living things within an ecosystem
chain showing how energy passes from one organism to the next
place where an organism lives and that provides the types of food, shelter, moisture, and temperature needed for survival
Each layer on a energy pyramid is called a ________ level.
eat herbivores, omnivores, or other carnivores
non-living parts of ecosystem-air/water/soil/sun
E/C: First woman to win the nobel prize for her ground-breaking research in to radiation.
organism that makes its own food, autotroph.
in an ecosystem, refers to the unique ways an organism survives, obtains food and shelter, and
avoids danger
all the living organisms that live in an area and the nonliving features of their environment
largest number of individuals of a particular species that an ecosystem can support
over time
(+, -) one organism benefits and the other is harmed in the symbiotic relationship.
(+,0) one organism benefits and the other is neither helped nor harmed in the symbiotic relationship.
organism that cannot make own food, they eat food from another source; a heterotroph
eat producers and consumers
an animal that is hunted and caught for food. It is a consumer; it may be a herbivore, omnivore, or
carnivore.