Unit 2 Carbon Cycle Study Guide and Practice

Carbon Cycle Assignments

​To fully prepare for the test, you should complete this study guide/practice assignment as well as these seven assignments with passing grades (preferably 100%).

4.1, 4.2 LESSON 4.3 LESSON
4.1, 4.2 Quiz 4.3 QUIZ
4.1, 4.2 Vocabulary 4.3 Vocabulary
EdPuzzle Carbon Cycle

You'll Find links to these on the next slide so you can check your grades on all of them.

Unit 2 Carbon Cycle Study Guide CP Links - Google Slides

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Match

Match the following

• autotroph

• heterotroph

• photosynthesis

• chemosynthesis

organism that captures energy from sunlight or chemicals and use it to produce food

organism that obtains food by consuming other living things

process that captures light energy and uses it to convert carbon dioxide into carbohydrates

chemical energy makes carbohydrates

• organism that captures energy from sunlight or chemicals and use it to produce food

• organism that obtains food by consuming other living things

• process that captures light energy and uses it to convert carbon dioxide into carbohydrates

• chemical energy makes carbohydrates

Match

Match the following

• primary producer

• consumer

• detritus

organism that captures energy from sunlight or chemicals and use it to produce food

organism that obtains food by consuming other living things

made of decaying bits of organic matter

• organism that captures energy from sunlight or chemicals and use it to produce food

• organism that obtains food by consuming other living things

• made of decaying bits of organic matter

Categorize

Options (4)

Organize these options into the right categories

Carnivore

Producer

Decomposer

Herbivore

Categorize

Options (6)

an earthworm that eats decaying matter

bear that feeds on plants and animals

cow that feeds only on plants

snail that feeds on dead plants, algae and fungi

owl that feeds only on animals

human who feeds on plants and animals

Organize these options into the right categories

Herbivore

Carnivore

Omnivore

Detritivore

Categorize

Options (5)

requires light

does not require light

captures energy from the Sun

captures energy from inorganic matter

produces carbohydrates

Do the statements below describe Photosynthesis or Chemosynthesis?

Photosynthesis

Chemosynthesis

Describes Both

Multiple Choice

Primary producers are organisms that

• rely on other organisms for their energy and food supply

• consume plant and animal remains and other dead matter

• are the first creators of energy rich compounds that can be used later by other organisms

• obtain energy by eating only plants

Match

Match the following

• food chain

• food web

• ecological pyramid

a series of steps in an ecosystem in which organisms transfer energy by eating and being eaten

network of complex interactions formed by the feeding relationships among organisms in an ecosystem

illustration of the relative amounts of energy or matter contained within each trophic level

• a series of steps in an ecosystem in which organisms transfer energy by eating and being eaten

• network of complex interactions formed by the feeding relationships among organisms in an ecosystem

• illustration of the relative amounts of energy or matter contained within each trophic level

Match

Match the following

• trophic level

• biomass

• phytoplankton

each step in a food chain or food web

total amount of living tissue within a step of a food chain or web

photosynthetic algae found near the surface of the ocean

• each step in a food chain or food web

• total amount of living tissue within a step of a food chain or web

• photosynthetic algae found near the surface of the ocean

Drag and Drop

Organize the organisms into the most likely food chain.



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Drag these tiles and drop them in the correct blank above

grass

grasshopper

cow

frog

snake

hawk

Multiple Choice

The series of steps in which a large fish has eaten a small fish that has eaten algae.

• food web

• food chain

• pyramid of numbers

• pyramid of biomass

Multiple Choice

Which of the following models the amount of energy or matter contained in each trophic level of a food chain or food web?

• carbon cycle

• nutrient pyramid

• ecological pyramid

• biogeochemical cycle

Multiple Choice

Most of the energy in an organisms life is used up performing life functions or is passed off as heat to the environment.

About how much energy passes on the the next trophic level in a food chain?

• 1%

• 10%

• 25%

• 50%

Match

Match the following

• biogeochemical cycle

• carbon reservoir

• nutrient

process in which forms of matter are passed from one part of the biosphere to another

a natural feature (such as a landmass, forest, or ocean) that stores carbon

chemical substance that an organism needs to sustain life

• process in which forms of matter are passed from one part of the biosphere to another

• a natural feature (such as a landmass, forest, or ocean) that stores carbon

• chemical substance that an organism needs to sustain life

Match

Match the following

• nitrogen fixation

• denitrification

• limiting nutrient

process of converting nitrogen gas into nitrogen compounds that plants can absorb and use

process by which bacteria convert nitrates into nitrogen gas

single essential chemical substance that that slows or stops productivity in an ecosystem

• process of converting nitrogen gas into nitrogen compounds that plants can absorb and use

• process by which bacteria convert nitrates into nitrogen gas

• single essential chemical substance that that slows or stops productivity in an ecosystem

Multiple Choice

Which of the following is NOT true about matter in the biosphere?

• matter is transferred in one direction in the biosphere

• biochemical cycles transform and reuse molecules

• the total amount of matter decreases over time

• human activity does not affect the movement of matter

Categorize

Options (5)

burning fossil fuels

heat and pressure form fossil fuels

CO₂ dissolving in the ocean

photosynthesis

respiration

Organize these steps of the carbon cycle into the right categories.

Physical/Chemical

Biological

Geological

Human Activities