Lesson 7.2 Review

What is ecological succession?

• The process of one ecological community gradually changing into another.

• The process of animals migrating from one place to another.

• The process of plants growing in a new area.

• The process of water cycling through an ecosystem.

Do climax communities differ depending on the type of biome they are in?

• No, they are the same in all biomes.

• Yes, they differ depending on the type of biome.

• They only differ in aquatic biomes.

• They only differ in desert biomes.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What is ecological succession in new areas of land with little or no soil or vegetation called?

• Secondary succession

• Primary succession

• Tertiary succession

• Climax succession

What is the main characteristic of pioneer species?

• They require rich soil

• They are the first to colonize

• They are the last to appear

• They need a lot of sunlight

What type of succession involves the establishment of a community where no topsoil is present?

• Secondary succession

• Primary succession

• Climax succession

• Intermediate succession

What is the role of lichens in primary succession?

• They decompose organic matter

• They break down rock to form soil

• They provide shade

• They attract animals

Which of the following is NOT a pioneer species?

• Lichens

• Mosses

• Oak trees

• Algae

What happens to the diversity of species as an ecosystem advances through succession?

• Decreases

• Stays the same

• Increases

• Disappears

Tags

NGSS.MS-LS2-4

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What generally happens to the number of organisms in an ecosystem as it goes through succession?

• Decreases

• Stays the same

• Increases

• Fluctuates randomly

Tags

NGSS.MS-LS2-4

In what type of environment do lichens and moss thrive?

• Sandy deserts

• Environments with no soil

• Tropical rainforests

• Salty oceans