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Arisa [49]
3 years ago
10

A dog and a pig attempt to mate. we are aware that these are two different animal species. but what is the best explanation for

the barrier that makes it impossible for them to successfully mate?
Biology
1 answer:
ozzi3 years ago
8 0

Dog and pig belongs to different species. The male reproductive cell or male gamete or sperm cannot fertilize with the female reproductive cell or female gamete or ova due to prezygotic barrier. The barrier could prevent fertilization, so that a zygote cannot be formed to produce hybrid.

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WILL GIVE BRAINILIST
Andreyy89

Answer: A). cause the three bones of the middle ear to begin to vibrate.

Explanation: Sound is transmitted as waves from the outer ear through the ear canal to the ear drum. The sound waves causes the eardrum to vibrate and consequent vibration of the three tiny bones of the middle ear. The vibration of the three tiny bones causes the fluid in the inner ear to vibrate. The vibration of the fluid causes the tiny hairs to vibrate and and the vibration is converted to electrical impulses that are transmitted to the auditory nerve and to the brain, where they are intepreted as hearing (sound).

3 0
4 years ago
You can physically see the ____ of a trait, but not the ____ .
Nina [5.8K]

Answer: The correct answer for the blank is -

1.) A. Phenotype

B. Genotype

Phenotype corresponds to the physical appearance of a particular characteristic or morphological form in an individual.

Example - Hair color, plant height, skin color.

On the other hand, genotype corresponds to the genetic makeup of an individual. It is depicted by the gene that is present in the individual organism. Example- Genotype for dwarf height in pea plant is 'tt', which carries both recessive gene variants.

Thus, we can physically see the phenotype of a trait, but not the genotype.

3 0
4 years ago
How many cells have the mitochondria?
zzz [600]

There are two types of cells. One is an animal cell, which has the mitochondria, and the other is a plant cell, which I believe does not have the mitochondria.

Hope this helps!

7 0
3 years ago
A(n)
suter [353]

Answer:

Nutrient

Explanation:

Hope this helps!

3 0
3 years ago
The mouth of the shark is part of which organ system?
crimeas [40]

Answer:

Oral cavity

Explanation:

its first organ from which food enter

8 0
2 years ago
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