Answer:
Explanation:
They live on plant nectar when not producing eggs. All adult mosquitoes feed on the nectar or honey dew of plants to get sugar, and that provides enough nourishment for both males and females to live, but females also need to produce eggs. To create eggs, females need protein, which they get from the blood of animals
One component of the cell theory is A cell is the basic unit of structure and function of all organisms. Thus, option "D" is correct.
The cell contains genetic material in the form of DNA which is passed from the parent cell to the daughter cells after cell division.
All cells are similar in chemical composition as well as in metabolic activities.
All the physiological and biochemical functions usually take place inside the cell.
The activity of the cell depends upon the cell organelles and other cellular parts.
Thus, option "D" is correct.
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Answer:
A cell is the basic unit of structure and function of all organisms
Explanation:
All other options are wrong
convergent boundary
divergent boundary
transform boundary
B. Eukaryotic species experience a greater rate of mutations within their populations.
C. Mutations increase the genetic diversity in both prokaryotes and eukaryotes.
D. Sexually reproducing eukaryotes evolve faster than species that reproduce asexually.
Answer:
C. Mutations increase the genetic diversity in both prokaryotes and eukaryotes.
Explanation:
It is a well-established fact that mutations increase the genetic diversity in living organisms (especially if they are positive mutations). The positive and faster mutations will help the organism to develop better traits for survival in the changing environments.
The other options are incorrect because of the following reasons:
A. Eukaryotes don't do gene transfer via conjugation.
B. Eukaryotic species don't experience a greater rate of mutations as compared to the prokaryotes. Prokaryotes have a faster mutation rate. This is the reason that microbes can adapt to changing environments faster than humans or other multicellular organisms.
D. As mentioned above, sexually reproducing eukaryotic species evolves slower than the asexually reproducing species. For example, evolution in bacteria (e.g. drug resistance) is faster than any organism belonging to eukaryotic lineage.
Answer:
C . Mutations increase the genetic diversity in both prokaryotes and eukaryotes.
Explanation:
I took the test and that was the correct anwser.
high tides extends far inland from the shore, across lowlands called coastal plains, and far seaward to the water depth where ocean waves do not reach the seafloor.
Correct Answer: A). Dissecting microscopes and compound light microscopes
After magnification the object appears larger in size that is measured by the magnifying power. It can be found out by dividing the focal length of the scanning object to the focal length of the eye piece. From the above given option the greatest difference that is found in the magnifying power is between the dissecting microscope and compound light microscope.
Hence, the correct answer would be option A.
Amongst the options provided, the biggest difference in magnification power is between transmission electron microscopes and dissecting microscopes. Dissecting microscopes provide lesser magnification but enable three-dimensional viewing, while electron microscopes offer superior magnification and detail, at the cost of the specimen's life.
Therefore, the correct answer is option b.
The greatest difference in magnifying power lies between b. transmission electron microscopes and dissecting microscopes.
Dissecting microscopes provide lower magnification, typically ranging between 20 to 80 times the object size, and are suitable for viewing larger objects such as tissues (Fig 3.2b). They also offer a three-dimensional view of the specimen.
On the other hand, transmission electron microscopes utilize a beam of electrons instead of light.
This mechanism facilitates much higher magnification and detail while providing superior resolving power. However, this method requires the destruction of the specimen and cannot be used for viewing living cells.
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