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maks197457 [2]
3 years ago
14

According to Darwin, evolution occurs:

Biology
1 answer:
Rashid [163]3 years ago
8 0

Answer:

A

Explanation:

it takes time for organisms to adapt to their enviroment and requires natural selection to occur in order for the organism to fully adapt, if that makes sense

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Which clouds is in layers
olasank [31]

Answer:

Polar stratospheric clouds are all in higher layers of the Earth's atmospheres.

I took the test last week

4 0
3 years ago
When Amanda poured some of the liquid in a test tube, she noticed that the edges of the water curved upward, which is an example
gavmur [86]

When Amanda poured some of the liquid in a test tube, she noticed that the edges of the water curved upward, which is an example of adhesion.

When Pol filled another test tube to the top, the liquid formed a low dome, which is evidence of cohesion.

When Amanda added table salt to the first test tube and shook it, she noted that the liquid had dissolved the solute.

All of these observations indicated the presence of covalent bonds.

Pol determined that the pH of the sample is 7, which shows the sample is neutral.

Based on all of the evidence Amanda and Pol gathered, the unknown liquid is water.

8 0
3 years ago
Drag and drop the terms at the left to match the appropriate descriptions at the right. ResetHelp Composed of phospholipid bilay
quester [9]

Answer: The appropriate description is matched against the components of the cell below.

1) Cilia: Short, hairlike cellular extensions

2) Ribosome: Site for protein synthesis

3) Chromatid: Copy of a chromosome

4) Cristae: Folds of the inner mitochondrial membrane

5) Lysosomes: Vesicles with powerful digestive enzymes.

6) Smooth ER: Stores calcium ions in muscle cells

7) Plasma membrane: Composed of phospholipid bilayer

8) Cytosol: Intracellular fluid

9) Cytoplasm: Intracellular fluid and organelles

10) Centriole: Involved in mitosis.

Explanation:

A cell is simply defined as the structural and functional unit of an organism. It is made up of highly organized physical structures called intracellular organelles. These organelles includes:

• Ribosome

• Lysosomes

• Smooth Endoplasmic reticulum

• Plasma membrane

A type of cellular motion called ciliary movement, is a whip-like movement of CILIA on the surface of cells takes place in the respiratory airways of human.

The cytoplasm is filled with both intracellular fluid and organelles while the cytosol contains mainly dissolved proteins, electrolyte and glucose ( intracellular fluid).

7 0
3 years ago
What are reproductive cells called?​
yKpoI14uk [10]
Gametes I think? Yeah.
6 0
3 years ago
Read 2 more answers
A nurse is caring for a patient who is experiencing a flat affect, paranoid delusions, anhedonia, anergia, neologisms, and echol
Olin [163]

Since the options have not been given, the question is incomplete. The complete question is as follows:

1. Paranoid delusions, anhedonia, and anergia are positive symptoms of schizophrenia.

2. Paranoid delusions, neologisms, and echolalia are positive symptoms of schizophrenia.

3. Paranoid delusions, anergia, and echolalia are negative symptoms of schizophrenia.

4. Paranoid delusions, flat affect, and anhedonia are negative symptoms of schizophrenia.

Answer: 2. Paranoid delusions, neologisms, and echolalia are positive symptoms of schizophrenia.

Explanation:

The positive symptoms of schizophrenia includes the paranoid delusions, echolalia and neologism whereas the negative symptoms of the schizophrenia includes the anhedonia, anergia and flat affect.

Positive symptoms are the indicative of disturbance or inability to perform the normal functions whereas the negative symptoms refer to the loss of the normal functioning of the body or diminution. Positive symptoms include all the feelings or behavior which are not true in the real sense. The sense organs may feel stimuli like taste, heeling, observing that are not always true. In the negative symptoms the person may show lack of interest from the reality.

5 0
3 years ago
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