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lyudmila [28]
3 years ago
5

An eroded area of the stomach mucous membrane is called a

Biology
1 answer:
mote1985 [20]3 years ago
4 0
An eroded area of the stomach mucous membrane is called a peptic ulcer.
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What would be the expected frequency of dewlap extensions and pushups in males while in the presence of females and a predator v
svp [43]

Answer:

Explanation:

Lower frequency for both dewlap extension and pushups. In the presence of predators and females an increase in the dewlap frequency and pushups is expected as a result of defense and breeding mechanisms mixed while in the second situation we have just breeding mechanisms involved

6 0
3 years ago
What is true about the most recent ice age?
Rudik [331]

the true answer is C. Sea levels rose over 300 feet

6 0
3 years ago
Read 2 more answers
Complete the sentence to explain how organisms develop in a changing environment.
enot [183]

Answer:

<u><em>Genetic variation</em></u> occurs because beneficial traits exist in a collection of genes, and <u><em>gene flow</em></u> makes these traits more prevalent in populations.

Explanation:

In biology, genetic variation can be described as the different genotypes which occur in species of the same kind. This genetic variation allows those organisms to survive on Earth which are better adapted to survive to the environmental changes.

The organisms which are better adapted to live in an environment will reproduce and pass their traits to the offsprings. Over time, these traits will become more prevalent in a population.

4 0
3 years ago
Read 2 more answers
In humans, a type of blindness is due to a dominant allele; normal vision is the result of a recessive allele. Migraine headache
yan [13]

Answer:

Yes.

Probability of such child = 1/2 or 50%

Explanation:

According to the question, below are the genotypes and phenotypes possibilities:

aa = normal vision & no headache

Aa = normal vision & no headache

AA = blindness & headache

                                                                      Male                       Female

                                                                        Aa                            aa

Possible genotypes of progeny:            Aa        Aa           aa         aa

So it is clear that out of the 4 probable children, 2 with 'genotype aa' will have normal vision & no headache.

Mathematical expression is as under:

2/4 = 1/2 that means 50% progeny.

5 0
3 years ago
A nerve cell can replace itself after injury.
Soloha48 [4]

Explanation:

1. True

2.True

3.False

Hope it helps.....

7 0
3 years ago
Read 2 more answers
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