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3 years ago

Which succession occurs in a community that was never colonized before?

Biology

2 answers:

Step2247 [10]3 years ago

7 0

The answer is primary

ollegr [7]3 years ago

6 0

Answer : The correct answer is -

D) Primary.

Primary succession can be described as a type of ecological succession that is started in an area where no life existed before, which includes regions that lack in soil or where the soil is not capable enough to sustain life.

The reason for this could be recent flow of lava, rocks that are left from a retreating glacier, or new sand

dunes.

Example - Formation of new island on a volacanic rock.

Thus, primary succession occurs in a community that was never colonized before.

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As blood pressure increases and the hearts is working harder the most vulnerable arteries area? Located near the heart, because

KIM [24]

As blood pressure increases and the hearts is working harder the most vulnerable arteries area are those Located near the heart, because they are absorbing the most shock.

Explanation:

When the heart pumps blood, the highest pressure is felt close to the heart. This is why the aorta, the artery that carries blood away from the heart is made up of thick walls to withstand this pressure, otherwise, these vessels would rupture. Away from the heart, this pressure lessens, and the blood vessels are not so thick-walled.

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3 years ago

In ATP, which bond is broken when energy is released and when energy is added which bond forms?

Marrrta [24]

Energy is released from ATP by the breaking of the phosphate bond. Adenosine triphosphate, or ATP, consists of a sugar called ribose, the molecule adenine and three phosphate groups. During the hydrolysis of ATP, the last phosphate group is transferred to another molecule, thus breaking the phosphate bond. This reaction causes energy to be released to power other activities within the cell.

5 0

4 years ago

2 What cell structure is largely responsible for controlling the entry and exit of substances into or out of the cell?

lions [1.4K]

2. Cell (Plasma) membrane
4. A cell membrane is made of phospholipids, is flexible, and is found in animal cells. A cell wall is made of cellulose, is rigid, and is found in plant cells.

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3 years ago

You just performed 5 cycles and 2 minutes of CPR on an adult. You reassess for a pulse. No pulse is present. What is your next c

Neko [114]

Answer: The correct answer to the question is option A

SEARCH FOR AN AED.

Explanation: AED stands for Automated External Defibrillator.

It is a machine that is used to re-establish a normal cardiac rythym in cases of cardiac arrest or when the heart stops beating momentarily.

It delivers electric shock via the chest to the heart inorder to stop an an irregular heart rythym and establish an effective one.

From the scenerio in the question,5 cycles and 2minutes of CPR has been done on the victim but no pulse is present, The next best thing to do is to use an AED to shock the victim inorder to re-establish the lost cardiac rythym and pulse respectively.

This is achieved placing the pads on victim, analysis the rythym, move slightly away from the victim to prevent any contact and then shock the victim by pressing the shock button as the AED instructs showing that the rythym presented is a shockable one.

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4 years ago

If your body temperature starts to decline, your body responds by exciting skeletal muscles so that you shiver and your temperat

Tanya [424]

This is an example of negative feedback

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3 years ago