WorksheetsEarth's Diversity Review Two: Ecosystems, Impacts, & Recyc.
Total questions: 74
Worksheet time: 37mins
If the wolf population goes extinct on the island, what is likely outcome
Moose will population will remain stable
The moose population will grow and eat all the vegetation
The other species that rely on the vegetation will take over for the wolves
New predators will begin hunting Moose
We know that population sizes change over time. All statement(s) are true about this change EXCEPT:
When there are more births than deaths the population size will increase.
When there are more deaths than births the population size will decrease.
When there are more deaths than births the population size will increase.
When there are more births than deaths the population size will increase
Birth rates in a population, such as the moose on Isle Royale, can be affected by all of the following EXCEPT:
Availability of food
Availability of mates
Health of the mother
Changes in the environment
No exceptions - All of these factors affect birth rates.
Review the graph provided. What statements can be made about the significant decline in wolves around 1979?
The wolf decline was a direct result of moose decline.
The is no way to know why the wolf population dropped.
The drop is most likely due to the declining moose population, but more information would be needed to determine that.
The drop is most likely due to the increasing moose population, but more information would be needed to determine that.
The wolf decline was a direct result of the moose increase.
Humans are causing extiction in which ways?
By poaching animals for food or products.
By destroying the natural habitat of species.
By polluting the environments of the world.
All of the above.
A niche ________________.
is the function that an organism performs in the food web of that community.
includes everything else the organism does and needs in its environment.
is specific to each individual animal and plant.
All of the above.
97% of the Earth's water is located in....
ground water
the ocean
lakes, rivers, and streams
glaciers
Which of the following are types of precipitation?
snow
clouds
condensation
hail
rivers
How many different states can water exist in?
7
2
4
3
All of the carbon in existence is continually recycled in the carbon cycle.
Which gas do plants release, that humans depend on for survival?
Water
Carbon Dioxide
Oxygen
Sugar
What type of resources are considered finite and cannot be replenished in a short amount of time?
Renewable Energy
Nonrenewable Energy
All Energy
Generational Energy
What type of energy is able to be regenerated in a short amount of time or are continuous?
Renewable Energy
Nonrenewable Energy
All Energy
Generational Energy
Which of the following are fossil fuels? (Select all that apply.)
Coal
Oil
Natural Gas
Nuclear Energy
Which of the following are renewable energy sources? (Select all that apply.)
Solar
Wind
Hydroelectric
Geothermal
Biomass
Energy that is made from heat inside Earth
Coal
Fossil Fuels
Geothermal
Solar
What are renewable resources?
A limited amount and cannot be replaced in a human life time.
Plastic bags
Coal, oil, and natural gas
Can be replaced in our lifetime through natural processes
_____________ is an essential element of all living creatures.
Gold
Carbon
Carbon dioxide
Silver
The total amount of the carbon on Earth is constant.
True
False
Organisms that die in the ocean may __________ to the bottom and form limestone rock of a period of time.
sink
float
rise
increase
Over ________________ of years, once-living matter that remains in the ground can transform into fossil fuels.
millions
hundreds
thousands
a few handful
