ecology

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

Tags

NGSS.MS-LS1-6

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

The energy at each trophic level in the pryamid of energy decreases by a factor of ____.

• 10
• 1
• 100
• 2

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

Study of interactions between organisms and their environment 

• niche
• community 
• ecology
• ecosystem

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Members of a species in a defined area

• Ecosystem
• community
• biodiversity
• population

Where an organism lives

• habitat
• niche 
• heterotrogh
• biosphere

Non-living factor that affects an ecosystem

• biotic factor
• abiotic factor
• food chain 
• biome

Tags

NGSS.MS-LS2-3

Organisms that breaks down and absorbs nutrients from dead organisms 

• consumer
• trophic level
• decomposer
• species

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3