Google form ecology Flashcards
Which best describes ecology?
The study of communities
The study of living organisms
The study of living things and their environment
The study of populations
The study of living things and their environment
Which is an abiotic factor?
Fungi
Light
Parasites
Predation
Light
I plant flowers in my backyard, they grow back every year and support many insect populations. Which describes this ecosystem?
Population
Predation
Sustainable
Unsustainable
Sustainable
Which would result in a lot of competition between species?
A large area of habitat
Low population
Several species with different niches
Several species with similar niches
Low population
Which is a term for factors that determine the carrying capacity of an ecosystem.
Limiting factors
Nutrient factors
Population factors
Trophic levels
Limiting factors
When a population is at equilibrium what is happening?
It is staying the same
It is increasing
It is decreasing
It is unsustainable
It is staying the same
All of the dogs in a dog park together with the grass, soil and rocks would be an example of what?
Community
Ecology
Ecosystem
Population
Ecosystem
Which factor is density dependent?
Disease
Climate
Flood
Oil spill
Disease
Which factor is density independent?
Disease
Extreme weather events
Food
Space
Extreme weather events
Which process in the nitrogen cycle returns nitrogen gas to the atmosphere?
Denitrification
Lightning
Nitrogen fixing
Nitrification
Denitrification
What is the source of eutrophication?
A toxin
Excess nutrients
Excess plankton
Too much algae
Excess nutrients
What organism is responsible for nitrogen fixing?
Bacteria in plant roots
Plankton
Plants
Worms
Bacteria in plant roots
Which releases carbon into the atmosphere?
Cellular respiration
Photosynthesis
Eutrophication
Both A and B
Cellular respiration
What is the maximum number of individuals an area can support indefinitely due to a limited supply of resources?
Biotic potential
Carrying capacity
Exponential growth
Natality
Carrying capacity
Nitrogen is important to organisms and it must cycle within ecosystems. In what form can plants make use of nitrogen?
Ammonia
Nitrate
Nitrogen gas
Nitrate
