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3 years ago

List the levels of the ecosistem from smallest to largest

Biology

1 answer:

Dmitry_Shevchenko [17]3 years ago

6 0

Individual < population < community < ecosystem < biome < biosphere

Hopefully this helped

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Which of the following white blood cells is not capable of phagocytosis?

denpristay [2]

Answer:

Lymphocytes

Explanation:

White blood cells ( leukocytes) is one of the formed elements of blood that provides immunity and protection against the pathogens. Different types of leukocytes are eosinophils, basophils, monocytes, lymphocytes and neutrophils.

Lymphocytes are B cells and T cells of the immune system. B cells produce antibodies against the antigen and T cells kills the harmful cells of the body. by specific cell determinants.These cells are not capable of phagocyte the pathogen.

Thus, the correct answer is option (A).

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3 years ago

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1. How do disturbances (or catastrophes) affect ecological succession? Be as specific as possible. Right answers only.

tino4ka555 [31]

Answer:

There are two types of ecological succession:

Primary succession:

Primary succession occurs in areas which were previously devoid of life. There were no organisms living in this area before. For example, lands after new glaciers or volcano eruptions. Firstly, microorganisms begin to habitat this land, followed by plants like lichens, shrubs etc. Finally, complex life evolved from these.

Secondary succession:

Secondary succession arises in areas where life existed before but was destroyed due to natural circumstances like flood, fire etc. Small grasses inhabit this land first which are taken over by trees over period of time.

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3 years ago

Vegetable farmers often plant soybeans every few years. Rotating crops breaks up the life cycles of many insect pests, and the s

Flauer [41]

The chemical food source for the soybean plants is A (Sunlight) because once the leaves emerge, it relies on sunlight to photothynsesize to get energy.

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3 years ago

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Diagnose: Mrs. Harris is a 60 year old white woman. She has noticed in recent years that her height has slightly decreased. Rece

Brut [27]

Answer:

Q: Which skeletal system disorder might she be suffering from?

A: Osteoporosis

Q: What techniques could be used to diagnose her condition?

A: Bone mineral density (BMD) test or dual energy X-ray absorptiometry (DXA) scan

Q: What treatments are available?

A: Medication, healthy food.

Explanation:

The vertebral discs between vertebrae could shrink with age. Therefore, a height loss up to 1-inch is normal. However, if the height loss is more then it is possibly due to osteoporosis.

A bone mineral density test, also known as dual energy X-ray absorptiometry scan, is a well-adapted test to measure the amount of calcium and other minerals in the bones. It uses X-rays to measure the content of calcium and thus strength of bones.

A person who is already suffering from osteoporosis should be treated with medicine right away so that it stops further deterioration of the bones and avoid any future bone fractures. Further, it can be handled by eating a healthy diet and supplements such as vitamins D. In case some of the bones/vertebrae are already fractured, surgical approaches might be necessary.

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4 years ago

Reset 1. A ____________ activates a(n) ____________ . 2. A nerve signal travels through the ____________ to the CNS. A sensory n

Likurg_2 [28]

Answer:

1. Response

2. Interneurons

3. Motor neuron

4. Effector, anterior root, spinal cord

5. Anterior root

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3 years ago