Living things and ecosystems

Which of the following encompases all the others?

• ecosystem
• community
• population
• individual

A group of interbreeding individuals occupying the same area is best called

• community
• population
• ecosystem
• symbiotic relationship

study of the relationships between organisms and their environments

• zoology
• biology
• ecology
• genetics

includes all of the organisms and environmental factors in a certain area

• ecosystem
• biosphere
• biome
• community

largest ecosystem in the world which includes every part of Earth where organisms can survive

• lithosphere
• hydrosphere
• atmosphere
• biosphere

non-living parts of an ecosystem

• biome
• biotic factors
• abiotic factors
• community

consists of living and once-living parts of an ecosystem

• biome
• biotic factors
• abiotic factors
• community 

Which of the following is NOT an example of a biotic factor?

• temperature and climate
• population
• biome
• biosphere

one member of a population

• population
• organism
• biome
• community

all of the populations that interact in an area

• community
• population
• ecosystem
• biome