Ecology High School

What is the original source of almost all energy in most ecosystems?

• carbohydrates
• sunlight
• water
• carbon

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

An organism that produces its own food supply from inorganic compounds is called a(an)

• heterotroph
• consumer
• detritivore
• autotroph

What is an ecological model of the relationships that form a network of complex interactions among organisms in a community from producers to decomposers?

• food web

• an ecosystem

• food chain

• a population

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What is the term for each step in the transfer of energy and matter within a biological community?

• energy path
• food web
• trophic level
• food pyramid

Tags

NGSS.MS-LS2-3

What percentage of energy passes to the next trophic level ____?

• 10%

• 1%

• 100%

• 90%

Tags

NGSS.MS-LS2-3

What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What is a Diagram that shows the energy available at each trophic level ?

• succession 
• cellular respiration
• energy pyramid
• biochemical cycle

Tags

NGSS.MS-LS2-3

The diagram below shows the cycling of nutrients in an ecosystem.
The removal of which of the following groups would cause an immediate decrease in the amount of energy flowing through the system?

• Producers
• Consumers
• Decomposers
• Inorganic nutrients

Tags

NGSS.MS-LS2-3

Which organism converts nitrogen gas into a usable form?

• Plants

• Bacteria

• Cows

• Bees

Algal blooms are caused by runoff containing excessive amounts of

• nitrogen

• oxygen

• phosphorus

• water

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-3

NGSS.MS-LS2-4