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dsp73
3 years ago
11

Which of the following is/are true?

Biology
1 answer:
dem82 [27]3 years ago
4 0

Answer: option B) Sympatric speciation is best described as a random event that disrupts the allele frequencies in a population

Explanation:

Sympatric speciation is an event/situation whereby organisms of the same species:

- live in the same territory or nearby territories ( i.e do not live in geographical isolation)

- DO NOT interbreed, but select a sexual mate from a much diverse territory to yield new species or offsprings.

This sexual selection then results in generations of offsprings that are genetically different from the rest of the same species due to uneven gene flow or disruption of alleles among the population of same species.

Thus, only option B is true.

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Outline the history of epidemic disease in the new world including the carriers and types explain how diseases were spread to th
weqwewe [10]

Answer:

Epidemic diseases in the New World started when Cortez went to conquer the Aztecs and the Inca and he ended up spreading disease killing thousands. They were spread by the rise of agriculture and through trade. The carriers of these diseases were bird, humans, and animals. Diseases included syphilis, tuberculosis, flu, and typhoid fever.

Explanation: I got a 100% on Edge.

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8 0
3 years ago
Compare and contrast the terms theory and hypothesis in science
IgorLugansk [536]

Answer:

In scientific reasoning, a hypothesis is an assumption made before any research has been completed for the sake of testing. A theory on the other hand is a principle set to explain phenomena already supported by data.

Explanation:

7 0
2 years ago
Which kind of information is known about a person if that person’s DNA is in a database?
Arturiano [62]
They've committed some sort of crime or have been in contact with a police department or some other organization within the government
4 0
3 years ago
Place the cell structures into the correct order for secretory protein synthesis and export from the cell. That is, once a secre
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Answer: 1. ribosome ( protein synthesis

2. Rough ER ( protein modification)

3. Transport vesicle ( protein transport between organelles)

4. Golgi apparatus ( protein modification & packaging for secretion)

5. Transport vesicle ( protein transport to plasma membrane )

6. Plasma membrane ( protein export from the cell)

Explanation:

8 0
3 years ago
Carly and Adam have been married for three years and are beginning to think about having children. Which vitamin should Carly ma
poizon [28]

Answer:

The options

a. riboflavin

b. vitamin D

c. pantothenic acid

d. folic acid

The CORRECT ANSWER IS d.

d. Folic acid

Explanation:

Having a healthy baby means staying healthy. Getting sufficient folic acid each day — mostly before conception and at early pregnancy as it reduces risk of serious neural tube defects (partial development of the brain and spinal cord) to a very large extent.

Folic acid (or folate) is a B vitamin (B9) found majorly in dark green vegetables (broccoli and spinach), legumes(beans and peas) and enriched grains.

It is essential for all women of childbearing age to get sufficient folic acid (necessary for cell growth and development plus DNA formation too)— not just those who are trying to conceive.

4 0
3 years ago
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