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spayn [35]
3 years ago
12

Which of these describes the B-cells within the immune system ?

Biology
1 answer:
jeyben [28]3 years ago
6 0
<h2>Answer:</h2>

The option D is correct.

<u>B cells are memory producing cells.</u>

<h3>Explanation:</h3>

As B cells are the specific receptor  cell, after immunity to certain infection of the foreign particle, there is a function of acquired immunity is the protection of the body from that particular infection for the whole life which is done by <u>memory cells of B lymphatics.</u>

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What problems would you expect to observe in an ecosystem without producers? Be sure to answer this question in paragraph form u
Cloud [144]

The producers are the main source of the food production in the ecosystem. The producers are the organism, which convert the energy from the sunlight into the chemical energy. The consumers use this chemical energy for carrying out the metabolic processes in their body.

Without producers, the consumers cannot obtain their energy. Hence, the ecosystem without any producer would not survive.

8 0
3 years ago
Which statement best describes the relationship of photosynthesis and energy?
Alexxandr [17]
<span>The process of photosynthesis is energy-storing because the process converts light energy into chemical energy, which stored in the bonds of glucose.

</span><span>Photosynthesis transforms light into chemical energy that is stored in the form of ATP inside plants. Therefore, it is an energy storage process.

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4 0
3 years ago
The observation that members of a population are uniformly distributed suggests that A. resources are distributed unevenly. B. t
ANEK [815]

The observation that members of a population are uniformly distributed suggests that   the members of the population are competing for access to a resource.

Option B is correct.

What is a resource ?

A resource is any physical material constituting a part of Earth that people need and value. Natural materials become resources when humans value them. The uses and values of resources change from culture to culture and from time to time. Resources are spatially distributed varying in quantity and quality.

Why the resources are important?

Resources are necessary for citizenry because of the following reasons: Resources when used as a raw material satisfy the needs and comforts of human beings. Natural resources are a source of agricultural activities which adds to the economic importance. They also provide employment opportunities.

Learn more about resource :

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5 0
1 year ago
When you press on the gums, release the pressure, and then measure the time it takes for the gums to return to the starting colo
katrin2010 [14]

Answer:

Capillary refill time

Explanation:

Capillary refill time refers to the time that it takes for color to return to an external capillary bed after pressure has been applied (which causes blanching). Usually, on healthy individuals, capillary refill time takes less than 2 seconds. If the time is much longer, this could indicate problems such as shock, dehydration or peripheral artery disease.

3 0
3 years ago
Which of the forest management practices keeps the florist in a state of mid to late succession
Ivahew [28]

D. seed-tree cutting

3 0
3 years ago
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