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Ecology

Kayanna Hagenow

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Across
4.Symbiosis that is beneficial to both organisms involved.
5.Organism that obtains energy by eating plants and animals.
6.Organism that is able to capture energy from sunlight or chemicals and use it to produce its own good from inorganic compounds.
9.Assemblage of different populations that live together in a defined area.
10.Symbiotic relationship in which one organism benefits and the other is neither helped nor harmed.
11.A position or role taken by a kind of organism within its community.
12.Total amount of living tissue within a given trophic level.
17.Each of several hierarchical levels in an ecosystem, comprising organisms that share the same function in the food chain and the same nutritional relationship to the primary sources of energy.
20.An animal that feeds on dead organic material.
21.The process by which the structure of a biological community evolves over time.
22.Any factor limiting the size of a population whose effect is dependent on the number of individuals in the population.
24.Organism that obtains energy by eating plants.
25.A community of animals, plants, living in a given area.
26.The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
27.A symbiotic relationship between two organisms in which one of them acts as predator and the other organism that serves as the prey.
28.Organism that obtains energy by making their own food.
29.Any living part of the environment with which an organism might interact.
Down
1.Interaction between two different organisms living in close physical association, typically to the advantage of both.
2.Largest number of individuals of a particular species that a particular environment can support.
3.Organism that breaks down and obtains energy from dead organic matter.
7.A group of ecosystems that share similar climates and typical organisms.
8.Total of the variety of organisms in the biosphere; also called biological diversity.
13.A biological community of interacting organisms and their physical environment.
14.The natural home or environment of an animal, plant, or other organism.
15.Environmental conditions that limit the growth, abundance, or distribution of an organism or a population of organisms in an ecosystem.
16.Organism that relies on other organisms for its energy and food supply.
18.Organism that obtains energy by eating animals.
19.A hierarchical series of organisms each dependent on the next as a source of food.
23.Physical, or nonliving factor that shapes an ecosystem.

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