Food Chains Flashcards
(18 cards)
What is a trophic level?
The position and organism holds Ina food chain
What does a food chain show?
How each organism in a community gets its food
What is an herbivore?
Animals that are strictly plant eaters
What is an omnivore?
Animals that eats combination of plants and meat
What is a carnivore?
Animals that are strictly meat eaters
What is an autotroph?
Primary producer in a food chain
What is an example of a primary, secondary, tertiary,and quaternary consumer?
Primary-rabbit
Secondary-snake
Tertiary-owl
Quaternary-hawk
Where is energy transferred in a food chain?
From one organism to the next in a food chain
As energy is transferred from the bottom to the top of the food chain, what happens to it?
Energy is partially lost
What is a food web?
A network of several food chains
Why could there not be too many links in a food chain?
If there were, animals at the top of the food chain would acquire enough energy to stay alive
What does human activities create?
Toxic pollutants that eventually end up in habitats
What can toxins cause?
Slow growth, decreased reproduction, and even death.
What is an example of a detrivore?
Worm
What is an example of a decomposer?
Fungi
What purpose do detrivores and decomposers serve?
Organisms being consumed by detrivores when they die and decomposers breaking it down with the exchange of energy continuing.
Humans are considered apex predators , but our position in the food chain and change rather quickly. How?
Humans are omnivores but switch off of what what we eat at different times
What s a food chain?
The sequence of whom eats whom in an ecosystem to obtain nutrition
