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deff fn [24]
4 years ago
14

Viruses are unique among infectious agents because they are?

Biology
1 answer:
motikmotik4 years ago
5 0
It's answer d, but for info :

The question of wether or not a virus is alive is not resolved, some scientists say yes, some say no.

The fact is, viruses need another organism's enzymatic machinery to survive : alone, they cannot multiply or grow, produce or use energy, functions that are common to everything alive.

On the other hand, they do possess nucleic acids and proteins like living beings!
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Most marine animals live near the surface of the ocean because of ________, which supports photosynthesis by marine algae that f
kolezko [41]
The sun they need energy
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3 years ago
What are the layers of your skin called?
topjm [15]

Your skin has 3 layers. The top layer is called the epidermis. The middle layer is called the dermis. The bottom layer is called the subcutaneous fat.

4 0
3 years ago
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When selecting among multiple possible phylogenetic trees that fit our data, we commonly use the principle of _____, which means
nordsb [41]

a. parsimony; simplest; fewest

When selecting among multiple possible phylogenetic trees that fit our data, we commonly use the principle of <u>parsimony</u>, which means we choose the <u>simplest</u> possible hypothesis. In phylogenetic analysis, that means selecting the tree that represents the <u>fewest</u> evolutionary changes or mutations.

Explanation:

Phylogeny describes the evolutionary history of on organism or group of organisms.  

A phylogenetic tree structure is used to describe the relationship between various organisms which have originated from common ancestors.  

The Principle of Parsimony is best applied while constructing phylogenetic tree.  

This principle emphasizes on simple observations on a phylogeny which requires only few changes or variations which explain for the difference between the phylogenic sequences.  

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4 0
3 years ago
A scientist wants to know wheter a particular cell is round or rectangular.How should the scientist observe the overall shape of
dezoksy [38]

Answer:

<em>The shape of a cell can easily be seen through a light microscope.</em>

Explanation:

A microscope can be defined as a device which is used to visualize things which are otherwise not visible to the naked eye. The shape of a cell can be seen even through a light microscope. For example, an animal cell can be seen to have a round shape under the light microscope, a plant cell will be seen rectangular under the light microscope.

Other microscopes such as the electron microscope can even show the organelles present inside the cell.

5 0
4 years ago
Which is a member of the domain eubacteria
Anvisha [2.4K]
<span>E. Coli

because the eubacteria also called just bacteria 

Hope this help</span>
5 0
3 years ago
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