limiting factors
Ecology is the study of...
A. How people change their environment
B. How living things go through their life cycle
C. How living creatures interact with each other and their environment
D How animals communicate with each other and with people
C. How living creatures interact with each other and their environment
What is evaporation?
A. the conversion of gas to solid
B. the conversion of gas to liquid
C. the conversion of liquid to gas
D. the conversion of solid to gas
C. the conversion of liquid to gas
What type of interaction occurs when an organism eats another non-producer as a food source?
A. competition
B. parasitism
C. predation
D. commensalism
C. predation
What kind of organism is on the bottom level of an energy pyramid?
A. Consumer
B. Producer
C. Decomposer
D. Apex Predator
B. Producer
Which level of organization? Polar bears living in Antarctica?
A. community
B. population
C. biome
D. ecosystem
B. population
A limiting factor that affects all populations in similar ways regardless of their size
A. drought
B. disease
C. predation
D. crowding
A. drought
What is transpiration?
A. the movement of water around a plant
B. the loss of water vapor from the leaves and stems of plants
C. The process of water being transported from soil to roots
D. The opening and closing of stomata
B. the loss of water vapor from the leaves and stems of plants
Which of the following is not a producer?
A. oak tree
B. seaweed
C. amoeba
D. grass
C. amoeba
Is energy one directional or cyclic?
one directional
Which level of organization? Area of trees, black bears, squirrels, fungi, soil, rocks, and air.
A community
B. population
C. biome
D. ecosystem
D. ecosystem
What is Symbiosis?
A. When an organism has aged
B. The interaction between two different organisms in an environment
C. An organism that does not interact with others
D. The birth and death of an organism
B. The interaction between two different organisms in an environment
Surface runoff....
A. is water that flows over land that may end up in a river or channel
B. is water that is inside of clouds
C. water that enters the ground
D. water that seeps into aquifers
A. is water that flows over land that may end up in a river or channel
Which type of diagram shows feeding relationships between all organisms in an ecosystem?
A. food chain
B. food web
C. Energy pyramid
D. Biomass pyramid
B. food web
The bottom of the energy pyramid is made up of
A. consumers
B. decomposers
C. producers
D. all of the above
C. producers
Which level of organization? All biotic and abiotic factors on planet Earth
A. community
B. ecosystem
C. biome
D. biosphere
D. biosphere
Which of the following would be a limiting factor affecting the panda population of China?
A. programs that educate people about endangered species
B. a disease that kills bamboo plants (their food source)
C. laws protecting habitat destruction
B. a disease that kills bamboo plants (their food source)
Percolation is the flow of water
A. over mountains and icebergs
B. from rivers into oceans
C. through soil and rock layers
D. from mountaintops into rivers and streams
C. through soil and rock layers
Which type of diagram shows the energy passed from one organism to another in a sequence?
A. food chain
B. food web
C. Energy pyramid
D. Biomass Pyramid
A. food chain
Where do tertiary consumers stand on an energy pyramid?
A. at the bottom
B. at the top because nothing eats them
C. Second from the bottom because they are herbivores
D. second to the top
B. at the top because nothing eats them
Which level of organization? Bears, squirrels, fungi and trees in an area
A. community
B. ecosystem
C. biome
D. population
A. community
Which of the following is a density independent factor?
A. predation
B. disease
C. destructive hurricane
D. parasites
C. destructive hurricane
Abiotic or biotic factors? Amount of rainfall, temperature and wind patterns in the rainforest
abiotic
A penguin eats fish, which eats krill, which eats phytoplankton. What type of consumer is it?
A. primary consumer
B. secondary consumer
C. tertiary consumer
D. producer
C. tertiary consumer
The percentage of energy that goes from one organism to the organism that eats it is...
10%
The study of interactions between biotic and abiotic factors?
A. biogeography
B. biogeochemical cycles
C. ecology
D. anthropology
C. ecology