Limiting Factors
Food Webs and Food Chains
Food Webs and Food Chains
Symbiotic Relationships
Limiting Factors/Relationships among Organisms
100

A living factor

Biotic

100

How much energy gets transferred between one trophic level to the next?

10% of the energy is transferred from one trophic level to the next.

100

What is this called?

Food Chain

100

One organism benefits while the other is harmed.

Parasitism

100


Which type of consumer eats meat and plants?

Omnivore

200
What type of liming factor is weather?
Weather is an abiotic limiting factor.
200
What is the smallest trophic level?
Tertiary Trophic Level
200

Organisms who must eat other organisms for energy are referred to as ...

Consumers/Heterotrophs

200

A certain type of bird eats ticks off the backs of large mammals. What type of symbiotic relationship is this?

Mutualism

200
Populations compete for what three things?
1. Food 2. Survival 3. Territory
300

the maximum population that an ecosystem can sustain.

Carrying Capacity

300

When a predator population's food supply gets larger what happens to its population?

A: the predator population gets larger

300

Where does the energy start in food webs/chains?

The sun.

300

Which of these is NOT an example of a symbiotic relationship?

predator-prey

parasite-host

mutualism

commensalism

predator-prey

300

Temperature, light, air, water, and soil are all  _____  parts of the environment

abiotic

400

Double Jeopardy

Name 3 abiotic Factors

Water, soil, sun

400

The arrows in a food chain or web represents what?

Where the energy is going (transferred)

400

Which organisms have the most available energy

D: Producers

400

 relationship between a predator and its prey?

Predation

400

Limiting factors are sometimes helpful because they can keep the population from getting too large. 

True or False?

True

500

The top of the food web is occupied by

Apex predator.

500
Typically the number of organisms_______ as you go up through the food web
Decrease
500

What happens if an animals moves to a new habitat, and cannot get its basic needs of food, water, shelter, and space?

Extinction

500

One benefits and the other is neither helped nor harmed.

B. Commensalism

500

Free points

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