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3 years ago

4. How do current levels of plant and animal biodiversity on Easter Island compare with past biodiversity levels?

Biology

1 answer:

shtirl [24]3 years ago

4 0

Answer:

The Easter Island once used to be extremely diverse in biodiversity. It had abundant amount of plant and animal species living there.

Biodiversity in the past was extremely high due to favorable conditions there. The temperature and climate of Island was favorable for the growth of plants and animals.

It has mild climate with fertile soil which favored growth but now the scenario is different as it is now barren land with lots of sand and no diversity among plants and animal species is found there.

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3 years ago

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2 years ago

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tangare [24]

Answer:

See explanation below

Explanation:

1. Biotic factors include sunlight, soil, temperature, and water. FALSE

Biotic factors include animals, plants, fungi, bacteria and protists.

2. Like nutrients and water, energy also recycles through an ecosystem. FALSE

3. An ecosystem consists of all the biotic and abiotic factors in an area and their interactions. TRUE

4. Herbivores are a necessary link between producers and other consumers. TRUE

5. A niche refers to the place an organism lives within its ecosystem. TRUE

6. Dung beetles eat animal feces. TRUE

7. Autotrophs make their own food. TRUE

8. Organisms use 90% of the available energy at each trophic level. FALSE

9. Carnivores include lions, polar bears, hawks, frogs, salmon, and deer. FALSE

Deer is a herbivore.

10. Biomass increases at the upper levels of a food chain. FALSE

11. Producers occupy the first trophic level. TRUE

12. Scavengers include vultures and raccoons. TRUE

13. In a complex ecosystem, it is likely that two different species will occupy the same niche. FALSE

14. The habitat is the role of a species in its ecosystem. FALSE

15. A food web shows how energy flows through an ecosystem. TRUE

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3 years ago