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harkovskaia [24]
2 years ago
11

Why are autotrophs considered the basis of the food chain?

Biology
1 answer:
jolli1 [7]2 years ago
6 0
They are among the only types of organisms that get their energy from a non-living thing, and they give energy to Primary consumers, which give energy to secondary consumers, which give energy to tertiary consumers, which can give energy to decomposers, etc.
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Explain why cnidarians are considered more "advanced" than poriferans.
Paladinen [302]

Answer:

Cnidarians represent a more complex level of organization than Porifera. They possess outer and inner tissue layers that sandwich a noncellular mesoglea. Cnidarians possess a well-formed digestive system and carry out extracellular digestion.

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3 0
3 years ago
Explain why treehouses dont change in height as a tree grows
Dmitrij [34]
Treehouses are built on the stem and the three branches, which do not grow in length, only in width. Trees grow in length only in the area of the buds, which are located at the ends of branches. 
Maybe it is easier to understand this if you imagine that you put a small house replica on the palm of your hand and that your fingers are constantly growing from their tips.  So, the house on your palm would not move, only your fingers, (the analogy to the three top buds) would become longer.
7 0
2 years ago
Enclosed in a capsule
Zarrin [17]

Answer:

Benign tumors will grow in a contained area usually encapsulated in a fibrous connective tissue capsule.

<h3>Options E) is correct</h3>

Explanation:

<h3>I hope this helps!</h3><h3>Please make brainliest!</h3>
6 0
2 years ago
Read 2 more answers
Which structure has the least effect on the ability of a virus to infect and replicate in a host cell?
AleksAgata [21]
The answer is an envelope.

A virus is an infectious agent that can replicate only inside a host cell. When it is outside the cell, it consists of genetic material coated with protein capsid. Some viruses also have an envelope which covers capsid. The function of the envelope is to identify and bind some receptor sites on the host membranes. After fusing with the cell membrane, it allows to capsid and genetic material to enter the cell and infect it.
6 0
2 years ago
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Both coal and diamonds are forms of elemental carbon. Coal is brittle while diamonds are considered to be the hardest of all sub
Leya [2.2K]
Diamond are created from coal after 1000's of years under pressure.  
it cause a change in propertied but not elements
 
6 0
2 years ago
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