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zaharov [31]
3 years ago
13

How does evolution work? I need a simple answer.

Biology
2 answers:
oksano4ka [1.4K]3 years ago
8 0

Answer:

evolution refers to cumulative changes that occur in a population over time.

Explanation:

Hope that helps :)

ELEN [110]3 years ago
8 0

Answer:

Biological evolution refers to the cumulative changes that occur in a population over time. These changes are produced at the genetic level as organisms' genes mutate and/or recombine in different ways during reproduction and are passed on to future generations.

Explanation:

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The first arteries that branch off of the aorta and bring oxygenated blood to the heart muscle are the ________ arteries.
abruzzese [7]
Coronary arteries are the arteries that branch off the ascending aorta to supply the heart with oxygenated blood. The heart muscle which similar to each further organ or tissue in your body is essential of oxygen-rich blood to stay alive. Blood is delivered to the heart by its own vascular system which is called coronary circulation. The aorta the main blood supplier to the body branches off into two core coronary blood vessels also named arteries. The right coronary artery deliveries blood primarily to the right side of the heart. The right side of the heart is minor because it drives blood only to the lungs and the left coronary artery which outlets into the left anterior down artery and the circumflex artery deliveries blood to the left side of the heart. The left side of the heart is bigger and more well-developed since it drives blood to the rest of the body.
5 0
4 years ago
A young farmer purchases some land in a relatively arid area and is interested in earning a reasonable profit for many years. Wh
Aloiza [94]

Answer:

The correct answer will be option-D

Explanation:

Arid areas are the regions of the world which can be marked with the lack of water conditions, high light intensity and very low rainfall.

Water is one of the primary requirement of the plant without which no plant can survive but the adaptability to the environment allows the existence of the life on earth. There are known species of plants which are adaptive to such arid conditions.

If a farmer is interested in growing plants in such arid conditions hen he should select the plants which could better be adapted to survive in the arid conditions either by avoiding arid condition like storing water, low transpiration, extensive root system and many others.

Thus, Option-D is the correct answer.

3 0
4 years ago
How can you determine the number of bonds an atom can make
Usimov [2.4K]

Answer:

The number of bonds for a neutral atom is equal to the number of electrons in the full valence shell (2 or 8 electrons) minus the number of valence electrons. This method works because each covalent bond that an atom forms adds another electron to an atoms valence shell without changing its charge.

3 0
3 years ago
The animal phylum most like the protists that gave rise to the animal kingdom is _____.
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4 years ago
Sample A is very porous and has large amounts of gravel. Sample B is a mixture but contains mostly clay. Which would you expect
Rasek [7]
Cannot be determined
8 0
3 years ago
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