Exploring Life

Front

Organism Noun

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[or-guh-niz-um]

Back

Organism

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A single, self-contained living being, such as an animal, plant, or single-celled life form.

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Example: An otter in water represents an organism, a living being in nature.

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, known as offspring, are produced from their parents.

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Example: The image shows how reproduction creates a new organism by combining egg and sperm to form a zygote, leading to an embryo.

Front

Stimulus Noun

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[stim-yuh-lus]

Back

Stimulus

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A detectable change in the internal or external environment that causes a reaction or response in an organism.

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Example: The image shows how plants bend towards light, illustrating the concept of stimulus and response in plants.

Front

Homeostasis Noun

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[hoh-mee-oh-stay-sis]

Back

Homeostasis

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The ability of an organism or cell to maintain stable internal conditions despite changes in the external environment.

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Example: The image shows how the body maintains stable temperature by sweating when hot and shivering when cold.

Front

Cell Noun

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[sel]

Back

Cell

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The smallest structural and functional unit of an organism, considered the basic building block of all life.

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Example: The image shows the parts of an animal cell, labeling each component like the nucleus and mitochondrion, to explain its structure.

Front

Microscope Noun

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[my-kruh-skohp]

Back

Microscope

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An optical instrument used for viewing very small objects that are not visible to the naked eye.

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Example: This image labels the parts of a microscope, showing how it helps view tiny objects.

Front

Cell Theory Noun

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[sel thee-uh-ree]

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Cell Theory

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The scientific theory stating that all living things are composed of cells, which are the basic unit of life.

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Example: The image shows the parts of a cell, highlighting that all living things are made of cells, the basic unit of life.

Front

Light Microscope Noun

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[lyt my-kruh-skohp]

Back

Light Microscope

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A microscope that uses visible light and a system of lenses to magnify images of small samples.

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Example: The image shows a light microscope with labeled parts, demonstrating how it uses lenses and light to magnify samples.

Front

Electron Microscope Noun

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[ih-lek-tron my-kruh-skohp]

Back

Electron Microscope

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A powerful microscope that uses a beam of accelerated electrons as a source of illumination to magnify objects.

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Example: The image shows how an electron microscope uses an electron beam to magnify a specimen, with parts like the electron gun and magnetic lens labeled.

Front

Microbiology Noun

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[my-kroh-by-ol-uh-jee]

Back

Microbiology

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The scientific study of microorganisms, which are living things too small to be seen with the naked eye.

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Example: A modern laboratory where scientists study microorganisms, too small to see without a microscope.