Energy and Flow of Matter Practice Quiz

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Energy and Flow of Matter through an Ecosystem

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Ryan Corigliano

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Energy and Flow of Matter Practice Quiz Version en ligne Energy and Flow of Matter through an Ecosystem par Ryan Corigliano 1 The ultimate source of energy in our Solar System comes from: a water b oxygen c the sun d forces with the earth 2 Sunlight provides light and thermal energy and is referred to as: a wave energy b radiant energy c kinetic energy d chemical energy 3 Autotrophs are at the beginning of all food chains because they: a produce biomass b get their energy from consumers c produce their own energy d produce radiant energy 4 Producers create energy by transforming ___________ to ____________. a soil/glucose b sugar/radiation c chemical energy/radiant energy d radiant energy/chemical energy 5 Plants are important to ecosystems because they: a are instrumental in gas exchange between organsims b help prevent damaging erosion c provide energy for consumers d all choices are correct 6 Autotroph means 'to feed oneself'. The process of an autotroph 'feeding' itself is called: a chemosynthesis b photosynthesis c phototropism d chemotropism 7 The REACTANTS in photosynthesis are: a water and oxygen b oxygen and carbon dioxide c water and carbon dioxide d sunlight and water 8 The products of photosynthesis are: a glucose and oxygen b oxygen and carbon dioxide c water and oxygen d carbon dioxide and glucose 9 Which correctly states the flow of energy in a food chain? a sun--deer--grass--coyote b deer--grass--sun--coyote c sun--grass--deer--coyote d sun-grass--coyote--deer 10 If a food chain includes: sun--grass--deer-coyote. What's missing? a producer b primary consumer c secondary consumer d tertiary consumer 11 Energy pyramids get small at the top to represent what? a Energy is lost ate each trophic level as it flows through a food chain b Organisms are smaller as you look down the food chain c Each higher level consumer has fewer choices to feed on d All choices are correct 12 Which organism would belong in the SECOND level of an energy pyramid? a sun b grass c deer d coyote 13 How much energy is passed on to the next trophic level in a food chain? a 100% b 90% c 25% d 10% 14 Which organism would most likely only eat producers? a mouse b racoon c coyote d snake 15 Which type of organism breaks down dead organisms and waste, returning important nutrients to the environment? a Detritivore b Herbivore c Omnivore d Carnivore 16 Which type of organism eats plants and meat? a Detritivore b Omnivore c Carnivore d Herbivore 17 Which statement correctly describes the flow of energy through the food chain to the right? a Plants get their energy from insects. b Peccaries are a source of energy for mice. c Coyotes prey on peccaries for energy and nutrients. d The bobcat population receives the most energy from its food. 18 Oxygen is a gas produced by ____ and used by _____ a plants and animals b photosynthesis and carbon dioxide c animals and plants d carbon dioxide and photosynthesis 19 Which of the following removes carbon from the atmosphere? a combustion b respiration c photosynthesis d death 20 Organisms that do not decompose can be buried and become what? a water b nutrients c air d fossil fuels 21 If the plant population decreased, the amount of carbon would _________. a stay the same b increase c decrease 22 Why do all organisms need nitrogen? a To live and grow b to build phosphorus c To make oxygen levels grow d To help blood circulate better 23 What percent of gases in the atmosphere does nitrogen make up? a 20% b 9% c 50% d 78% 24 After decomposers return the nitrogen into the soil, what transforms a small amount of nitrogen into nitrogen gas? a Bacteria b Carbon c Phosphorus d Proteins 25 How nitrogen is "fixed" into usable form for plants a only through action of bacteria b only through lightning c through action of bacteria & lightning d through photosynthesis 26 Organism that breaks down dead plants & animals and releases nitrogen back into atmosphere a bacteria b plants c animals d producers 27 How plants get the nitrogen they need a from the air b from the soil or water in which they live c from the Sun d from broken down rocks 28 Bacteria fix nitrogen on plant roots. Plant roots provide sugar to bacteria. This is an example of a mutualism b parasitism c commensalism d competition 29 Organisms that play a role in the nitrogen cycle a animals b plants c bacteria d plants, animals, & bacteria 30 What part of the water cycle does this picture show? a condensation b precipitation c evaporation d sublimation 31 Which is the opposite of condensation? a runoff b evaporation c precipitation d transpiration 32 Does evaporation happen before or after condensation? a before b after c during 33 What is it called when plants give off water vapor as a waste product? a condensation b evaporation c sublimation d transpiration 34 Which stage does the #2 show in the diagram? a condensation b evaporation c precipitation d run off 35 Which stage does the #3 show in the diagram? a condensation b evaporation c precipitation d run off 36 what does the #4 show in the diagram? a condensation b evaporation c precipitation d run off

Energy and Flow of Matter Practice Quiz Version en ligne

Energy and Flow of Matter through an Ecosystem

par Ryan Corigliano

The ultimate source of energy in our Solar System comes from:

water

oxygen

the sun

forces with the earth

Sunlight provides light and thermal energy and is referred to as:

wave energy

radiant energy

kinetic energy

chemical energy

Autotrophs are at the beginning of all food chains because they:

produce biomass

get their energy from consumers

produce their own energy

produce radiant energy

Producers create energy by transforming _ to __.

soil/glucose

sugar/radiation

chemical energy/radiant energy

radiant energy/chemical energy

Plants are important to ecosystems because they:

are instrumental in gas exchange between organsims

help prevent damaging erosion

provide energy for consumers

all choices are correct

Autotroph means 'to feed oneself'. The process of an autotroph 'feeding' itself is called:

chemosynthesis

photosynthesis

phototropism

chemotropism

The REACTANTS in photosynthesis are:

water and oxygen

oxygen and carbon dioxide

water and carbon dioxide

sunlight and water

The products of photosynthesis are:

glucose and oxygen

oxygen and carbon dioxide

water and oxygen

carbon dioxide and glucose

Which correctly states the flow of energy in a food chain?

sun--deer--grass--coyote

deer--grass--sun--coyote

sun--grass--deer--coyote

sun-grass--coyote--deer

If a food chain includes: sun--grass--deer-coyote. What's missing?

producer

primary consumer

secondary consumer

tertiary consumer

Energy pyramids get small at the top to represent what?

Energy is lost ate each trophic level as it flows through a food chain

Organisms are smaller as you look down the food chain

Each higher level consumer has fewer choices to feed on

All choices are correct

Which organism would belong in the SECOND level of an energy pyramid?

sun

grass

deer

coyote

How much energy is passed on to the next trophic level in a food chain?

100%

90%

25%

10%

Which organism would most likely only eat producers?

mouse

racoon

coyote

snake

Which type of organism breaks down dead organisms and waste, returning important nutrients to the environment?

Detritivore

Herbivore

Omnivore

Carnivore

Which type of organism eats plants and meat?

Detritivore

Omnivore

Carnivore

Herbivore

Which statement correctly describes the flow of energy through the food chain to the right?

Plants get their energy from insects.

Peccaries are a source of energy for mice.

Coyotes prey on peccaries for energy and nutrients.

The bobcat population receives the most energy from its food.

Oxygen is a gas produced by and used by _

plants and animals

photosynthesis and carbon dioxide

animals and plants

carbon dioxide and photosynthesis

Which of the following removes carbon from the atmosphere?

combustion

respiration

photosynthesis

death

Organisms that do not decompose can be buried and become what?

water

nutrients

air

fossil fuels

If the plant population decreased, the amount of carbon would _________.

stay the same

increase

decrease

Why do all organisms need nitrogen?

To live and grow

to build phosphorus

To make oxygen levels grow

To help blood circulate better

What percent of gases in the atmosphere does nitrogen make up?

20%

50%

78%

After decomposers return the nitrogen into the soil, what transforms a small amount of nitrogen into nitrogen gas?

Bacteria

Carbon

Phosphorus

Proteins

How nitrogen is "fixed" into usable form for plants

only through action of bacteria

only through lightning

through action of bacteria & lightning

through photosynthesis

Organism that breaks down dead plants & animals and releases nitrogen back into atmosphere

bacteria

plants

animals

producers

How plants get the nitrogen they need

from the air

from the soil or water in which they live

from the Sun

from broken down rocks

Bacteria fix nitrogen on plant roots. Plant roots provide sugar to bacteria. This is an example of

mutualism

parasitism

commensalism

competition

Organisms that play a role in the nitrogen cycle

animals

plants

bacteria

plants, animals, & bacteria

What part of the water cycle does this picture show?

condensation

precipitation

evaporation

sublimation

Which is the opposite of condensation?

runoff

evaporation

precipitation

transpiration

Does evaporation happen before or after condensation?

before

after

during

What is it called when plants give off water vapor as a waste product?

condensation

evaporation

sublimation

transpiration

Which stage does the #2 show in the diagram?

condensation

evaporation

precipitation

run off

Which stage does the #3 show in the diagram?

condensation

evaporation

precipitation

run off

what does the #4 show in the diagram?

condensation

evaporation

precipitation

run off

Energy and Flow of Matter Practice Quiz

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