1) Ecology Definitions [Glossary] Flipbook PDF

1) Ecology Definitions [Glossary]

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Grade 9 Science – Biology Lesson 2

Ecology Definitions Term

Definition

Abiotic Factor

NON-LIVING environmental factors such as wind, heat, light and soil

Biodiversity

The VARIETY of different species in an area

Biotic Factor

LIVING ORGANISMS that interact with other living organisms in an ecosystem (e.g., organisms compete for resources, predators and prey)

Biogeography Study of the distribution of plants and animals Carnivore

Organism that eats MEAT

Community

All the populations of DIFFERENT organisms in an area

Food Chain

Simply, straight-line chain that shows the flow of energy from the primary producers to the top predator

Food Web

All food chains connected to show all relationships between organisms

Herbivore

Organism that eats PLANTS

Inorganic Substance

Substances that DO NOT contain a combination of carbon AND hydrogen

Omnivore

Organism that consumes both plants AND animals

Organic Substance

Substances that ALWAYS contain carbon AND hydrogen

Population

All the species of ONE organism in an area

Primary Consumer

Organism that cannot make its own food; rather it consumes the Producer.

Producer

Organism that is capable of making its own energy (e.g., tree, grass)

Secondary Consumer

Organisms that rely on and typically consume the Primary Producers as an energy source