WorksheetsExam 1 Reviewa
Total questions: 20
Worksheet time: 10mins
A key component to identifying a negative feedback loop is:
resulting in stabilizing effects
resulting in destabilizing effects
A good change
A bad change
Energy _________ and nutrients _________ in ecosystems
cycles, flows
disappears, refill
flows, cycle
transfers, moves
Ecosystem services ________.
contribute to keeping ecosystems productive
are not necessary to sustainable systems
are economically valuable services provided by natural systems
are valuable to natural systems but not to human-created systems
To determine your specific impacts on the environment, you can ________.
measure air pollution
calculate biodiversity
look at your water pollution
calculate your ecological footprint
Solutions to environmental problems ________.
can only be made by scientists
is a multidisciplinary effort
should be short term
are theoretical
The ________ is the rock and sediment beneath our feet, plus Earth's uppermost mantle and crust.
hydrosphere
atmosphere
lithosphere
biosphere
The biggest reservoir for the hydrologic cycle is the _____.
atmosphere
precipitation
icebergs
the ocean
The greatest species diversity is in which group?
fish
humans
birds
insects
When a species ceases to exist in a local area but still exists elsewhere, this is called______.
extirpation
extinction
evolution
adaptation
This is the list of species at high risk of extinction
The Danger Zone
Endangered Species Act
IUCN Red List
Not a good list
Which of the following is NOT a characteristic of a "winner"?
slow to reproduce
being a generalist
small and quick to reproduce
adaptable to different ecosystems
Which of the following is true about Ecotourism?
It is the only way to protect biodiversity
Is not effective
Can only be done in poor countries
It is tourism that aims to preserve/conserve biodiversity
Humans impact all parts of these following systems EXCEPT:
Hydrologic Cycle
Nitrogen Cycle
The Moon Phases
The Carbon Cycle
Different breeds of dogs is an example of ______.
species diversity
ecosystem diversity
genetic diversity
breed diversity
What type of species is limited to only one geographic area
extirpated
endemic
invasive
pioneer
What is the name of this figure?
A food chain
An evolution tree
A family tree
A phylogenetic tree
Which two processes have been the main drivers of the current biodiversity of Earth?
mutation and natural selection
gene flow and extinction
extinction and extirpation
artificial selection and mutation
A species' ______ is its functional role in its community
habitat
selection
niche
distribution
High population density can _____
increase food security
increase competition
decrease competition
decrease disease
Populations lacking any environmental resistance tend to increase by ________.
linear growth
exponential growth
immigration
random growth
