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aleksklad [387]
2 years ago
7

Check all that are characteristics of the esophagus. Check All That Apply

Biology
1 answer:
kvv77 [185]2 years ago
6 0

Answer:

Option (A) and (D).

Explanation:

Esophagus may be defined the long tube like structure that connect the throat with the stomach. The partially digested food from the buccal cavity to the stomach is pass down through the esophagus.

The mucosa of the esophagus contains the thick layer of the nonkeratinized squamnous epithelium. The smooth muscles are present in some layers only. The two layer of the muscle that are superior to the one third of the muscularis are the skeletal muscle.

Thus, the correct answer is option (A) and (D).

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Why does survival of the fillest not
dlinn [17]

Answer:

Survival of the Fittest means that animals best suited to a certain area will survive, not that the largest will survive. An example of this is the mouse.

Explanation:

When an animal adapts to live longer, they are adapting to their predators and their environment. For smaller animals, like mice, being big might mean that hawks are able to find them easier, leaving only the small mice to reproduce. I hope this helps!

4 0
3 years ago
From what material did the moon form?
Viefleur [7K]
Answer: Rocky debris, primarily from the impactor and some of Earth's outer layer, was hurled out into orbit around Earth.

Hopefully this helps
5 0
2 years ago
Read 2 more answers
Help pls! First correct answer will get brainliest and all guesses WILL be reported!!
MArishka [77]

Answer:

18.

a) 50%

b) 0%

c) 50%

19.

a) 0%

b) 0%

c) 100%

20.

a) 100%

b) 0%

c) 0%

21.

a) 0%

b) 50%

c) 50%

Explanation:

If you have any other questions like this, use punnet squares, they really help a lot.

7 0
2 years ago
In peas, tall plants (T) are completely dominant over short plants (t). You cross two heterozygous pea plants Use a Punnett squa
Nikitich [7]

Answers and Explanation:

Find enclosed the Punnet square.

T= dominant allele

t= recessive allele

Tt= heterozygous genotype

TT and tt= homozygous genotype

- The male pea plant's genotype is Tt (heterozygous)

- The female pea plant's genotype is Tt (heterozygous)

- Male gametes: T and t

- Female gametes: T and t

- The expected genotypic ratio of the offpring will be:

TT: Tt: tt ⇒ 1: 2: 1

1/4 of the offpring will be TT genotype (dominant homozygous), 1/2 of the offpring will be Tt (heterozygous) genotype and 1/4 of the offpring will be tt genotype (recessive homozygous).

- The expected phenotypic ratio of the offpring will be:

tall : short ⇒ 3 : 1

3/4 of the offpring will be tall (TT and Tt) and the restant 1/4 will be short (tt).

4 0
2 years ago
Doctors often use certain medications to treat infections. A few people have a reaction to some of these medications, such as it
gladu [14]

Answer:

Allergy

Explanation:

Allergy occurs when the body system reacts to the introduction of a foreign substance. The immune system plays an important role in the elimination of substances that are capable of causing harm to the body, substances that trigger an allergic reaction in the body is known as allergen.

When an allergen is introduced into the body, the immune system views it as an intruder that is capable of destroying various tissues and cells. It therefore manufactures antibodies to fight off the intruders thereby resulting in an allergic reaction.

Medications such as antibiotics can cause allergic reactions such as itching and swelling of the skin.

5 0
2 years ago
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