Competition
Graphs
Predation
Trophic Levels
The Ss of Ecology
Limiting Factors
100

Two species with the same niche cannot coexist in the same habitat for long without one either becoming extinct, or being driven out due to competition.

What is competitive exclusion principle? (Gause's Law)

100

The type of population growth that is shown above.

What is exponential growth?

100

Relationship where members of one species consume members of another species.

What is predation?

100

The amount of energy or biomass that is transferred from one trophic level to the next.

What is the 10% rule?

100

Relationship where both organisms benefit.

What is mutualism?

100

Limiting factors that are typically abiotic.

What is density independent limiting factors?

200

Members of the same species trying to obtain the same resources.

What is intraspecific competition?

200

The type of population growth that is shown above.

What is logistic growth?

200

Why do predators have to consume other members of other species?

Energy & biomass (can't produce themselves)

200
The original source of energy in all ecosystems.

What is sunlight?

200

Relationship where one organism benefits while the other is neither helped or harmed.

What is commensalism?

200

Limiting factors that are typically biotic.

What are density dependent limiting factors?

300

Members of different species trying to obtain the same resources.

What is interspecific competition?

300

The graph above is representing this relationship.

What is competition?

300

Things that help predators catch prey.

What are structural adaptations?

300

If your producer has 13000 kcals of energy, the amount available to your tertiary consumer.

What is 13 kcals?

300

Relationship where one organism benefits while the other is harmed.

What is parasitism?

300

The maximum number of organisms an ecosystem can support.

What is carrying capacity?

400

The type of competition being represented in the picture.

What is interspecific competition?

400


Draw a trophic level pyramid and place these organisms into their correct trophic levels.

Producers: carrots, grasses, grains

Primary consumers: rabbits, mice, grasshoppers

Secondary consumers: birds, owls

Tertiary consumers: foxes

400

Why are there significantly less predators than there are prey?

10% rule, not as much energy and biomass available at the top of the pyramid.

400

The grasshopper has 101 kg of biomass. Fill in the rest of the pyramid (top to bottom).

Grass (producer): 1010 kg

Grasshopper (pc): 101 kg

Bird (sc): 10.1 kg

Eagle (tc): 1.01 kg

400
_______ succession is when an ecosystem starts on bare rock; ________ succession is when an ecosystem starts with soil.

1st - Primary 

2nd - Secondary 

400

This is representing this type of limiting factor.

What is a density independent limiting factor?

500

The type of competition being represented in this picture.

What is intraspecific competition?

500

The graph above is representing this type of relationship.

What is predator/prey?

500

Why do predators increase after prey decreases? 

Predators increase due to a lag of prey population decreasing.

500

Your secondary consumer has 45 kcals of energy available to them. Fill in the rest of the levels from producer to quaternary consumer. 

Producer: 4500 kcals

Primary Consumer: 450 kcals

Secondary Consumer: 45 kcals

Tertiary Consumer: 4.5 kcals

Quaternary Consumer: 0.45 kcals

500


The type of succession being shown.

What is secondary succession?

500

This is representing this type of limiting factor.

What is a density dependent limiting factor?