Ecosystem Crossword PDF.pdf

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Name:    Date:
Ecosystem
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Across
3. a model that shows the number of
individuals at each level in a food chain or
food web
4. a sequence that shows how energy and
nutrients are transferred from one organism to
another in an ecosystem
7. an organism that hunts other living things
for food
10. an organism that makes its own food from
non-living materials
11. an animal that is hunted by a predator
13. an interaction between individuals of
different species that benefits both individuals
14. any living thing found in the environment
15. an organism that eats plants only
17. the interaction between abiotic and
biotic elements
18. an organism that eats other animals only
20. a process by which plants use water,
carbon dioxide, and sunlight to produce sugars
(food)
22. A symbiotic relationship in which one
partner benefits and the other is indifferent
(don't care)
23. an organism that eats already dead
animals
Down
1. a model that shows how food chains in an
ecosystem are connected
2. an organism that eats both plants and
animals
5. any non-living component of the
environment
6. a group of organisms of the same species
in a given area
8. an organism that consumes and breaks
down dead organisms or waste matter into
simple substance
9. an interaction between two organisms of
different species living in close proximity that
lasts over time
12. an organism that makes its own food from
non-living materials
16. a symbiotic relationhip in which one of
the partners is harmed and the other benefits
19. a living thing
21. the environment where an organism lives
Word Bank
organism
habitat
Ecosystem
decomposer
commensalism
biotic
food web
scavenger
herbivore
producer
abiotic
pyramid of numbers
producer
mutualism
population
photosynthesis
omnivore
food chain
carnivore
prey
symbiosis
parasitism
predator