This printable crossword puzzle has 20 clues. Answers range from 5 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
is the study of how organisms interact with the living and nonliving things
: are living parts of the ecosystem
- non-living parts of the environment
is a species’ role in it’s environment
- all the organisms of a species that live in the same area
- all the different populations in an area
- all of earth's ecosystems
- is the struggle for resources among organisms.
are the living and non living things in the environment that limit the size of populations.
is the maximum population
kill and eat other organisms called Prey.
. - (producers) make their own food by photosynthesis
- must eat something for foodHeterotrophs - must eat something for food
- can only eat plants
. - can only eat animals
- can eat plants & animals
- same as heterotrophs
- break organisms down and return nutrients to the soil. They are the recyclers in the ecosystem.
- eat dead organisms that they did not kill themselves
- live off of another organism (host) and do not kill them usually