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scoray [572]
3 years ago
9

Some traits such as earlobe attachment, blood type, and the presence or absence of dimples, have limited variation throughout hu

man population because they are controlled by a single cell other traits such as skin color and han height are widely variable throughout the human population because
Biology
2 answers:
Alexus [3.1K]3 years ago
6 0
Traits such as skin color and height are variable throughout the human population because these traits are controlled by more than one cell. The cells don't perform at the same rate and don't produce the same biomolecules. Therefore, the maximum height of a person is not achieved which results to variations.
WARRIOR [948]3 years ago
5 0

Answer:

They are controlled by more than one gene.

Explanation:

Did the study island lesson. Also, they are widely variable because of the genes together, not one, but multiple.

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What two types of organic molecules make up carbohydrates?
Bingel [31]

Answer:

carbon and hydrogen

Explanation:

Have a nice day

3 0
2 years ago
A recording of the electrical changes that occur in the wall of the heart during a cardiac cycle is called
Anna35 [415]
I’m pretty sure it’s called an EKG, or something close to that.
5 0
3 years ago
Systolic blood pressure:_____________ a) is the higher number of a blood pressure reading. b) is the lower number of a blood pre
Alik [6]

Answer:

is the higher number of a blood pressure reading.

Explanation: systolic blood pressure is the higher number of a blood pressure reading and its measure in millimeter of mercury.

Systolic pressure is the amount of pressure in the arteries when contraction takes place in heart. Diastolic pressure is the pressure the heart when it relaxes. It is the lower number of blood pressure reading

When the systolic pressure is >120mm Hg and diastolic is less than 80mm Hg it is normal

120-129mm Hg and diastolic less than 80mm Hg it high and such person needs a regular medical check up

But when systolic 129-139 mmHg

and diastolic is 90mm Hg or above it means the individual is having hypertension stage 1

Above 140mm Hg is hypertension stage 2 and it is the most severe stage. It means the person is hypertensive and medical attention needs to be seek for necessary treatment as this could lead to death of such individual if not well managed.

6 0
3 years ago
Earth is heated by global warming. How is the water cycle affected by global warming?
ArbitrLikvidat [17]
Put simply, water evaporates from the land and sea, which eventually returns to Earth as rain and snow. Climate change intensifies this cycle because as air temperatures increase, more water evaporates into the air. Warmer air can hold more water vapor, which can lead to more intense rainstorms, causing major problems like extreme flooding in coastal communities around the world.

https://www.climaterealityproject.org/blog/climate-change-impacting-water-cycle
4 0
3 years ago
What is the term for the flexible material that forms the structure of the ear?
e-lub [12.9K]

Answer:

A. Cartilage

Explanation:

The flexible tissue found in the nasal septum and in the ears is called cartilage .

Cartilage is one of the human body's many connective tissues, and is found between vertebrae, in joints between bones, in the rib cage, in the nose and ear, and in the bronchial tubes.

Cartilage is dense and non-vascular.

8 0
3 years ago
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