Population Size

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Limiting Factor Noun

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[lim-it-ing fak-ter]

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Limiting Factor

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Any biotic or abiotic factor that restricts the numbers, reproduction, or distribution of organisms in a population.

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Example: The image shows how limiting factors like food and space affect fish population growth.

Front

Reproduction Noun

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[ree-pro-duk-shun]

Back

Reproduction

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The biological process by which new individual organisms, or offspring, are produced, allowing a species to survive.

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Example: The image shows how a hydra reproduces by budding, where a new organism grows from the parent, illustrating asexual reproduction.

Front

Reproductive Potential Noun

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[ree-pro-duk-tiv po-ten-shul]

Back

Reproductive Potential

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The maximum rate at which a population of a given species can increase when there are no limiting factors.

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Example: The diagram compares reproductive methods in rabbits, showing offspring numbers and growth, but is too complex for Grade 6.

Front

Abiotic Adjective

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[ay-by-ot-ik]

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Abiotic

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Relating to the non-living physical and chemical parts of an ecosystem, such as sunlight, temperature, water, and soil.

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Example: The image uses icons like sunlight and water to show non-living parts of an ecosystem.

Front

Biotic Adjective

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[by-ot-ik]

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Biotic

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Relating to the living or once-living components of an ecosystem, such as plants, animals, fungi, and bacteria.

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Example: The image shows living organisms like animals and plants in an ecosystem, illustrating the concept of biotic components.

Front

Predation Noun

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[pre-day-shun]

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Predation

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A biological interaction where one organism, the predator, hunts, kills, and consumes another organism, its prey, for food.

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Example: A fox hunts and eats a fish, showing predation where one animal feeds on another.

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Predator Noun

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[pred-a-ter]

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Predator

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An animal that naturally preys on others for its food, hunting and killing them for energy and nutrients.

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Example: A lion hunting a wildebeest shows how predators hunt prey for food.

Front

Prey Noun

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[pray]

Back

Prey

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An animal that is hunted and killed by another for food, forming a crucial part of the food web.

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Example: A mouse is prey for an owl, showing its role in the food chain.

Front

Feral Adjective

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[fer-ul]

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Feral

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Describing an animal living in the wild that is descended from domesticated individuals, such as a feral cat or dog.

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Example: A feral cat in the wild, illustrating an animal living independently of humans.

Front

Microorganism Noun

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[my-kro-or-guh-niz-um]

Back

Microorganism

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A microscopic organism, such as a bacterium or virus, that is too small to be seen without a microscope.

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Example: A labeled diagram of a bacterium shows the structure of a microorganism, explaining its microscopic nature.