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Dima020 [189]
3 years ago
6

How do the lungs of spiders differ from human lungs?

Biology
1 answer:
dlinn [17]3 years ago
7 0

The difference between spider lungs and human lungs is the following

* Spiders have two ways for respiration, the trachea and the book lungs.

* They are much more simpler than the human respiratory system

* They have a different structure.

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So the answer is Saturn

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I. Plant cells are formed from fertile soil.
Dmitriy789 [7]

Answer:

Option-B

Explanation:

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Once when they together met in a conference, they shared what they observed and later both reached the conclusion that cell is the functional and structural unit of living organisms.

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Thus, Option-B is the correct answer.

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3 years ago
The graph below is of directional selection. Which statement can be supported by the evidence shown in the graph?
7nadin3 [17]

<u>Answer</u>: C) Directional selection occurs when one of two extreme phenotypes is selected for.

The type of natural selection known as directional selection is defined in population genetics in the case in which an extreme phenotype is favored over other phenotype. Thus, the population and its allele frequency will evolve towards this end of the trait spectrum (extreme phenotype). This is also the case illustrated in the graph where the right side represents the extreme phenotype.

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