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Ecology Unit

Teacher: Mr. Allen
Across
place where an organism lives and that provides the types of food, shelter, moisture, and temperature needed for survival
any close relationship between species, including mutualism, commensalism, and parasitism
organism that cannot make own food, a heterotroph
living things within an ecosystem
non-living parts of ecosystem-air/water/soil/sun
(+,+) both organisms benefit
organism that makes its own food, autotroph.
largest number of individuals of a particular species that an ecosystem can support over time
complex network of many interconnected food chains and feeding relationships
(+, -) one organism benefits and the other is harmed
eat herbivores, omnivores, or other carnivores
in an ecosystem, refers to the unique ways an organism survives, obtains food and shelter, and avoids danger
(+,0) one organism benefits and the other is neither helped nor harmed
chain showing how energy passes from one organism to the next
Down
1st level consumer that only eat producers
all the living organisms that live in an area and the nonliving features of their environment
eat producers and consumers
consume wastes and dead organisms
one of any living thing
the number of individuals of one species that occupy the same area
anything that can limit the size of a population, including living and nonliving features of an ecosystem, such as predators or drought
all the populations of species that occupy an area
animal that hunts and kills other animals for food. It is a type of consumer [carnivore or omnivore]
study of the interactions that take place among organisms and their environment
show the direction in which energy flows. As the amount of available energy decreases, the pyramid gets smaller.
Each layer on a pyramid is called a ________ level.
large geographic areas with similar climates and ecosystems. Includes: Tundra, Desert, Tropical Rainforest, Temperate Rainforest, Grassland, Arctic Tundra, Temperate Deciduous Forest
an animal that is hunted and caught for food. It is a consumer; it may be a herbivore, omnivore, or carnivore.