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Yuki888 [10]
4 years ago
13

How does your immune system remember a particular pathogen?

Biology
1 answer:
Setler [38]4 years ago
5 0
They form memory cells in which those cells remember the same pathogen for faster antibody production, in aid of future infections.
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Today, the continents of Europe and Asia and the subcontinent of India form a single landmass. True or false?
Juli2301 [7.4K]

Answer:

true

Explanation:

Because if you look on a map all three of them are altogether and not split apart making one big landmass.

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3 years ago
What causes an ecosystem to move from a primary successional stage towards a relatively-stable mature ecosystem?
Gnoma [55]

Answer:

The correct answer is "secondary succession, an ecological succession step where an area previously occupied by living beings is disrupted".

Explanation:

In ecological succession, an ecosystem changes and develops through a series of steps. The first step, is the primary successional stage where rocks or other sedimentary structures are colonized by microorganisms. The second step, where the ecosystems changes towards a relatively-stable mature stage, occurs when an area previously occupied by living beings is disrupted. This step is named secondary succession, and the most clear example of this phenomena occurs when wildfire clears oak and hickory forests.

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3 years ago
A series of steps that guide scientist to investigate questions about the natural world​
Fantom [35]

Answer:

I believe this would be The Scientific Method

Explanation:

6 0
4 years ago
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Karo-lina-s [1.5K]

Answer:

The correct answer is "motor unit - motor neuron".

Explanation:

Motor unit and motor neuron are related terms, however they could not be used interchangeably because a motor unit is not comprised only of a motor neuron. A motor unit is made of a motor neuron, skeletal muscle fibers and neuron's axonal terminals. Therefore motor unit is a more broadly term, and is referred to the units that coordinate the contractions of single muscles.

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4 years ago
Select the correct answer.
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