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Ecosystems Food Chains
Who’s Eating
Whom?
Changing
Environment
Potluck
100 pts
100 pts
100 pts
100 pts
100 pts
200 pts
200 pts
200 pts
200 pts
200 pts
300 pts
300 pts
300 pts
300 pts
300 pts
400 pts
400 pts
400 pts
400 pts
400 pts
500 pts
500 pts
500 pts
500 pts
500 pts
The definition of ecosystem.
What is all the living and
nonliving things in an area
that interact with each other?
Ecosystems
100 pts.
The study of interactions
between living things in their
environment.
What is ecology?
Ecosystems
200 pts.
One way organisms interact.
What is predation, competition
or symbiosis?
Ecosystems
300 pts.
All the frogs in a pond.
What is population?
Ecosystems
400 pts.
Frogs, fish, plants, snails, and
beavers living in a pond.
What is a community?
Ecosystems
500 pts.
Overlapping food chains
What is a food web?
Food Chains
100 pts.
The normal order of a food chain.
What is
energy source producer
primary consumer  secondary
consumer  decomposer?
Food Chains
200 pts.
Why food webs are sometimes
displayed in a pyramid.
What is because
1. energy is lost as you move up
the food web and
2. more organisms exist at the
bottom of the food chain that at
the top?
Food Chains
300 pts.
The tree.
What is
producer?
Food Chains
400 pts.
A secondary consumer
What is
-Jackal
-Wild cat
-Owl
-Snake
or
-Lion?
Food Chains
500 pts.
The one being eaten.
What is prey?
Who’s eating?
100 pts.
The one doing the eating (hunting
other animals).
What is predator?
Who’s eating?
200 pts.
The definition of a scavenger.
What is an animal that eats the
remains of dead animals?
Who’s eating?
300 pts.
Organisms that break down dead
matter.
What are decomposers?
Who’s eating?
400 pts.
The difference between
carnivores, herbivores, and
omnivores.
What is
-Carnivores eat other animals
(secondary consumers or higher)
-Herbivores eat only plants (or
producers) and are always
primary consumers
-Omnivores eat plants and
animals.
Who’s eating?
500 pts.
A species in danger of becoming
extinct.
What is endangered species?
Environment
100 pts.
Anything that controls the
growth or survival of a
population.
What is limiting factor?
Environment
200 pts.
The maximum population size
that resources in an area can
support.
What is carry capacity?
Environment
300 pts.
One way people are affecting the
ecosystem.
What is clearing forests,
pollution, destroying habitats by
tearing down and building, using
up food supplies and natural
resources?
Environment
400 pts.
Why humans should worry about
animals becoming extinct.
What is because most food chains
are interrelated. Each animal has
a unique niche that no other
animal can fill. One animal
becoming extinct will cause
problems throughout the food
web?
Environment
500 pts.
An area that provides food and
shelter.
What is a habitat?
Potluck
100 pt
Living and nonliving factors in
an ecosystem.
What are biotic and abiotic
factors?
Potluck
200 pt
Primary consumers are also
known as.
What are
herbivores?
Potluck
300 pt
Secondary consumers are also
known as ...
What are carnivores or
omnivores?
Potluck
400 pt
The bottom level of a food
web/pyramid.
What are producers/plants?
Potluck
500 pt
Final Jeopardy
Explain symbiosis. Discuss at
least 2 types of symbiosis.
Symbiosis: a relationship between 2 kinds of organisms that
lasts over time.
Mutualism: a type of symbiosis in which both organisms
benefit. Example: Egyptian plover and alligator, shrimp and
goby fish, etc.
Commensalism: a type of symbiosis in which one organism
benefits and the other is unaffected. Example: Orchid and
tree.
Parasitism: a type of symbiosis in which 1 organism
benefits from living on another organism and harming it.
Example: Wasp and aphid, bed bugs and people, flea and dog