WorksheetsEcology Test Part Two
Total questions: 20
Worksheet time: 7mins
Which of the following are factors for which organisms compete?
Food
water
space
shelter
all of the above
Natural hazards can change an ecosystem.
True
False
Which is an example of an organism that can flourish because of a wildfire's smoke and heat?
animals
seeds
A ___________ ______________ is anything that prevents a population from growing larger.
carrying capacity
Abiotic soil
limiting factor
biotic sun
A limiting factor can be both ________ and __________. Choose the BEST answer.
biotic, abiotic
large, small
on Earth, on Mars
Climate refers to ________ and ___________.
abiotic,biotic
ecosystems, biomes
populations, individuals
temperature, rainfall
If plants and/or animals do not receive the resources that they need, they will ____________. Pick three correct answers.
compete
die
survive
emigrate
Earthquakes can take place around the world.
True
False
What causes MOST earthquakes?
animals
volcanic activity
the movement of tectonic plates
humans
Where do most tornadoes occur in the United States?
Tornado Alley, the central U.S.
South Carolina
Hawaii
Florida
What usually causes a tornado?
a small thunderstorm starts spinning out of control
warm, moist air, cool air and dry air collide
dry, cold air combines and spins
Which statement about Mono Lake is false?
It is 760,000-years-old.
It is saltier than the sea.
Brine shrimp and flies live in the water.
It gets 10 cm of rain/snow each year.
What is the main way organisms are added to a population?
births
deaths
immigration
emigration
What is the term for the number of deaths in a population during a certain amount of time?
birth rate
death rate
What is an example of an invasive species?
corn
elephants
zebra mussels
What type of symbiotic relationship is shown when a a bee pollinates a flower?
mutualism
parasitism
commensalism
The tiny mites that live at the base of our eyelashes shows which type of symbiotic relationship?
mutualism
parasitism
commensalism
Barnacles that attach themselves to whales and turtles have what type of relationship? (The whale and turtle are not bothered by the barnacles.)
mutualism
parasitism
commensalism
The fleas on my dog, Rosie, show what type of relationship with her?
mutualism
parasitism
commensalism
What type of relationship is shown when ants cut vines so that trees can receive light and attack other bugs that try to harm the tree in exchange for a place to live and raise their offspring?
mutualism
parasitism
commensalism
