GRADE 7 Alberta Science
FINAL REVIEW with 100%
correct answers
Ecology - answer the political movement that seeks to protect the
environment, especially from pollution
Ecologist - answer The study of living things, their environment, and the
relation between the two
4 basic needs of all living things - answer energy, water, homeostasis,
habitat/environment
Ecosystem - answer A system formed by the interaction of a community
of organisms with their physical environment
mutualism - answer A relationship between two species in which both
species benefit
parasitism - answer A relationship between two organisms of different
species where one benefits and the other is harmed
commensalism - answer A relationship between two organisms in which
one organism benefits and the other is unaffected
Examples of natural resources - answer Air, Oil, soil, sunlight, minerals,
fossil fuels, forests, animal life
Needs versus wants - answer need: something like air, food, or shelter
that is necessary for surviva Want: Well anything else
, Sustainability - answer The ability to keep in existence or maintain. A
sustainable ecosystem is one that can be maintained
Ecological footprint - answer A measure of human demand on the Earth's
ecosystems. It compares human demand with planet Earth's ecological
capacity to regenerate.
Abiotic versus biotic - answer Abiotic :Any nonliving component of an
environment
Biotic: Any living component of an environment.
Niche - answer (ecology) the status of an organism within its
environment and community (affecting its survival as a species)
Producers and consumers - answer Producers are plants and consumers
eat Producers or animals
Predator versus prey - answer Predator eat the prey
Herbivores, carnivores, omnivores - answer Herbivores: Consumers that
eat only plants
Carnivores: Consumers that eat only animals
Omnivores: Consumers that eat both plants and animals.
Food chains - answer Energy links between different organisms in an
ecosystem based on feeding habits.
Scavengers and decomposers - answer organisms that feed off of other
dead organisms
evaporation - answer The change of a substance from a liquid to a gas
transpiration - answer Evaporation of water from the leaves of a plant
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