Chapter 3: The Biosphere

What is the scientific study of interactions among organisms and between organisms and their environment called?

• ecology

• chemistry

• astronomy

• physics

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Different populations living in the same area are called a(n):

• ecosystem
• species
• community
• biosphere

A group of similar organisms that can breed together and produce fertile offspring are called:

• ecosystem
• species
• communitiy
• biosphere

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One individual living thing is called a(n):

• ecosystem
• organism
• population
• community

Communities with abiotic factors are called:

• species
• ecosystem
• biome
• biosphere

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Is this abiotic or biotic? (dog)

• abiotic
• biotic

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Is this abiotic or biotic? (rock)

• abiotic
• biotic

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Is this abiotic or biotic? (mushroom)

• abiotic
• biotic

Is this abiotic or biotic? (sand)

• abiotic
• biotic

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The main source of energy for most organisms is: 

• electricity
• the sun
• batteries
• chemicals

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