Chap. 3 - Communities and Biomes

All living and nonliving things that interact in an area make up - 

• a population
• a community
• an ecosystem
• a biome

Tags

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The two most important factors that help determine a biome are -

• precipitation and temperature
• snowfall and melting ice
• animals and bacteria
• land slope and longitude

Which two biomes receive the least amount of precipitation each year?

• Desert and Grassland
• Tundra and Desert
• Tundra and Deciduous Forest
• Coniferous Forest and Rainforest

A collection of organisms that belong to different populations but all live in the same area and interact with one another.

• Population
• Ecosystem
• Community
• Ecosphere

Secondary succession is

• lichens and mosses arrive on bare rock and begin to trap soil

• a complex, stable ecosystem is formed

• plants grow in an area devastated by a flood

• plants grow in a newly formed pond

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Which biome holds the greatest biodiversity?

• grassland
• tundra
• rainforest
• desert

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The _________ biome is a cold, dry, treeless region.

• rainforest

• tundra

• grassland

• desert

Tundra, taiga, and desert are all examples of a: 

• habitat
• community
• biome
• population

Temperature, sunlight and oxygen are examples of ____ factors.

• abiotic
• biotic

Tags

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Sally takes a trip through Africa to observe the wildlife. She sees animals like zebras and gazelles being hunted by lions. The area is dry during the summer, receiving between 25 cm and 75 cm of rain fall per year. Sally is surrounded by communities of grass. Which biome is she in?

• Savanna/grassland

• tundra

• desert

• tropical rainforest