Population Biology

a relationship between two in which one species, the predator, feeds on the other species, the prey

• chemosynthesis
• predation
• cellular respiration 
• commensalism

symbiotic relationship in which one organisms benefits and the other organism is not affected

• invasive (non-native) species
• mutualism 
• nitrogen fixation
• commensalism

diagram that shows the energy available to each trophic level in an ecosystem; 10% is passed on to upper levels, the rest is lost as heat

• succession 
• cellular respiration
• energy pyramid
• biochemical cycle

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-LS2-3

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

• 10
• 1
• 100
• 2

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

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

• carbohydrates
• sunlight
• water
• carbon

Tags

NGSS.MS-LS1-6

Green plants are

• producers
• consumers
• herbivores
• omnivores

Tags

NGSS.MS-LS2-3

Non-living factor that affects an ecosystem

• biotic factor
• abiotic factor
• food chain 
• biome

Tags

NGSS.MS-LS2-3

True or False:  It is possible for a carnivore to be a producer.

• False
• True