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Delvig [45]
3 years ago
10

On average, adolescents need how many hours of sleep each night for proper growth and brain development?

Biology
1 answer:
Anestetic [448]3 years ago
7 0
The answer would be D, 7 hours of sleep
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The observable traits expressed by an organism are described as its ________.
Elena L [17]

Answer:

phenotype is a correct answer.

Explanation:

The observable traits expressed by an organism are described as its phenotype.

Phenotype is the physical appearance of an individual, which includes individual development, behavior, and appearance.

An individual phenotype is known by its genotype ( that is a genetic identity of an organism).

Thus phenotype is desecribed as the observable appearance of an organisum which include its structure, morphology, its physiological properties and behavior.

6 0
3 years ago
Write a short description of the life cycle of a flowering plan<br><br>​
sammy [17]

Answer:

Flowering plants begin as seeds. These seeds store energy and food within them long enough to reach the right environment and germinate. Germination is the development of a plant, growing from a seed into a seedling. Seedlings are the second stage of a flowering plant's life. This is when their roots begin to form and photosynthesis can begin. Next comes the growth period. After the seedling is planted, it requires a lot of food and energy as more leaves begin to emerge. The next stage of a flowering plant's life is the flowering stage itself. This is when buds and flowers begin to sprout. It enters the reproductive stage and pollination begins, allowing more seeds to be sown.

6 0
2 years ago
Can abiotic factors be composed of cells?
Sonja [21]
No abiotic things are non-living, and cells are living.
8 0
3 years ago
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Write a hypothesis for what will happen if elodea is put in a test tube in the dark.
Natalija [7]

Answer:

d

Explanation:

trust me

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Continental drift states that continents moved ____ to their current location
Ahat [919]
<h3>Slowly</h3>

Wegener proposed the hypothesis of continental drift, which suggested that continents are in constant motion on the surface of Earth. Over time Pangaea began breaking apart, and the continents slowly moved to their present positions.

<h3>What is Continental Drift ?</h3>

The theory of continental drift is most associated with the scientist Alfred Wegener.

  • Wegener's continental drift theory introduced the idea of moving continents to geoscience. He proposed that Earth (opens in new tab) must have once been a single supercontinent before breaking up to form several different continents.

  • The four pieces of evidence for the continental drift include continents fitting together like a puzzle, scattering ancient fossils, rocks, mountain ranges, and the old climatic zones' locations.

Learn more about Continental Drift here:

brainly.com/question/7350119

#SPJ4

4 0
1 year ago
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