Communities and Ecosystems

A __________ includes all living and non-living things in an environment. 

• population
• niche
• abitotic
• ecosystem

Which process takes Carbon Dioxide from the air and converts it into a form of carbon used by living things?

• Precipitation
• Photosynthesis
• Respiration
• Bioremdiation

Tags

NGSS.MS-LS1-6

In the energy pyramid here, which organisms have the most energy available?

• Producers
• Carnivores
• Herbivores
• Top Predator

Tags

NGSS.MS-LS2-3

When nitrogen gas is turned in to a form that plants and animals can use is called 

• Combustion
• Photosynthesis
• Decomposition
• Nitrogen Fixation

Which is a difference between abiotic and biotic factors?

• abiotic factors are plants and biotic factors are animals
• biotic factors are plants and abiotic factors are animals
• abiotic factors are all living things and biotic factors are all nonliving things
• abiotic factors are all nonliving things and biotic factors are all living things

The original sources of energy for all living things come from

• decomposers, which provide energy for consumers
• Consumers, which provide energy for consumers
• Producers, which provide energy for consumers
• The sun, which provides energy for producers.

Do we need greenhouse gases on Earth?

• Yes - they keep the Earth warm
• Yes - they keep all the gases on our planet
• No - they only cause terrible climate change
• No - they only block some of the Sun's rays

In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?

• 10%
• 20%
• 80%
• 90%

Tags

NGSS.MS-LS2-3

organisms that relies on other organisms for food; consumer

• herbivore
• decomposer
• heterotroph
• species

Tags

NGSS.MS-LS2-3

What animals eat both producers and consumers?

• herbivores
• omnivores 
• chemotrophs
• autotrophs