Ecosystems
What is an ecosystem?
a community of living and nonliving things
What is predation?
What is a food chain?
describes order in which organisms depend on each other for energy
What is biodiversity?
the variety of life in an ecosystem
What is the first step in the engineering design process?
define the problem
What is a population?
all the individuals of the same species within an ecosystem
What is competition?
when organisms compete for resources
What is a producer?
an organism that produces its own energy
What is genetic diversity?
different genes within a species
What was the problem in the taco party video?
needed food for the party, but friends were coming over soon
What is an organism?
a living thing
What are the three types of symbiosis?
mutualism, commensalism and parasitism
What is a food web?
multiple food chains together
Give an example of an endangered species.
What was the problem that you tried to solve in the Frogger design challenge?
help gets frogs across a busy street safely
Give an example of a predator/prey relationship.
examples: deer/grass, eagle/rat, shark/fish
Give an example of organisms in a mutualistic relationship.
example: shark and fish (fish cleans the shark and the shark provides safety for fish)
Give an example of a food chain with at least 4 organisms.
example: grass-rabbit-deer-snake
stink bugs
What is the design you made to represent your idea called?
a prototype
Give an example of a biotic and an abiotic factor in our ecosystem.
Biotic: squirrel
Abiotic: soil
Give an example of a parasitic relationship between organisms.
What is the deer considered in the following food chain:
grass - deer - wolf
primary consumer
Why is biodiversity so important?
it preserves the variety of life and keeps the ecosystem functioning effectively
What is the final step in the engineering design process?
improve