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stepladder [879]
3 years ago
5

Which question about dinosaurs is a scientific question?

Biology
2 answers:
Marysya12 [62]3 years ago
7 0

Answer: Why do people believe that dinosaurs existed?

Explanation:

A scientific question or a scientific inquiry can be answered using suitable scientific methodology or by exhibiting direct observations. It is a fact finding inquiry to know about a cause of a natural event or a phenomena.

Among the options given, Why do people believe that dinosaurs existed? is the correct one because of the fact that this can be answered on the basis of evidences obtained in the form of fossils which have proved the fact that dinosaurs used to be existed on primitive earth.

GrogVix [38]3 years ago
6 0
Should scientists try to clone dinosaurs from DNA remains? is a good scientific question
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What polysaccharide do plants store in plastids
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There are three common and principal types of polysaccharide, these are the cellulose, starch and glycogen. They are<span> all made by joining together molecules of glucose in different ways. 
</span><span>The polysaccharide that plants store in plastids is starch.</span>
4 0
3 years ago
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A biology student caught and tagged 50 trout in a small lake. After two weeks, the student caught another 40 trout and found tha
Vlad1618 [11]

The best estimate of the population of trout in the lake is 500 individuals.

The low number of tagged trout recaptured may be because the tags slipped off.

This possibility can be reduced if the student used tags that does not slip off easily.

<h3>Mark and recapture method</h3>

The formula for calculating the estimated number of individuals in the population is given as:

  • N = (M*C) / R

where:

  • N = estimated Number of individuals in the population
  • M = number of individuals captured and Marked
  • C = total number Captured the second time (with and without a mark)
  • R= number of individuals Recaptured (those with a mark)

Calculating the estimate trout population:

N = (50*40)/4

N = 50

Therefore, the best estimate of the population of trout in the lake is 500 individuals.

The low number of tagged trout recaptured may be because the tags slipped off.

This possibility can be reduced if the student used tags that does not slip off easily.

Learn more about mark and recapture method at: brainly.com/question/10646744

6 0
2 years ago
A spring toy is moving down steps, as shown in the picture. What happens to the energy of the toy?
aliya0001 [1]
A the toy loses energy Bc it’s getting used
4 0
3 years ago
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Scientists think that dolphins and whales may have evolved from a common ancestor. What evidence supports this hypothesis
ikadub [295]

Scientists think that dolphins and whales may have evolved from a common ancestor because they have similar anatomies.

<h3>What is a common ancestor?</h3>

A common means different animals now, have evolved from a single ancestor or animal.

These animals may share common characters and structures.

Whales, dolphins, and porpoises are evolved from a common ancestor; cetacean.

The animals that evolved from cetaceans are all aquatic, primitive cetaceans were amphibians too.

Thus, They have similar anatomies.

Learn more about ancestors

brainly.com/question/15990290

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6 0
2 years ago
Explain how the heliocentric model has been modified with the help of telescopes and probes ?
baherus [9]

Answer:

They collect more information.

Explanation:

The heliocentric model has been modified with the help of telescopes and probes because telescopes and probes collect more accurate information about the solar system and planets. Due to information collected from these instruments, scientists are able to modify the heliocentric model more accurately. So we can conclude that with the help of telescopes and probes, the heliocentric model has been modified.

6 0
3 years ago
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