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yawa3891 [41]
3 years ago
8

How did dogs come to exist?

Biology
1 answer:
eduard3 years ago
7 0

Answer:

it's too early for this, also im pretty sure all we know is that their ancestors are wolves and that's it.

Explanation:

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Pls answer both questions
nikitadnepr [17]

Fgggffffffffffffgffffffffgggggggggggggggg

8 0
2 years ago
Read 2 more answers
Three events on the earth where solar energy is used for natural phenomena​
Sholpan [36]

Answer:

Solar phenomena are the natural phenomena occurring within the outer atmosphere of the Sun. These phenomena take many forms, including solar wind, radio wave flux, solar flares, coronal mass ejections, coronal heating and sunspots.

7 0
2 years ago
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Predict the type of progeny produced by Mendel's crosses between pure-breeding plants with discrete, antagonistic traits, such a
asambeis [7]

Answer:

The progeny produced is 100% heterozygous individuals.

Explanation:

Remember that in Mendel crosses, there are two alleles for each character, in this case for the color of the flowers.

When the problem refers to pure varieties, it refers to individuals with two equal alleles for the same gene.

If two pure varieties with antagonistic characters intersect, 100% of heterozygous individuals will be obtained in the offspring.

As for its phenotype, it will depend on which allele is dominant over the other.

7 0
3 years ago
If a professor accused you of cheating on a test, your adrenal glands would probably release ________ into your bloodstream
solong [7]

Answer: D. Epinephrine

Explanation:

During perceived danger the fight-or-flight response includes faster heart beat, quickened breath, tense muscles and thought speed up. This co-ordinated set if physiological changes is triggered by two hormones of the adrenal gland, epinephrine and norepinephrine.

The major activities of these hormones is to increase the amount of chemical energy available for immediate use, increase the heart rate and stroke volume and dilate the bronchioles in the lungs, action the raise the rate of oxygen delivery to the cell.

Answer is epinephrine

3 0
3 years ago
What cell components are responsible for detoxifying the cell
Zinaida [17]

Answer:

SER

Explanation:

Smooth Endoplasmic Reticulum

These are fat-based molecules that are important in energy storage, membrane structure, and communication (steroids can act as hormones). The smooth endoplasmic reticulum is also responsible for detoxifying the cell.

6 0
3 years ago
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