A place that provides all the things an organism needs to live
What is habitat
100
Out of a lion and an antelope, which one is the predator and which one is the prey?
predator= lion
prey= antelope
100
All of the conditions surrounding an organism
What is environment
100
Any substance that damages the environment is called
What is pollution
200
All the living things and nonliving things in an area and their interactions
What is ecosystem
200
________ make their own food while __________ are organisms that cannot make their own food.
What is producers and consumers
200
A hurricane's strong winds ripping up trees and flattening plants is what type of change?
What is fast change
200
An attempt to preserve or protect an environment from harmful changes.
What is Conservation
300
Which of the following is an example of a community?
a. squirrels, blue jays, and oak trees
b. a group of twenty sandhill cranes
c. a school of tuna
d. rocks, soil, and air
What is a. squirrels, blue jays, and oak trees
300
________ is a series of steps by which energy moves from one type of living thing to another
What is a food chain
300
Which of the following is an environmental change caused by humans?
a. farm
b. lichen on rocks
c. heavy rain
d. beaver dam
What is a farm
300
Nonnative animal populations can grow rapidly in a new ecosystem because
a. predators in the ecosystem are not used to hunting them
b. they have no competition for resources in the ecosystem
c. nonnative species are always at the top of the food chains
d. they are producers
a. predators in the ecosystem are not used to hunting them
400
A coral reef and the organisms that live in it form
a. habitat
b. a community
c. a population
d. an ecosystem
d. an ecosystem
400
The shortest food chains consist of
a. a consumer and a decomposer
b. two producers
c. two consumers
d. a producer and a decomposer
d. a producer and a decomposer
400
When organisms share limited resources, there is
a. an extra resource
b. competition
c. extinction
d. mutation
What is b. competition
400
A nonnative plant in an ecosystem spreads quickly. This will most directly affect the native plants by
a. leaving them less space
b. giving them more food
c. helping them grow
d. leaving them more sun
What is a. leaving them less space
400
In one ecosystem, snakes eat birds, plants make fruit, and birds eat fruit. Which is the correct food chain?
a. snake- plant- bird
b. bird- plant- snake
c. plant- bird- snake
d. snake- bird- plant
What is c. plant- bird- snake
500
a long- term relationship between two different organisms is called