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3 years ago

Why might it be more useful to classify Bacteria and Archaea based on their morphology rather than solely on their phylogeny?

Biology

2 answers:

katrin [286]3 years ago

8 0

The right answer is A.

There are different types of classifications of bacteria.

The classification of Linnaeus makes it possible to distinguish different levels: the reign, the branch, the family, the genus and the species. That we can associate with the phylogenetic classification.

Another classification, frequently used, corresponds to their reaction in contact with the Gram stain (morpho-tinctorial classification). It is a method to differentiate bacteria based on their staining capacity varying according to the composition of their wall. Thus, the bacteria colored in blue-violet will be said Gram-positive and those in pink Gram-negative.

Finally, they can be classified according to their need for oxygen to survive in aerobic bacteria or anaerobic bacteria.

Leya [2.2K]3 years ago

3 0

Answer:
A. Both domains are capable of sharing segments of DNA with unrelated organisms which makes genetic classification difficult

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What unit of time on Earth is based on the revolution of the Moon around the Earth?

Mamont248 [21]

Answer: I think it’s months

Because I found this information... The Moon appears to move completely around the celestial sphere once in about 27.3 days as observed from the Earth. This is called a sidereal month

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3 years ago

A long tree has several branches the tissue that helps in the sideways conduction of water in the.

Andru [333]

The tissue that helps in the sideways conduction of water in the tree is the xylem parenchyma.

In plants, there are two systems; the xylem and phloem, that help in the transportation of water and other substances from roots to the other parts of the plant.

Xylem is living plant cells and is found in the center of the vascular sheaths. These are also known as photosynthetic cells.

It is also an essential component of the plant as it stores and transports water.

Moreover, these cells serve as fragments of the intracellular storage system.

If you need to learn more about the xylem parenchyma click here:

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1 year ago

Mushrooms, algae, and protozoa are all examples of ___________ cells.

algol13

Answer:

eukaryotic

Explanation:

Fungi (or Mushrooms) are eukaryotic and have a complex cellular organization.

Algae are eukaryotic cells, or cells that contain a nucleus, which makes them slightly more complex than bacteria

Protozoa are single-celled eukaryotic (organisms whose cells have nuclei) that commonly show characteristics usually associated with animals, most notably mobility and heterotrophy.

7 0

3 years ago

What additional information would assist you in determining whether polar bears and grizzlies are different species, based on th

ladessa [460]

Answer:

The correct answer is- e. I and II only

Explanation:

According to the biological species concept, a species is the population of organism in which the individual are able to interbreed with each other and also able to produce viable and fertile offspring.

Therefore here to determine whether polar bears and grizzlies are different species we have to get information that whether the F1 generation of grizzlies and polar bears is viable and able to produce their own offspring that means are F1 generation fertile. So the correct answer is e. I and II only.

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3 years ago

A scientist at the polar ice cap was studying an ice sample from hundreds of meters below the surface. While examining the ice,

emmainna [20.7K]

Answer:

The correct option is C) Plants

Explanation:

Option A is false because the cell cannot be an animal cell. This is because an animal cell does not possess a cell wall.

Option B is false because the cell cannot be a bacterial cell. This is because a bacterial cell does not have a nucleus. Their genetic material is dispersed inside the cytoplasm.

Option C is correct because all the organelles, a cytoskeleton, mitochondrion, nucleus, cell wall, and ribosomes, are present inside the plant cells.

6 0

3 years ago