects the time of sleep in individuals. The independent variable in this experiment is the TYPE OF DRINKS because it is the variable controlled by the experimenter in order to influence the time of sleep (measurable outcome).

4 0
3 years ago
Which of the following statements is true about passive transport?
user100 [1]

Answer:

No cellular energy is needed in the Passive transport.

Explanation:

A movement of atomic molecules and ions throughout the cell membrane is known as passive transport. In this transportation of molecules no cellular energy is used.

As this movement is influenced by the tendency to grow as entropy, the energy is not in need unlike the active transport. Its rate depends on the permeability of cell membrane. There are four types of passive transport- facilitated diffusion, simple diffusion osmosis or filtration.

8 0
3 years ago
Skeletal muscle fibers are classified as ""fast"" or ""slow"" based upon what factor?
andrey2020 [161]

Answer:

Skeletal muscles fibre are classified base on how the produce energy.

Explanation:

Skeletal muscles fibres consist of bundles of cells that form muscles which contain myobrills.

Skeletal muscles are classified based on how the produce energy;

Type 1 or slow pitch muscle fibres are more efficient and last for a long period of time. They are use for postural maintenance or endurance. It use aerobic respiration to produce energy or ATP.

Type 11 or fast twitch muscle fibres use anaerobic respiration and are for short speed and fatigue more easily than type 1.

6 0
3 years ago
Read 2 more answers
You are looking at an artist's reconstruction of the fossil species Carpolestes simpsoni, which belongs to a group of animals th
attashe74 [19]

Answer:

B) Binocular stereoscopic vision, grasping hands and feet, and nails on the toes and fingers all co-evolved to enhance visual predation on insects in the terminal branches of trees.

Explanation:

A characteristic of the primates, when they evolved was the replacement of the claws by ones, the binocular vision, which generated these two characteristics the option to see and take better the insects and fruit in high branches

6 0
3 years ago
Which of these chemicals is definitely inorganic?
dexar [7]
<span>One that is made of nitrogen and hydrogen is definitely inorganic. Inorganic has these molecules in them.</span>
7 0
3 years ago
Other questions:
  • Which is an example of a community?
    8·1 answer
  • Which bone would a forensic anthropologist analyze to identify a victim as male or female?
    15·1 answer
  • Which term best describes the lowest elevation in a particular area that remains covered in snow all year ?
    15·2 answers
  • A tree grows and increases its mass explain why it is not a violation of the law of conservation of mass
    5·1 answer
  • While taking a difficult test, cindy's muscles tense and her heart pounds. these physiological responses are best described as?
    11·1 answer
  • Which is an example of radiation?
    5·2 answers
  • True or False: Alfred Wegener's hypothesis was immediately accepted by scientists in the early 1900s.
    15·1 answer
  • How is the mass number calculated for an element
    6·1 answer
  • Should cloning humans be legal? That is a tough question to answer. Human cloning is a complex issue, and as in many complex iss
    15·2 answers
  • PLEASE HELP ME ASAP :(
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!