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Nookie1986 [14]
2 years ago
12

A sedimentary rock formed from once-living things is _____.

Biology
1 answer:
velikii [3]2 years ago
8 0
My answer would be B.organic

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List the five classes of antibody heavy chains and provide one function for each.
Lesechka [4]

Answer:

IgM, IgA, IgE, IgD and IgG

Explanation:

IgM functions in the initial response to offence.

IgA is important for protection of mucus membranes such as in saliva, sweat, tears and gastric fluid.

IgE is active during allergic reactions and defense against infections.

IgD is found on the surface of lymphocytes and is activated upon contact with antigens.

IgG forms part of the secondary response to antigen and is also responsible for newborn protection.

8 0
3 years ago
What happens to energy as it moves through the food chain/web?
Elodia [21]

Answer:

What happens to energy as it flows through the food chain and food webs of an ecosystem The chemical energy storied as nutrients in the bodies and wastes of organisms flows through ecosystems from one trophic level to the next and through this flow energy also is lost as heat.Explanation:

5 0
3 years ago
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Describe the factors that influence the development and type of soil in a certain area.
arsen [322]

Soil research has shown that soil profiles are influenced by five separate, yet interacting, factors: parent material, climate, topography, organisms, and time. Soil scientists call these the factors of soil formation

4 0
3 years ago
Which school of psychology would agree with the statement that "psychology should stress the study of how behavior and mental pr
Alex17521 [72]

Answer:

Functionalism.

Explanation:

Functionalism is a type of theory or a type of school of psychology that mainly focus on human consciousness and there way of adaptation. This method is relevant for the consciousness study.

Functionalism agrees that the psychology focus on the study of mental and behavior process. This functionalism helps the organism to adapt better to their environment.

Thus, the answer is functionalism.

7 0
3 years ago
Electrical wires are generally protected by a tube of plastic. a similar insulating function is performed in the nervous system
Allisa [31]

The myelin sheath is the protective layer, which is present in the outer layer of the neural cells. This myelin sheath prevents the loss of electrical impulses, which are being conducted in the neurons. This also act as an insulator between neuron and its external environment.

This layer is mainly made up of the protein and fatty substance. The degeneration of the myelin sheath result in many neurological disorders.


Hence, the correct answer is myelin sheath.

7 0
3 years ago
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