Part A

1. Why is biodiversity critical to the provision of ecological goods and services for humans?

The fundamental fact in ecosystem is biodiversity. Biodiversity means all the different kinds of species found in one area and the variety of animals, plants, fungi, and even microorganisms like bacteria and each of them are interconnected and form a balance in the environment is called biodiversity. The ecological goods are those we are depend on continuously like air water, food etc. as an example trees provide fruits, animals in the environment use those as a food source, then by the animals the seeds of the tree been spread in the species surrounding and the leftovers are ...

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found in Pacific coast ecosystems are considered to be keystone species. In your own words, describe how these species influence the following features in their respective ecosystems.

Prairie Dog are the similar kind of species as the squirrel, they are found in North America. They live in a group and a small group can be consisted of several female protected by a single male.

A. Primary producers, competitors, predators, and decomposers

Prairie Dog

Producer: Prairie dog live on grass, roots and leaves. The area they live by they tend to trim the grass short to increase visibility so that they can keep an eye on predators. This also helps plants to grow. Because grass tend to absorb more nutrients from the soil which become hard for a tree to grow.

Competitor: Prairie dogs competitor is squirrel. In an article published in 2016 in Net Geography adricing prairie dogs are the serial killer that murder their competitor. Though prairie dog hunt squirrel they don't ...

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soil by making hole and creating a maximum air circulation. Which help the soil to get more oxygen and nitrogen from the air. And by trimming the grasses they help plants to grow. By keeping the grass short they limit the nutrition absorption of grass that help the plants to get nutrition.

Sea otters

By protecting the kelp forest sea otter help to keep the natural flow. And when they hunt and eat the leftover goes to the seafloor and increase the nutrition of the seabed.

C. Nutrients and other chemicals cycling in the ecosystem

Prairie dog: When the prairie dogs dig hole for home the maximum air flow increases the nutrition value and when they die it get metabolised by soil ...

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Biodiversity. (2020, June 19). Retrieved November 27, 2021, from
"Biodiversity.", 19 Jun. 2020. Web. 27 Nov. 2021. <>
"Biodiversity." June 19, 2020. Accessed November 27, 2021.
"Biodiversity." June 19, 2020. Accessed November 27, 2021.
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Added: 6/19/2020 03:52:26 PM
Submitted By: zishan
Category: Environment
Type: Premium Paper
Words: 1666
Pages: 7

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