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dexar [7]
3 years ago
8

What information can a scientist learn directly from a single fossil?

Biology
1 answer:
Maksim231197 [3]3 years ago
4 0

Answer:

OB. The life expectancy of similar organisms

hope this helps :)

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Describe the PCR technique; include details about the components required in a PCR reaction and the stages of each cycle. Make s
Alik [6]

Answer:

Denaturing – when the double-stranded template DNA is heated to separate it into two single strands. Annealing – when the temperature is lowered to enable the DNA primers to attach to the template DNA. Extending – when the temperature is raised and the new strand of DNA is made by the Taq polymerase enzyme

Explanation:

<em>Your </em><em>well</em><em> </em><em>wisher</em><em> </em><em>:-)</em>

4 0
3 years ago
An ecologist is studying Dunaliella Salina a single celled algae in a local pond. The con is located near construction site in t
faust18 [17]

Answer:

The electron microscope

Explanation:

<u>The microscope that would be best suited to study the inner structure of the chloroplast would be the electron microscope.</u>

<em>The electron microscope has a high magnifying property due to the fact that it uses a beam of accelerated electrons as a source of illumination, unlike the light microscope that uses visible light. While the light microscope might be enough to see the inner portion and the organelles of the cell, the tiny nature of the inner structure of the chloroplast means that the light microscope will not be able to view the details. A more powerful microscope like the electron microscope would be required.</em>

8 0
4 years ago
Describe how biogeographical studies, esp. of islands and continents, explain species similarities and differences
Elan Coil [88]
Biogeographical studies use information for various fields, such as evolutionary biology, geography, geology, and climate science to determine how organisms evolved through time and how the moving of tectonic plates resulting in forming continents, mountain ranges and islands has affected their distribution.
Studies in this field explain how organisms that now live on different continents are very closely related and how the flora and fauna of islands are connected to one of the closest continents etc. 
5 0
3 years ago
What Is a Siamese Fighting Fish and it's average lifespan in captivity?
nordsb [41]

Answer:

The siamese fighting fish (also commonly known as betta fish) is a freshwater fish found in some parts of asia. They are known to fight other fish of their kind, hence the name siamese <u>fighting</u> fish. They usually live between 2-5 years in captivity.

5 0
3 years ago
explain how having a haploid number of chromosomes contributes to the function of gametes in a life cycle
kotegsom [21]
Having the haploid number of chromosomes allows the zygote to have the correct number. If gametes weren't haploid, every generation of organisms would have twice as many chromosomes as their parents. I hope my answer has come to your help. God bless and have a nice day ahead!
7 0
3 years ago
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