BIOLOGY HIGH SCHOOL

Our current understanding of evolution is called a theory because it has been

Answers

Answer 1
Answer: C. Corroborate by data that were gathered during a single experiment.
My reason:- Scientists did experiments to get data that showed Predictive Valid Power.

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How can an injury to a peripheral nerve cause loss of both sensory and motor functions?

Answers

The reason is that peripheral nerves have both sensory and motor fibers. 

Through these sensory fibers, peripheral nerves receive signal and send them to the brain. Also, through motor fibers, peripheral nerves send information to the muscles. When a peripheral nerve is damaged, the both functions will be lost.

The air inside of a building can be more toxic than the air outside of a building.True
False

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True depending on múltiple factors and situations of course.

The phase during mitosis in which chromosomes move into the center of the cell is _____.

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Answer:

Metaphase

Explanation:

Metaphase is the phase of mitosis that starts with complete disintegration of nuclear envelop. It is marked by attachment of spindle fibers to the kinetochores of chromosomes and movement of chromosomes to the middle of the cell, that is, equator. Chromosomes are aligned along center of the cell through spindle fibres .

The phase is metaphase. I can remember this because bith "meta" and "middle" start with the letter "m".

What is the relationship between HIV and AIDS?

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transmitted through body, blood, mouth

The _______ the time period during which a species lived and the _______ the distribution of its fossils, the better an index fossil the species is. shorter; narrower shorter; wider longer; narrower longer; wider

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The index fossils have a shorter time period and wider geographical distribution of fossils.

What is an Index fossils?

An Index fossils refers to class of fossils that had a wide geographical distribution and they were present for a comparatively shorter period of time.

They helped in the construction of geological periods that are commonly used today.

Thus, the index fossils have a shorter time period and wider geographical distribution of fossils.

Therefore. the Option B is correct.

Read more about Index fossils

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Answer:

Option (2)

Explanation:

Index fossils are defined as those fossils that had a wide geographical distribution and they were present for a comparatively shorter period of time. They had great significance in the field of paleontology. It helped in the construction of geological periods that are commonly used today. It basically helped in forming the geological time scale. The age of the rocks in which these fossils were embedded is easily determined by using radioactive dating techniques.

Thus, the index fossils have a shorter time period and wider geographical distribution of fossils.

Hence, the correct answer is option (2).

Plant cells undergo photosynthesis to produce glucose, a usable form of chemical energy. The energy produced by plants becomes the base of an energy pyramid. Given the situation seen above, what reactant is missing in order for photosynthesis to occur? A) water
B) ozone
C) chlorophyll
D) radiant energy

Answers

Plants use their leaves to capture light energy during photosynthesis, water and carbon dioxide are converted by plants into sugar, hence option a is correct.

How does photosynthesis work?

Plants use glucose as a source of energy and to create other compounds like cellulose and starch and cell walls are constructed using cellulose.

In a process known as photosynthesis, plants use carbon dioxide, water, and sunshine to create sugar and oxygen.

Chloroplasts, tiny compartments found inside plant cells, are where photosynthesis takes place.

Therefore, the removal of carbon dioxide from the atmosphere and utilize water in the production of food make this a significant process for the planet, hence option a is correct.

Learn more about photosynthesis, here:

brainly.com/question/14082203

#SPJ6

water is the correct answer.
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