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ycow [4]
2 years ago
6

Demonstration of Learning:

Biology
1 answer:
Zanzabum2 years ago
8 0

Answer:

1- B eukaryotic cells have a nucleus while prokaryotic don't

2- C

3- D

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Explain some of the processes involved in a scientific investigation.
Dominik [7]

Answer:

The steps involves making hypothesis, deriving predictions from the logical consequences and then carrying out experiments based on those predictions.

Explanation:

Step 1: make a observation .

Step 2: Formulate a statement or question.

Step 3: Form  the hypothesis .

Step 4: make a prediction based on the hypothesis.

Step 5: test the hypothesis whether its true or not.

Step 6: use the results to conclude the experiment.

8 0
3 years ago
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Science what is Biology?
Bingel [31]

Answer:

study of life

Explanation:

bio means life and logy is study

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3 years ago
When a substance changes into a different substance, a _____ change has occurred.
Yuri [45]

a phase change occurs

e.g ice into water

4 0
3 years ago
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What is the optimum temperature range for steelhead trout?
Elina [12.6K]

Answer:

Explanation:

the MWMT should not exceed 17-18ºC, and daily maximum temperatures should not exceed 21-22ºC to be fully protective of adult steelhead migration.

3 0
2 years ago
Epsom salts are solutes that do not pass through cell membranes. If one soaks in a hypertonic solation of Epsom salts, which of
IceJOKER [234]

Answer:

B

Explanation:

The net movements of water from the region of higher water potential  to the region of low water potential through  a selectively permeable membrane is osmosis. It is a form of diffusion which involves the transport of water molecules.

In this present scenario  water molecules  pass through the selectively permeable membrane from higher water potential in the body, to lower water potential but high solute potential (Epsom salts). The later is called an hypertonic solution,this is because it has higher solute potential ,thus higher salt concentration than the surrounding medium,therefore water pass by osmosis into the Epsom salts.

If one is placed in this solution,the cells shrink as they lose water to the more concentrated Epsom.(hypertonic solution)

However, the body homeostatic mechanism through the kidney  ensure re-absorption of fluid back to the body from the DCT  and CT, via  anti diuretic hormone to preserve the cell and the person.

3 0
3 years ago
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