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2 years ago

A square kilometer of forest has 200 deer. What is the term that is used to describe this number?

2 answers:

7 0

A square kilometer of forest has roughly two hundred deer. The term used to describe this number would be population density. It is a key geographic term used to describe living organisms in a specific area.

Airida [17]2 years ago

5 0

Answer;

-Population density

Explanation;

- Population is a group of organisms of the same species who live in the same area at the same time. Population density is the number of individuals in an area of a specific size.

-Population density is calculated by dividing the population by the area. For example, Francce has a population of 60,561,200, and an area of 551,695 square kilometres, so its population density is about 109.8 persons per square kilometre.

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Which one of the following is a major difference between the circulatory systems of earthworms and fish?

labwork [276]

<span>a. Fish have a single central heart; earthworms have several hearts.

</span>
Multi cellular organisms are made up of billions of cells each specialized to a unique role and these cells are organized into structural and functional units such as tissues and organs.
For each cell and organ to function optimally, it requires oxygen and nutrients and needs carbon dioxide and metabolic waste taken away in a continuous, never ending process.
<span>A mechanism is needed to accomplish the important function of transporting the relevant materials to and from the cell. The circulatory system fits this bill splendidly. It is a specialized organ system which allows blood and lymph to flow through the entire body carrying nutrients such as glucose, amino acids and electrolytes as well as oxygen to each cell, at the same time carting away carbon dioxide and all sorts of metabolic waste over to excretory organs to be expelled from the body.
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6 0

2 years ago

The human ear receives sound waves ____ and converts them to signals that are processed by the brain

r-ruslan [8.4K]

Answer:

Explanation:

The human ear is the organ for hearing. It converts sound waves into electrical impulses through which the brain processes to facilitate our hearing.

The ossicles inside the ear amplify sound waves they collect from the environment and transmits them into the inner ear.

Once in the inner ear, they are converted into electrical signals the brain can easily understand and discern.

3 0

3 years ago

A person with a very high levels of uric acid in the blood is at risk of developing which medical condition?

Sveta_85 [38]

Gout, I believe is the answer.

7 0

2 years ago

Greg was growing an unusual orange daisy in his garden. He carefully saved the seeds to plant next summer. What color might he e

rusak2 [61]

Answer: B

Explanation:

If he saved the seeds and waited till summer the rays of light would make the flower red.

5 0

2 years ago

Drag and drop the appropriate labels into position to explain how this defect might cause mr. g's other problems.

marissa [1.9K]

How does Mr. G's altered blood flow explain his signs and symptoms? Drag and drop the appropriate labels into position to explain how this defect might cause Mr. G's other problems. Fill the boxes in order, starting with 1, then 2, etc

(Image attached)

Answer:

When left ventricles contracts, some blood goes up through mitral valve into the left atrium, Turbulent flow through the valve causes systolic murmur. the atrium is overfilled and dilated.
Because some blood re-entered the mitral valve, less is pumped out into the aorta. the ejection fraction is only 43%
Less blood enters aorta, so SBP is low. Baroreceptor reflex causes increased heart rate; wall of overworked left ventricles becomes thicker
Because its already partly full of blood from the ventricle, the left atrium accepts less blood from the lungs, the lungs overfilled with fluid; resulting in troubled breathing.

Explanation:

A murmur is a result from a abnormal blood flow to the heart.Its basically an unusual sounds that is heard between heartbeat A systolic murmur occurs when the heart muscles contracts. i.e they begin and end between S1 and S2.

From the above information, it seems like Mr G is experiencing mitral regurgitation. It is a condition where mitral valve doesnt close tightly and as a result the blood flows back from the left ventricle into the left atrium.

8 0

3 years ago