It's been five hours since you had your last meal, which has made your blood-glucose level drop.how is your endocrine system helping to maintain this level ?

Answers

Answer 1

Answer: ANSWER:
The pancreas produces glucagon, which stimulates the liver to break down glycogen into glucose and release it into the blood.

Answer 2

Answer:

Answer:

Glucagon hormone from pancreas serves to raise the blood glucose level.

Explanation:

The glucagon hormone from pancreas is secreted under the conditions of lower blood glucose level. The hormone stimulates break down of glycogen into glucose to increase the blood sugar level. On the other hand, insulin hormone from pancreas serves to raise the blood glucose level when it is dropped below the normal range.

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In a 10 m2 ecosystem, there are 20 raccoons. The population density of raccoons is _____.

Answers

The answer is 2 raccoons per square meter.

The math is very clear. It can be solved using proportion.

If 20 raccoons live in 10 square meters, how many of them will live in 1 square meter:

20 raccoons : 10 m² = x raccoons : 1 m²

⇒ $(20)/(10) = (x)/(1)$

⇒ x = $(20)/(10)$

⇒ x = 2

So, a population density is 2 raccoons per square meter.

In which of the following situations will the ball have the greatest acceleration?O
A golf ball with a mass of 0.045 kg is struck with a force of 1 N.
A baseball with a mass of 0.142 kg is hit with a force of of 5 N.
o
Asoccer ball with a mass of 0.45 kg is kicked with a force of 20 N.
o
A bowling ball with a mass of 7.2 kg is thrown with a force of 60 N.

Answers

The ball with the greatest acceleration is the soccer ball with a mass of 0.45 kg and kicked with a force of 20 N, which has an acceleration $44.4 m/s^2$

How to determine which has the greatest acceleration?

To calculate the acceleration of each ball, we can use the following equation:

acceleration = force / mass

Golf ball:

acceleration = $1 N / 0.045 kg = 22.2 m/s^2$

Baseball:

acceleration = $5 N / 0.142 kg = 35.2 m/s^2$

Soccer ball:

acceleration = $20 N / 0.45 kg = 44.4 m/s^2$

Bowling ball:

acceleration = $60 N / 7.2 kg = 8.3 m/s^2$

Therefore, the ball with the greatest acceleration is the soccer ball, which has an acceleration of $44.4 m/s^2$ .

Learn about acceleration here brainly.com/question/460763

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A gene for eye color in an island fly species has two alleles: the dominant allele codes for blue eyes, and the recessive allele codes for green eyes. If genetic drift is the only force that changes allele frequencies in a fly population, what is expected to happen to the blue and green eye allele frequencies in the population?

Answers

Answer:

The changes in the frequencies of blue and green eye alleles can not be predicted since genetic drift is a random event.

Explanation:

Genetic drift is the change in the allele frequencies of a population caused by some chance event. The effect of genetic drift is more pronounced in smaller populations since random events cause changes of greater magnitude in a small population. It can cause the complete loss of an allele from a small population.

According to the given information, the frequencies of alleles for green and blue eyes are changed by genetic drift which in turn would produce random evolutionary changes Either of the alleles may be eliminated from the population irrespective of the fact that the allele is beneficial or harmful. Thus, genetic drift would change the frequencies of the allele in an unpredictable manner.

WORD BANK HELPword bank: crossbreed , varieties , characteristics , artificial selection , domesticated

Selective breeding ( also called {blank }) is the process by which humans use animal breeding and plant breeding to selectively develop particular phenotype traits (blank) by choosing which typically animal or plant males and females will sexually reproduce and have offspring together. (blank) animals are known as breeds , normally bred by a professional breeder , while domesticated plants are known as (blank) , cultigens , or cultivars. Two purebred animals of different breeds produce a (blank). Flowers , vegetables and fruit-trees may be bred by amateurs and commercial or no-commercial professionals: major crops are usually the provenance of the professinonals.

Answers

Selective breeding (also called artificial selection) is the process by which humans use animal breeding and plant breeding to selectively develop particular phenotypic traits (characteristics) by choosing which typically animal or plant males and females will sexually reproduce and have offspring together. (Domesticated) animals are known as breeds, normally bred by a professional breeder, while domesticated plants are known as (varieties), cultigens, or cultivars. Two purebred animals of different breeds produce a (crossbreed). Flowers, vegetables and fruit-trees may be bred by amateurs and commercial or non-commercial professionals: major crops are usually the provenance of the professionals.

Answer Key

Selective breeding also called (artificial selection.) is the process by which humans use animal breeding and plant breeding to selectively develop particular phenotypic traits (characteristics.) by choosing which typically animal or plant males and females will _exually reproduce and have offspring together. (Domesticated.) animals are known as breeds, normally bred by a professional breeder, while domesticated plants are known as (varieties.) , cultigens, or cultivars. Two purebred animals of different breeds produce a (crossbreed.) . Flowers, vegetables and fruit-trees may be bred by amateurs and commercial or non-commercial professionals: major crops are usually the provenance of the professionals.

_______ aid in the immune system to fight infections. A. Red blood cells
B. Platelets
C. Arteries
D. White blood cells

Answers

White blood cells (D) aid in the immune system to fight infections.

In a certain plant, yellow leaves are dominant (Y) and red leaves are recessive (y). A plant with genotype Yy and a plant with Yy are crossed. If they have four offspring, how many would you predict would have red leaves?

Answers

1 plant. This is because offspring will only have red leaves if it receives yy, and there is a 25% chance of this, so 1/4 of the offspring will be predicted to have red leaves.

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