Flow Of Energy Flashcards

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1
Q

Ecosystem

A

An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. These biotic and abiotic components are linked together through nutrient cycles and energy flows.

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2
Q

Producer

A

Producers, also known as autotrophs, make their own food. They make up the first level of every food chain.

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3
Q

Consumer

A

Consumer in a food chain are living creatures that eat organisms from a different population.

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4
Q

Decomposer

A

Decomposers are organisms that break down dead or decaying organisms, they carry out decomposition, a process possible by only certain kingdoms, such as fungi.

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5
Q

Food Chain

A

A food chain is a linear network of links in a food web starting from producer organisms and ending at apex predator species, detritivores, or decomposer species. A food chain also shows how organisms are related to each other by the food they eat. Each level of a food chain represents a different trophic level.

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6
Q

Food Web

A

A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community. Another name for food web is consumer-resource system.

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7
Q

Photosynthesis

A

the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.

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8
Q

Cellular respiration

A

Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from oxygen molecules or nutrients into adenosine triphosphate, and then release waste products.

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