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marin [14]
3 years ago
15

Please help im really stuck and dont know how to do this

Biology
1 answer:
aleksklad [387]3 years ago
4 0
I believe the answer is composite volcanos.

a composite volcano is formed over hundreds of years through multiple eruptions. the eruptions build the volcano layer after layer by ash, rock, etc.

hope this helps! :)
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Answer:

The plants have the higher population density. This is because, when compared with that of the insects, the number of plant species per acre area is higher; 2800 compared to 683.3

Explanation:

The number of individual species per unit area of land is known as the population density. Population density describes how crowded or spaced out a given species is in a particular area. The higher the population density, the more crowded the species are and vice versa. The formula for calculating population density is given as:

Population density = Number of species/land area

Population density of the insects = 820/1.2 = 683.3 insects/acre

Population density of the plants = 560/0.2 = 2800 plants/acre

Therefore, the plants have the higher population density.

This is because, when compared with that of the insects, the number of plant species per acre area is higher.

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