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algol13
3 years ago
11

A is an agent that causes disease. All are pathogens.

Biology
1 answer:
Luda [366]3 years ago
5 0
Bacteria, viruses, and parasites are all agents that cause disease. They are all pathogens. Please mark brainliest!!!! Thanks!!!!!!!
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The intricate plumage of male birds of paradise has become increasingly elaborate throughout their evolution due to females mati
jekas [21]

Answer:

3. sexual selection

Explanation:

Because artificial selection is the one made by humans like dog breeds.

Disruptive selection is when extreme values for a trait in a population are favored like big and small sizes. Stabilizing is when the trait is pushed towards the average. Sexual selection is when the trait aids in competition among individuals for access to preferred mates.

5 0
3 years ago
Which kind of molecule passes through the lipid bilayer of the cell membrane?
Setler79 [48]
Because the membrane is made of lipids, typically fat-soluble (non-polar) molecules are able to pass easily. In addition, smaller, uncharged polar molecules can also pass through. Use the attached diagram to help you understand. 

8 0
3 years ago
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Watch the video “Teen Stress.” Now, imagine that a friend confides in you that he is going to the doctor because he feels that s
vfiekz [6]

Answer:

questions:

Should I or can I eat salty foods?

Do I have to check my pressure immediately?

Do I have to follow a balanced diet?

Is it good to do physical activity?

Do I have to worry about the signs of eye flickering and headache?

Explanation:

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Blood pressure is also regulated by diets based on low sodium consumption, necessary calories and with great contributions of nutrients since cardiac or cardiovascular health is also essential in the face of possible formation of atheroma plaques.

The increase in blood pressure with the appearance of atheroma plaques is very common, and it is also the two most frequent causes of AMI (acute myocardial infarction)

4 0
4 years ago
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In plants, whats is hard, protective structure inside which sperm cells form? ovule or ovary or anther or pollen grain
nataly862011 [7]
The answer is the anther because an ovule and an ovary are female reproduction parts and a pollen grain does not produce sperm nor is it hard. 
4 0
3 years ago
How do cells maintain water balance through osmosis?
neonofarm [45]
Water then moves from cell to cell through the root cortex by osmosisalong a concentration gradient; this means that each cell is hypertonic to the one before it. In the centre of the root the water enters the xylem vessels. Water may move by diffusionthrough the cell walls and intercellular spaces.
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3 years ago
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