BIOLOGY HIGH SCHOOL

explain why you cannot draw a conclusion about the effect of one variable in an investigation when the other key variables are not controlled

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Answer 1
Answer: The variables that aren't controlled can effect the results as well as the variable you are controlling. With more that one key variable changing, you cannot draw a conclusion about the effects of any of them.

Related Questions

From a population of red brown orange yellow and green butterflies only the red and green ones survive since they can blend into their environment and reduce predation. Which evolutionary mechanism is involved?
Which of the following is true regarding audience?A. Consideration of the audience is less important than the message of an essay. B. An author should write for himself first; the audience is secondary. C. If you don't address your intended audience, there is still a good chance that your message will be conveyed successfully. D. Words and examples must be chosen appropriately to address the audience.
Which structure in the kidneys' nephrons is mainly responsible for the filtration of the blood?
What organelles are in a white blood cell ?
Technology best described as :A: A system the government uses to oversee scientist B; an organized method for doing scientific research C: the use of science to answer ethical question D: the application of science to solve practical problems

Antibiotics are the treatment of choice for __________.

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Antibiotics are the treatment of choice for bacterial diseases.

List two adaptations the cave glow worm has for capturing prey in a cave?​

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Answer:

Glow worms have a luminescent glow called bioluminescence or glowing light, to attract small insects that emerge from the leaf litter and water to where the glow worms reside. The glow worms construct "snares" (like a spider's web) made from silk threads and sticky droplets to capture and eat the insects attracted to their glow.

Answer

List two adaptations the cave glow worm has for capturing prey in a cave. droos a line of silk to trap palle - silk comes from glands in the mouth. a produces light to lure pret a insects are drawn towards light and get trapped in 3. What is the single biggest challenge for living organisms in caves?

Explanation:

A newly formed volcanic island has appeared in the Pacific Ocean. Analyze each of the sequences in the primary succession of species colonizing a newly formed island and select the answer choice that reflects the correct sequence.

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Answer:

The correct order is  

Bare rock, lichens, small annual plants, perennial herbs and grasses, shade intolerant trees

Explanation:

Please see the attachment

Answer:

 

D)  

bare rock, lichens, small annual plants, perennial herbs and grasses, shade intolerant trees

Explanation:

took the test

A food chain is made up of interrelated food webs. true or false

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The answer to your question is False

Which medical advancements are possible using these stem cells? What ethical issues could erise from using embryonic cells to adult stem cells?

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Answer:

  • Stem cells are used to restore or replace tissues that were damaged by disease or injury such as heart attack, also it used to type 1 diabetes which is caused when immune system destroy the beta cells in the pancreas that are responsible to make insulin. Spinal cord injuries can also be cured with the Stem cell therapy.
  • Embryonic stem cell research is ethically controversial because it involve the destruction of human embryo or human life for research.

An enzyme is a form of what?
a. DNA
b. glucose
c. protein
d. lipid

Answers

Answer: C. Protein

Explanation:

Enzymes are a type or form of proteins as they are also made up of amino acids, which are the building blocks of proteins. These amino acids will dictate how it will function.

Enzymes function to speed up chemical reactions within cells.

Other Questions
How was the process used to construct the tree of life by Carl Woese different from the process used by Jill Banfield?
What is the most important reason to control the conditions of an experiment? to make the experiment easier. to repeat to reduce the amount of data that must be recorded. because this is necessary for graphing the data. because this is necessary for the data to be valid.
Carbon dioxide is released through __________.a. Burning of forests c. combustion of fossil fuels b. Respiration d. all of the above
The protoplasm and cytoplasm of a plant are interchangeable terms