Community Interactions
Population Dynamics
Trophic Levels
Food Web
Miscellaneous Vocabulary
Community Interaction part 2
100
An organism that eats meat
What is a Carnivore
100
Many individuals of the same species in one area is a
What is a population?
100
Plants source of energy
What is sun
100
Food chains that are interconnected/overlaps in a particular ecosystem
What is a food web?
100
the variety of species in an ecosystem
Biodiversity
100
a close, interdependent relationship between two species
symbiosis
200
something that eats something else for food
What is a consumer? (heterotroph)
200
occurs when a population's growth slows and then stops following a period of exponential growth
logistic growth
200
Plants use this process to turn light into chemical energy
What is photosynthesis?
200
An animal that eats plants or other animals and does not make its own food.
What is a consumer?
200
one organism of one species
What is an individual?
200
Describe the difference between mutualism and commensalism
Mutualism is a symbiotic relationship in which both species benefit; commensalism: only one species benefits, the other is not affected
300
any animal that feeds mainly on plants; plant-eater
What is a herbivore?
300
the maximum number of individuals of a particular species that an environment can support
carrying capacity
300
This is how much energy is transferred from one level to the next
What is 10% energy loss?
300
Any living thing that feeds on already broken down dead bodies of other living things (mostly fungus and bacteria)
What is a decomposer?
300
The area of the Earth that includes living things
What is the biosphere?
300
bacteria, fungi, worms, ants, beetles, sow bugs
What are some examples of decomposers?
400
The living and nonliving things in an area and the ways they interact in an environment (ex: redwood forest, swamp, Mojave Desert)
What is an ecosystem?
400
something that restricts the number of organisms that can live in an area.
What is a limiting factor?
400
At the bottom of a trophic pyramid, what are those organisms called
What are producers (autotrophs)
400
An organism that uses sunlight to create its food
What is a producer (autotroph)
400
An area that is suitable for a particular organism to live in is called....
What is a habitat?
400
all the species living in a particular area
What is a community?
500
any living thing that feeds on both plants and animals
What is an omnivore?
500
limiting factors that affect all populations equally regardless of population size (ex: flooding, fire)
density-independent limiting factors
500
What happens to the total number of organisms as you move up a trophic pyramid?
decreases
500
This is the direction the arrow points in a food web
What is from the prey to the predator
500
Describe a keystone species
plays a vital role in maintaining an ecosystem, this helps multiple other species
500
an organism that hunts, kills, and eats other organisms
What is a predator
600
a density-dependent limiting factor in which organisms (or species) try to gather needed resources before others
What is competition?
600
Identify the part of the graph labeled b
exponential growth
600
This is the percentage of energy loss as you move up the energy pyramid
What is 90%?
600
This is the type of organism that sits at the third level on an energy pyramid
What is a secondary consumer (omnivore)?
600
Air, water, and the Sun are all ......
What is are abiotic factors?
600
An organism that feeds on dead and decaying animals
What are scavengers?
700
Identify the relationship shown on the graph
Predator-prey relationship
700
Identify the part of the graph labeled d
carrying capacity
700
On a trophic pyramid what is the organism that eats the producer
What are primary consumers?
700
Look at the food web. This describes the relationship between the fox and the eagle.
What is competition?
700
Living and dead biomass in an ecosystem is called...
What is biotic?
700
organism that feeds on trash (discarded feces, hair, other parts)
What is a detritivore?