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GarryVolchara [31]
2 years ago
7

From which of the following does the basic structure of hair and nails form?

Biology
1 answer:
arsen [322]2 years ago
3 0

Answer: D. Keratin

Explanation: Keratinocytes (pronounced: ker-uh-TIH-no-sites) make keratin, a type of protein that's a basic component of hair, skin, and nails. Keratin in the skin's outer layer helps create a protective barrier.

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A new moon occurs once every 29.5 days. Why must the Sun, Earth, and the Moon be aligned in order for the new moon to occur
Vsevolod [243]

Answer:

The sun, Earth and the moon are aligned, but because the moon's orbit is not exactly in the same plane as Earth's orbit around the sun, they rarely form a perfect line. When they do, we have a lunar eclipse as Earth's shadow crosses the moon's face.

Explanation:

4 0
3 years ago
Citing three pieces of evidence, identify and describe the biome we live in here in Bowling Green/Warren Co Kentucky. When descr
defon

Answer:

In Bowling Green, the summers are hot and muggy, the winters are very cold, and it is wet and partly cloudy year round. Over the course of the year, the temperature typically varies from 28°F to 88°F and is rarely below 13°F or above 95°F.  

Based on the tourism score, the best times of year to visit Bowling Green for warm-weather activities are from mid May to late June and from late July to late September.

8 0
3 years ago
Humans, as consumers impact biodiversity in either beneficial or harmful ways.
Lelechka [254]
<h2><u>Answer:</u></h2>

<em>The main direct cause of biodiversity loss is land use change (primarily for large-scale food production) which drives an estimated 30% of biodiversity decline globally. Second is overexploitation (overfishing, overhunting and overharvesting) for things like food, medicines and timber which drives around 20%.</em>

5 0
1 year ago
Its energy source is glucose, which it is taking up from its environment via na/glucose symporters distributed throughout the su
-BARSIC- [3]
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4 0
3 years ago
There are several factors that lead to genetic variation in organisms. Which of the following is NOT one of those factors?
PilotLPTM [1.2K]

Answer:

The correct answer is - A. Producing offspring that are genetically identical to the parents

Explanation:

Genetic variation is the difference between the population or individual on a genetic level. If there is a change in the DNA of individuals or among the population, it is genetic variation in these organisms.

There are several factors that result in genetic variation such as random mating, random fertilization, mutation, crossing over during meiosis, and many more. Producing genetically identical offspring to the parents is not a factor as there is no variation is taken place on the genetic level.

7 0
2 years ago
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