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3 years ago

What is the difference between an independent variable and a dependent variable? How are these different from constants?

1 answer:

german3 years ago

5 0

The variables in a study of a cause-and-effect relationship are called the independent and dependent variables. The independent variable is the cause. Its value is independent of other variables in your study. The dependent variable is the effect.

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Matings between individuals from the two populations of Rhagoletis produce hybrid flies that appear to be healthy and have norma

Mama L [17]

<h2>The correct answer is : C.</h2>

Explanation:

According to the question, mating between two populations of Rhagoletis produce hybrid flies.
This means that the two population is present in the same habitat or locality, hence they are capable of coming in contact with each other and mate. Hence, the answer cannot be Habitat Isolation.
Mating produces hybrid flies. This is possible when the gametes (egg and sperm) of the two different populations are capable of capable of coming close to each other and undergoing fusion (fertilization). Hence, there is no Mechanical Isolation.
The zygote formed by the above fertilization is capable of developing into healthy hybrid flies with normal life span. Hence, Pre-zygotic Isolation is absent.
But the hybrid flies formed are sterile and not fertile, that is, they are incapable of producing viable gametes which can undergo fertilization and produce a new offspring.Therefore, the eggs laid by the hybrid flies hatch less often. Hence, there is existence of Reduced hybrid fertility.

8 0

3 years ago

What is the ribosome's substrate? _______ and _______

Effectus [21]

Answer:

Explanation:

64 and 15 and they add 43 and 25

5 0

3 years ago

Which characteristics are common to all angiosperms? Check all that apply. Fruits spores flowers nonvascular tissue roots stems.

timofeeve [1]

Angiosperms are commonly referred to as flowering plants, which have the highest division in Kingdom Plantae.

<h3>What are the characteristics of the Angiosperms?</h3>

Angiosperms are flowering plants, which are characterized by the production of colorful flowers and fruits.

Angiosperms undergo syngenesis, in which the ovary is converted to fruit and the ovule is converted into the seeds.

Angiosperms are highly developed and vascular plants, which consist of xylem, phloem, and other specialized tissues.

The angiosperms have developed root and stem systems. Stem provides adherence and support, while roots help in the absorption of nutrients from the soil.

Thus, angiosperms have the highest rank of division in the kingdom Plantae and bear several characteristic features like flowers, fruits, and roots.

Learn more about <u>angiosperms </u>here:

brainly.com/question/12939745

7 0

2 years ago

Read 2 more answers

Describe how the behavior of prairie dogs secure the survival of their offspring.

Airida [17]

Prairie dogs create a safe home for their young by creating underground burrows.

3 0

3 years ago

Read 2 more answers

Help I don’t understand and I’m so confused and I’m doing online school please help 7-15

Wittaler [7]

For questions 11-15

11. Magnesium Oxide is a combination between Magnesium and oxygen so the formula will be MgO

12. Calcium Chloride is a combination between Calcium and Chlorine, so the formula will be CaCl₂ the ₂ comes from the fact that there is two Chlorine atoms

13. Lithium Sulfide is a combination between Two lithium and a sulfur atoms,

so the formula will be Li₂S The ₂ coming from the two lithium atoms

14. Barium Selenide is a combination between Barium and Selenium so the formula will be BaSe

15. Aluminum Oxide is a combination between Aluminum and Oxygen, there are two Aluminum atoms and three Oxygen atoms, so it will make Al₂O₃

Hope this helps

7 0

3 years ago