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Mama L [17]
1 year ago
14

The embryonic period begins with ____ and lasts until the _____ week

Biology
1 answer:
Effectus [21]1 year ago
3 0

The stage runs from the 5th through the 10th week of pregnancy

The first two weeks after conception are known as the germinal stage, the third through the eighth week is known as the embryonic period, and the time from the ninth week until birth is known as the fetal period.

<h3>What is Embryonic period ?</h3>

Approximately four weeks after conception, the neural tube forms. This tube will later develop into the central nervous system including the spinal cord and brain.

  • The neural tube begins to form along with an area known as the neural plate.

  • Each layer gives rise to specific tissues and organs in the developing embryo thus, the correct sequence is: Zygote --> Morula --> Blastula --> Gastrula --> Embryo.

Learn more about Embryonic period here:

brainly.com/question/4209863

#SPJ4

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What monomers and polymers make up the 4 macromolecules?
OverLord2011 [107]

Monomers are the building blocks of the four basic macromolecules of life- monosaccharides are the monomers of carbohydrates, amino acids are the monomers of proteins, glycerol/fatty acids are the monomers of lipids, and nucleotides are the monomers of DNA.

CREDITS TO GOOGLE!

4 0
3 years ago
This particle has a negative charge.<br><br> 1) proton<br> 2) neutron<br> 3) electron
nydimaria [60]

Answer:

2)neuton

Explanation:

because neuton is Part of Earth

8 0
2 years ago
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Read the scenario.
babunello [35]

Answer:

The cyclist’s displacement is +5 m.

Explanation:

We have, A cyclist starts at a position of origin. He takes 3 s to move east to a position of +8 m. He then cycles west to a position of +5 m which takes an additional 2 s.

It is required to find the cyclist’s displacement. Displacement of an object is the shortest path covered by it or it is given by the difference of final to the initial position.

Finally, he cycles west to a position of +5 m. Distance between final and initial position is +5 m.

Hence, the cyclist’s displacement is +5 m.

3 0
3 years ago
Which TWO descriptions of plants explain how they contributed to the carbon cycle?
denpristay [2]

Plants stored carbon in their tissues to use as energy and plants took in carbon dioxide and released oxygen through photosynthesis. Thus, the correct option is A and D.

<h3>What is carbon cycle?</h3>

The carbon cycle is the ongoing process through which carbon atoms move back and forth between the atmosphere and the Earth. The amount of carbon in this system does not fluctuate because our planet and its atmosphere are a closed environment. The location of the carbon, whether it is on Earth or in the atmosphere, is continually changing.

Plants use photosynthesis to transport carbon from the atmosphere into the biosphere and move it up the food chain. They make sugar molecules by chemically combining carbon dioxide with oxygen and hydrogen from water using solar energy.

For more information regarding carbon cycle, visit:

brainly.com/question/12023466

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4 0
1 year ago
Igneous rocks are formed from?
My name is Ann [436]

Answer:

A cooling magma

Explanation:

5 0
3 years ago
Read 2 more answers
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