Living Environment Translated Arabic 2014 | Page 66

15.Population- all of the organisms that belong to the same species
living in a community
16.Community- all of the populations of different species that live in
an ecosystem
17.Species- a group of organisms that share similar characteristics and
can reproduce among themselves to produce fertile offspring
18. Habitat- place where an organism lives and that provides the types
of food, shelter, moisture, and temperature needed for survival
19. Niche- how an organisms finds its food and shelter and avoids
danger
20. Competition- a relationship in which two organisms attempt to
obtain the same resource.
21. Biotic – features in the environment that are alive or were once
alive
22. Abiotic- nonliving, physical features of the environment, including
air, water, sunlight, soil, temperature and climate
23. Biodiversity- the variety of life in an area
24. Limiting factor- an environmental factor that can restrict the size of
a population
25. Carrying capacity- the largest number of individuals of a particular
species that an ecosystem can support over time
26. Producer- an organism that can make its own food; green plants
27. Autotroph- another name for a producer
28. Heterotroph- an organism that obtains its energy and nutrients by
eating other organisms
29. Consumer- another name for a heterotroph
30. Photosynthesis- the process by which plants use light energy to
produce a simple sugar ( glucose) from carbon dioxide and water
and give off oxygen
31. Food chain-a model that links organisms by their feeding
relationships
32. Herbivore- a consumer that eats only plant matter