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3 years ago

What are the advantages of live birth compared to ovulation?

Biology

1 answer:

olya-2409 [2.1K]3 years ago

7 0

Answer

Just think critically about why (if you were an egg laying species), having a fetus/baby develop inside of you would be advantageous.

For one, eggs are much less protected from outside factors such as predators, temperature, etc than live birthed creatures. Live birth provides protection inside the mothers body from things such as heat, cold, moisture, predatory animals, etc. An egg laying animal must keep its eggs at a perfect temperature and check to make sure no other animal has eaten them.

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Minerals can a. provide energy to the body. b. become part of the body's structural systems. c. be degraded by the body. d. be d

slamgirl [31]

Answer:

b. become part of the body's structural systems.

Explanation:

Minerals are the inorganic regulators needed for different functions inside the body.

Minerals donot provide energy but involved in generation of energ through their metabolic function. (Hence option A is excluded)
They provide a good medium for the protoplasmic activities (permeability of cell membrane and normal functioning of cell)
Maintaining bod fluid balance.
For structural units.
Cannot be degraded in the body neither can be destroyed while cooking ( Hence option c and d are excluded)
They become the part of the body's strctral systems (Hence option B is the right answer)

3 0

2 years ago

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How do you get the real life sharigan?

poizon [28]

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<em>The next time you wake in the middle of the night and need to make a trip to the kitchen or the restroom, cover one of your eyes with your hand before turning on any lights. You'll save the night vision (a.k.a. Sharingan) in that eye. The effect is trippy.</em>

6 0

2 years ago

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Mass Extinctions May Have Been Caused By Meteors

tamaranim1 [39]

Answer:

Yes, Mass Extinctions May Have Been Caused By Meteors, as the probability of mass extinction occurring after an asteroid that could hit a random location on the Earth's surface was approximately 13% when the Chicxulub-scale asteroid hit the Earth.

Soot could be the main cause of mass extinction after an asteroid impact.

5 0

2 years ago

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Which unicellular organisms in the soul help plants carry out nitrogen fixation

Katena32 [7]

Answer:

Nitrogen fixing bacteria in the soil and within root nodules of some plants convert nitrogen gas on the atmosphere to ammonia.

Nitrifying- bacteria convert ammonia to nitrites.

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2 years ago

In ducks, the trait for normal feathers is dominant to the trait for silky feathers. If

vesna_86 [32]

Answer: The genotype ratio is 2Ff : 2ff

The phenotype ratio is two normal feathered birds to two silky feathered birds.

Explanation: Let F represent the gene for normal feather and f represent the gene for silky feather. F is dominant while f is recessive, therefore a male that is hybrid for trait of normal feather is heterozygous and will have a genotype of Ff, a female that is homozygous for silky feather will have a genotype of ff.

A cross between Ff and ff will yield 2Ff birds and 2ff birds. Since F is dominant, a bird having genotype of Ff will manifest outwardly as blue feathered birds while ff will manifest outwardly as silky feathered birds because f is recessive and must occur in a homozygous condition in order to manifest phenotypically. Therefore, the genotype ratio is 2Ff: 2ff.

See the punnett square attached for more information

5 0

2 years ago