Ecology Review Flashcards
(41 cards)
Put in the following order of who eats who: primary consumers, tertiary consumers, producer, secondary consumer.
Tertiary consumers eat secondary consumers who eat primary consumers who eat producers.
Put the following in order of the largest to fewest in number in an ecosystem: primary consumers, tertiary consumer, producer, secondary consumer.
Producer, primary consumer, secondary consumer, tertiary consumer.
What breaks down dead organisms?
Decomposers
What do organisms compete for?
Resources
What is released into the atmosphere by burning fossil fuels?
Carbon Dioxide
What is competitive exclusion?
Only one organism wins.
What is a trophic level?
The energy level of an organism in the food chain.
What is commensalism?
One benefits, the other unaffected.
What is mutualism?
Both benefit from each other (+ +)
What is predation?
Preying of one species on another (+ -)
What is parasitism?
One benefits, the other is harmed (+ -)
What’s an example of commensalism?
Bird living in a tree
What’s an example of mutualism?
Bees pollinating flowers
What’s an example of predation?
Lion eating a deer
What’s an example of parasitism?
Dogs and ticks/lice
What is mimicry?
Close resemblance of an animal/plant to another.
What’s an example of mimicry?
Bugs that look like leaves
What is an abiotic factor?
Non-living physical factors of the environment.
What’s an example of an abiotic factor?
Weather, water, rocks, soil
What is a biotic factor?
A living component within an environment
What are examples of biotic factors?
Predators and their prey
What is biological magnification?
The increase of poisonous substances through a food chain.
What organism is most affected by biological magnification?
The “top” organism.
What is the definition of ecology?
The study of organisms and their environment.
