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Pavlova-9 [17]
2 years ago
5

Can organisms plan and willingly change their

Biology
1 answer:
kotegsom [21]2 years ago
4 0

Answer:

No

Explanation:

Organisms cannot willingly change their mutations as these things occur by chance and within the genetic code which the organisms have no direct power over.

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3. If the solute concentration in the water is high (hypertonic solution), does water move
sdas [7]

Answer:

its flows out

Explanation:

i hope ill help

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7 0
3 years ago
cell organelles In this lab, you will try to view as many cell organelles as you can at different magnification levels. Write an
CaHeK987 [17]

Answer:

What is the effect of power/magnification on the frequency and size of organelles under a microscope?

Explanation:

Organelles within the cell are responsible for carrying out various functions. Some cells are more specialized than others, and may have particular organelles at a higher frequency, or showing a variation in size; sub-cellular structures become more visible at higher magnifications under the microscope.

Hypotheses:

  • organelle A's frequency decreases while B's frequency increases at higher magnifications
  • organelle A's size increases while B's size decreases at higher magnifications

<em />

<em>Dependent variables: size and frequency cell organelles</em>

<em>Independent variable:  power/magnification at low (x4), medium(x10) and high  (x40)</em>

<em>Controlled variables: Type of organelles, microscope used, cell examined, </em>

Method:

1. Examine the organelles A and B in a cell mounted on a slide; use the fine adjustment to focus on the cell.

  • Frequency:  What is the average number of organelle A versus B, seen at low (x4), medium (x10) and high (x40) magnifications?
  • Size: Measure the average diameter of organelle A versus B using an ocular micrometer at low, medium and high magnification.

2. Record and tabulate observations.

5 0
3 years ago
Read 2 more answers
For a scientist, assessing the validity of information requires
ahrayia [7]

Answer:

The correct answer is letter C. Experimentation.

Explanation:

For a scientist, assessing the validity of information requires experimentation. In statistics and sciences, the validity of an information has no agreed definition but it generally refers to the how the concept is being experimented before reaching to the point of conclusion.

7 0
3 years ago
Read 2 more answers
HELP QUICK PLEASE!!<br> i think it is B but im not sure
zalisa [80]
YES your correct answer will be the letter B
3 0
2 years ago
Read 2 more answers
Which of the following is an example of an STD caused by a virus? 
Kamila [148]
Herpes would be one of them
8 0
3 years ago
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