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2 years ago

Help asap plss giving branlist

Biology

1 answer:

Anuta_ua [19.1K]2 years ago

7 0

Answer:

Parasitic Relationship

Explanation:

Symbiotic relationship:

is a term that defines an interaction between organisms of different organisms.

Parasitic Relationship:

A relationship in which one organism is benefited and one is not.

Example: A tapeworm living at the gastrointestinal parts.

Mutualistic Relationship:

A relationship in which both organisms benefit.

Example: Egyptian plover bird and the crocodile.

Commensal Relationship:

A relationship in which both organisms are not benefited nor harmed.

Hope this helps ;) ❤❤❤

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Nerve impulses are sent to slow the heart's rate of contraction. The nerve fibers sending these signals will most likely belong

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Answer:

The correct answer is option 4. Parasympathetic division.

Explanation:

The parasympathetic division is one of the three divisions of the ANS or autonomic nervous system. It also helps in the rest system or digest system as it saves energy by slowing the heart pace by slowing the rate of contraction. This is performed with the help of nerve fibers that send signals.

Parasympathetic nerve division increases the intestinal and activity gland. This nerve division helps in relaxing the sphincter muscle in the GI tract.

Thus, the correct answer is option D.

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2 years ago

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Answer: Substrate of Amylase enzyme is starch.

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2 years ago

The genetic information needed for a cell to participate in conjugation resides in the DNA of a cell’s _____. Select one:

Lina20 [59]

Answer:

F plasmid.

Explanation:

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2. Beginning with the superior vena cava, trace the path followed by a red blood cell as it passes into and through the heart, t

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Answer:

BLOOD PATHWAY:

Body > superior and inferior vena cava > right atrium > tricuspid valve > right ventricle > pulmonary semilunar valve > pulmonary artery > lungs > pulmonary vien > left ventricle > bicuspid/mitral valve> left ventricle > Aortic semilunar valve > Aorta > Body

The pathway goes like this:

From the body (we don't say first because this is a cycle), unoxygenated blood collected goes to the heart via the INFERIOR and SUPERIOR VENA CAVA then it empties into the RIGHT ATRIUM from there it passess through a valve called TRICUSPID valve, which prevents backflow of blood to the right atrium. The blood goes to our first pumping chamber, RIGHT VENTRICLE. The right ventricle pumps the blood through the PULMONARY SEMILUNAR VALVE which leads to the PULMONARY ARTERIES, which happens to be the only arteries that carry unoxygenated blood. From there it goes to the lungs to pick up oxygen and rid itself of carbon dioxide. The blood then goes back into the heart via the PULMONARY VEINS and like the latter, they are the only veins that carry oxygenated blood.

The blood then goes back into the heart, emptying into the LEFT ATRIUM. From there it goes through the BICUSPID VALVE or MITRAL VALVE and to the last and thickest pumping chamber, the LEFT VENTRICLE. The left ventricle pumps the blood through the AORTIC SEMILUNAR VALVE which opens out to the AORTA.

And at last, it goes back to your body.

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