Ocean Zones/Lifestyles/Nature of Life 1/Photosynthesis Quiz Study Guide

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pelagic zone

open water portion of the ocean

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benthic zone

bottom of the ocean

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neritic zone

area from low tide to the edge of the continental shelf

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abyssopelagic zone

the deepest water in the open ocean

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supralittoral zone

shore bottom that is splashed but not submerged in the benthic zone

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nekton

marine organisms that swim

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plankton

marine organisms that drift with the current, unable to swim against the currents of the ocean

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benthos

marine organisms that live on or in the ocean floor

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Epifauna and Epiflora

the organisms (fauna) and plants (flora) that live on top of the ocean floor

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infauna

organisms that live in the mud and clay of the ocean floor

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characteristics of life

Movement, Respiration, Sensitivity, Growth, Reproduction, waste release, Nutrition

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Life requires energy to...

to accomplish work.

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cellular respiration

the conversion of carbohydrate into useable energy

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primary producers

create their own energy rich molecules used for life

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Chemosynthesis

performed in the absence of light.

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Products of Photosynthesis

Carbohydrate (primary), Oxygen

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Primary production in the ocean comes from...

phytoplankton

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Common elements found in life

H, C, N, O

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Primary way that hydrogen and oxygen enter lifeforms

through water consumption

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Rubisco

enzyme responsible for converting carbon dioxide allowing carbon to be fixed to other molecules

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Life organizes matter into...

cells and energy

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This system is light independent in photosynthesis

Calvin cycle

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Coral bleaching occurs when

The coral animal expels algae living inside them because the calvin cycle is hindered by warm waters.

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Rubisco is used during

the calvin cycle

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Primary producers create saccharides

true

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It takes more energy to create matter in a lifeform than that matter gives back.

True

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Scientists classify marine environments

based on a series of physical factors.

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Entropy states that life retains energy as it ages.

False

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Autotroph

An organism that makes its own food

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Heterotroph

An organism that cannot make its own food. Consumer

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Cellular respiration

releases energy from energy rich compounds.

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Production can fluctuate due to season, light availability, and based on geography.

True

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Organisms exist in a low entropy state.

True

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Calvin cycle

where the carbohydrates are created.

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Photosystem I

NADPH

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Photosystem II

ATP and frees up 2 electrons for photosystem I

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Calvin cycle

makes 'sugar'

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Effect of high temps on photosynthesis.

Hinders the Calvin cycle.

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Effect of Paraquat on photosynthesis

Increased ATP production, but Photosystem I and the Calvin Cycle were hindered.

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Effect of Diuron on photosynthesis

stops all electron transport by taking free electrons up immediately

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