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6.LS.2: Life Science (Ecosystems)
Terms in this set (44)
any factor, trait, or condition that can exist in differing amounts or types.
interaction between organisms or species in which both the organisms or species are harmed.
any close relationship between species.
an animal that naturally preys on others.
all living organisms and non-living factors in an environment.
diagram of several food chains connected together (multiple paths)
a graphical model of energy flow in a community. The different levels represent different groups of organisms that might compose a food chain.
the weather conditions prevailing in an area in general or over a long period.
The non-living parts of an environment (soil, air, water, temperature, sunlight)
The living parts of an environment
A large community of plants and animals that occupies a distinct region.
*Temperature can be around - 50 degrees.
* Receives less than 10 inches of rain.
* Has permafrost (permanently frozen soil)
*Plants have small roots
*Animals have thick fur/ short legs
Taiga (Coniferous Forest)
*Gets cold enough for snow, but not enough to freeze the ground.
*Average precipitation is between 30-85 inches.
*Has cone-bearing/ evergreen trees.
*Has mainly large animals (like Elk and wolves).
*Animals hibernate in cold months.
*Has temperature changes that allow all four seasons to take place.
*Trees change color and leaves fall.
*Has both small and large animals (deer/ raccoons).
*Average precipitation is between 30-60 inches a year.
*Hot and dry temperatures.
* Receives less than 10 inches of rain.
* Plants are small, have hollow roots for storing water.
* Most animals are nocturnal.
*Usually has just warm and cold seasons.
*Average precipitation between 10-30 inches a year.
*Animals move in herds.
*Fires occasionally burn through here.
*Average precipitation is between 50-260 inches.
*Hot and humid climate
*Has the most living species in the world.
*Plants grow tall and have large leaves (to soak up sunlight).
having to do with a body of water.
Includes streams, rivers, lakes, marshes and swamps; low salt levels
an introduced species that takes over habitat and poses a threat to native ecosystems; intrusive
a species that has been brought to their current locations by humans and often become invasive, or too pervasive for the environment.
make less severe, serious, or painful
The nonliving aspects of an ecosystem that largely determine the types and numbers of living things that can be supported. Includes most importantly temperature and moisture, but also light intensity, rock/mineral type, elevation, etc. (see abiotic).
a group of organisms of the same species living in a given area
relationship between humans and the environment
a major disaster resulting from natural processes of the Earth (floods, hurricanes, tornadoes, volcanic eruptions, earthquakes, tsunamis, etc.)
having to do with hearing
of or relating to seeing/ sight
transfer of information from one organism to another
an individual animal, plant, or single-celled life form.
a symbiotic relationship where one organism benefits and the other organism is harmed (+/-)
a symbiotic relationship where one organism benefits and the other organism is not affected (+/0)
a symbiotic relationship where both organisms benefit (+/+)
shows the path of energy flowing from one organism to another (one path)
Each step in a food chain or food web
part of Earth in which life exists including land, water, and air or atmosphere
All the animals, plants, and microorganisms that are found in a particular habitat
An organism that can make its own food.
An organism that obtains energy by feeding on other organisms
An organism that eats producers [herbivore]
An organism that eats primary consumers [carnivores]
a carnivore at the topmost level in a food chain that feeds on other carnivores; an animal that feeds only on secondary consumers.
An organism that breaks down wastes and dead organisms
A carnivore that feeds on the bodies of dead organisms
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