Vocabulary
Anything that constrains a population's size and slows or stops it from growing.
A. Habitat B. Biodiversity C. Limiting factor
Limiting factor
A resource that can be used over and over again (sun, wind, water)
Renewable resources
How can wetlands be protected?
A. Building more marinas around housing developments B. Building dams across rivers for water project C. Water flowing naturally and plants breaking down D. Increase the production of bottled water by pulling water from springs
C. Water flowing naturally & plants breaking down
Organisms all search for resources: water, food, space, places to live, mates. This is referred to as __.
A. Pollution B. Competition C. Biodiversity
B. Competition
Organisms that must consume other organisms to obtain energy.
Heterotrophs / consumers
The number organisms an area can support without collapsing.
A. Niche B. Carry capacity C. Limiting factor
B. Carrying capacity
The process of saving or protecting a natural resource
Conservation
How can the population of a species be affected by another species?
A. Removing the predator species can result in starvation of the prey species B. Predator and prey species interact naturally with interference C. Prey species numbers stay in balance with predator species
A. Removing the predator species can result in starvation of the prey species
Organisms that have few natural predators are the king of the mountain, this type of predator.
A. Valley B. Crest C. Apex D. Alpine
C. Apex
The ultimate source of energy for almost all living things on Earth.
The sun
The addition of harmful substances to the environment.
Pollution
The process of replanting forests.
Reforestation
Which has a negative impact on the environment?
A. Turning off the water while showering B. Recycling paper and plastics C. Throwing away trash and picking up litter D. Leaving water running while brushing teeth or bathing
D. Leaving water running while brushing teeth or bathing
Rabies devastates the wolf population of an area. As a result, the number of rabbit and deer in the forest skyrockets. This puts increased pressure on these organisms.
A. Predators B. Producers C. Decomposers
B. Producers
Which organisms have the least amount of energy available to them?
A. Producers B. Primary consumers C. Secondary consumers D. Tertiary consumers
D. Tertiary consumers
The number and variety of life forms within an ecosystem.
Biodiversity
The removal of the forest (say it like you're in Jamaica).
Deforestation
The greater the _____________ of an ecosystem, the more easily it may recover.
A. similarity B. biodiversity C. biomagnification
B. biodiversity
Corals thrive in clear, temperate waters. Coral numbers are declining worldwide and evidence indicates that global climate change bears a large part of responsibility for this. Which is limiting factor that could be responsible?
A. Water pollution B. Higher water temperatures C. Decreased salinity D. Increased biomagnification
B. Higher water temperatures
Producers get what percentage of their energy from the sun?
A. 10% B. 50% C. 75% D. 100%
D. 100%
Resources that cannot be replaced naturally within 100 years. Examples: coal, petroleum, natural gas, minerals, forests, glaciers, etc...
Nonrenewable resources
Overgrazing of cattle has led to the removal of vital grasses and plants worldwide. The vegetation is unable to regrow which leads to this:
A. dry-deserting B. desertification C. hydrology
Desertification
Why do landfills have liners?
A. To capture gas B. Stop toxic chemical from seeping into groundwater C. Stop moles, rats, and rabbits from burrowing in and eating trash
Stop toxic chemicals from seeping into groundwater
Exotic species that are released or escape into an environment most often have a negative impact on native species because of ___.
A. decreased predation on predator species by apex predator B. increased competition for resources C. increased biodiversity D. decreased competition for resources
B. increased competition for resources
Whenever an organism eats another one, say a butterfly drinks nectar from a flower, and then gets eaten by another organism, how much energy is taken in and retained at each level?
A. 10% B. 50% C. 75% D. 100%
A. 10%