ap bio community ecology

Biomass refers to

• Chemical Energy
• Light Energy
• Rank in the feeding heirarchy
• Amount of living tissue at the tropic level

Tags

NGSS.MS-LS2-3

After a forest fire, an ecosystem would start regrowth through -

• primary succession
• secondary succession
• climax community
• limiting factors

Using this picture, what defense is this Hawk Moth displaying?

• camouflage
• emitting smells
• mimicry
• panting

Tags

NGSS.HS-LS4-4

The wolves of Yellowstone are a keystone species because 

• they are the only predator within Yellowstone.
• their population affects many species within their ecosystem.
• their population is higher than that of any other species in the ecosystem.
• they feed on a greater variety of prey than all other predators.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following is a primary consumer in this food web?

• Foxes
• Carrots
• Mice
• Owls

All of the following statements concerning characteristics of predator-prey relationship are correct EXCEPT:

• Camouflage is an adaptation that protects prey.
• A rise in the population of predators is followed by a decreased in the population of prey.
• A rise in the population of prey is often followed by a rise in the population of predators.
• The population of predators most often eliminates the population of prey

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

When two species of cattails are grown together, they grow at different water depths and coexist.  When grown alone, they grow at similar water depths.  Which of the following is best demonstrated by the data?

• natural selection
• character displacement
• resource partitioning
• ecological succession

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Primary consumer's energy is 54,000 joules. How much energy was provided to secondary consumers?

• 53,460 J
• 540 J
• 5,400 J
• 54 J

Tags

NGSS.MS-LS2-3

In most ecosystems, net primary productivity is important because it represents the

• Energy used in respiration by herbivores
• Total solar energy converted to chemical energy by producers
• Biomass for all producers
• Surplus energy generated by producers

Tags

NGSS.MS-LS2-3

Which of the following best explains why there are seldom more than five trophic levels in a food chain?

• Most carnivores function at more than one trophic level
• Trophic levels about this numbers contain too many individuals
• Energy is lost from each trophic level
• The ecosystem contains too much biomass

Tags

NGSS.HS-LS2-3