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Wittaler [7]
2 years ago
5

20 POINTS! Why is it important to use a controlled experiment?

Biology
2 answers:
Otrada [13]2 years ago
8 0

B. So you can be certain of the link between the variables
that’s the answer
gregori [183]2 years ago
3 0
Answer is B !!!

you have to know what youre doing
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Why do so many people believe there is a link between autism and the measles, mumps, and rubella vaccine?
alexandr1967 [171]
The measles, mumps and the rubella vaccine [MMR] is usually given to children twice before the age of 7.  The first dose is given between age 12 to 15 months while the second dose is given between the ages of 4 and 6. Many people link the MMR vaccines to autism because of a scientific publication that was published in 1989. The research study reported a link between autism and MMR vaccination. This publication has been discredited.
Also, the period of during which the first dose of the vaccination is usually given coincides with the time when parents usually notice developmental abnormalities in their children.
3 0
4 years ago
You identify a new species of microorganism in an undersea thermal vent. The microbe is a single cell organism that lacks a nucl
Alenkinab [10]

The domain of the new species of unicellular microorganism in an undersea thermal vent that lacks a nucleus is Archeae.

<h3>What is domain?</h3>

Domain in biology refers to the highest rank in the classification of organisms, above kingdom.

The three domain of organisms are as follows:

  • Prokarya or Bacteria
  • Archaea
  • Eukarya

Members of Prokarya and Archaea do not possess a membrane-bound nucleus, however, the major difference between them is that members of domain Archaea are found in extreme habitats e.g. hot regions.

Therefore, the domain of the new species of unicellular microorganism in an undersea thermal vent that lacks a nucleus is Archeae.

Learn more about domain at: brainly.com/question/13113489

#SPJ2

6 0
2 years ago
PLEASE HELP!!!..........
Zepler [3.9K]

Answer:

willows, lynx

Explanation:

6 0
3 years ago
A hypothesis is a statement that can be tested through a scientific investigation. What is the purpose of writing a hypothesis?
Akimi4 [234]
A- building a hypothesis can better help you build more questions off of the experiment and can help you build even more hypothesis’s if needed
4 0
3 years ago
As microscope technology improved over time, the magnification became advanced enough to discover cells in the 17th century. Thi
spayn [35]

Answer B) Cell division demonstrates that cells come from pre existing cells.

8 0
4 years ago
Read 2 more answers
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