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Study Guide

Study Guide

Assessment

Presentation

Science

7th Grade

Easy

NGSS
MS-LS1-6, MS-LS2-3, MS-ESS1-1

+18

Standards-aligned

Created by

Emmet O'Melia

Used 1+ times

FREE Resource

66 Slides • 52 Questions

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​Study Guide

By Emmet O'Melia

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Vocabulary

  • Biotic vs Abiotic

  • Population

  • Community

  • Ecosystem

  • Autotroph vs Heterotroph

  • Habitat vs Niche

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Multiple Choice

If a scientist in New Zealand was studying how a group of herbivores interacted with a group of omnivores, and all of their abiotic surroundings, what level of ecology would she be studying?

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Community

2

Population

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Species

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Ecosystem

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Biome

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Food Webs

  • Be able to take organisms and construct an accurate food web

  • Be able to accurately show the flow of energy throughout an ecosystem

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Multiple Choice

What is the PRODUCT of the process used by producers that is passed on as energy throughout an ecosystem?

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photosynthesis

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Sun

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glucose

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carbon dioxide

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water

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Trophic Pyramids

  • Be able to accurately place and label organisms that belong at each level

  • Be able to use the Rule of 10% to calculate energy available at each level 

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Abiotic and Biotic factors

Description. Biotic and abiotic factors are what make up ecosystems. Biotic factors are living things within an ecosystem; such as plants, animals, and bacteria, while abiotic are non-living components; such as water, soil and atmosphere.

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Some text here about the topic of discussion

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Multiple Choice

The non-living parts of the environment such as rocks, air, temperature, sunlight, and water

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Abiotic

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Biotic

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Habitat

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Community

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Multiple Select

Below is a list of factors in an ecosystem. Select all the abiotic factors.

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Shelter

2

Water

3

Protists

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Sunlight

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Prokaryotes

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Multiple Choice

All of the water in earth is in the hydrosphere

1

True

2

False

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Multiple Choice

"The rivers holds most of the water of our planet"

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True

2

False

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Multiple Choice

Put the levels of organization in order from smallest to largest:

1

Population, organism, ecosystem, biosphere, community

2

Ecosystem, population, organism, community, biosphere

3

Organism, population, ecosystem, biosphere, community

4

Organism, population, community, ecosystem, biosphere

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Multiple Choice

Which of the following is an example of a hawksbill interacting with an abiotic factor?

1

Hawksbill digs a nest in the sand

2

Hawksbill eats a sea sponge

3

Hawksbill mates with another hawksbill

4

Hawksbill gets attacked by a shark

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Multiple Choice

A community is different from a population by having what?

1

Communities have biotic and abiotic factors

2

Communities have one species living together

3

Communities have many different species living together

4

Community begins with one individual

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Population Ecology

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Multiple Choice

Question image

A lichen is a combination of two organisms, an alga and a fungus. The fungus gets its food from the alga while the alga gets water from the fungus. This is an example of which relationship?

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competition

2

mutualism

3

commensalism

4

parasitism

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Multiple Choice

Question image
What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.
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commensalism
2
mutualism
3
parasitism
4
predation

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Multiple Choice

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When a mosquito bites you, you are the __________ and the mosquito is the  ____________.
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host, hostess
2
parasite, host
3
host, parasite
4
prey, predator

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Multiple Choice

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A lion stalks a herd of antelope wading in a pond. A flock of water birds on the shore become startled by the sound of the lion’s approach and fly away with a great deal of noise. The birds’ sudden departure gives warning to the antelope, and they are also able to escape safely. What type of relationship exists between the birds and the antelope?

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competition

2

mutualism

3

commensalism

4

parasitism

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Multiple Choice

Question image

A lichen is a combination of two organisms, an alga and a fungus. The fungus gets its food from the alga while the alga gets water from the fungus. This is an example of which relationship?

1

competition

2

mutualism

3

commensalism

4

parasitism

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Multiple Choice

Question image
What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.
1
commensalism
2
mutualism
3
parasitism
4
predation

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Multiple Choice

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When a mosquito bites you, you are the __________ and the mosquito is the  ____________.
1
host, hostess
2
parasite, host
3
host, parasite
4
prey, predator

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Multiple Choice

Which is represented by all of the bullfrogs living around a pond?
1
community
2
habitat
3
population

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Multiple Choice

Which is an example of a parasitic relationship?
1
a bee pollinates a flower
2
a tapeworm takes nutrients from a dog
3
an orchid lives in a tree but does not harm the tree

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Multiple Choice

In which type of relationship do both species benefit?
1
parasitism
2
mutualism
3
commensalism

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​- Unicellular = one celled organism

- Multicellular = more than one celled organism​

Single-celled organism vs multi-celled organism

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  • No true nucleus (Pro rhymes with no)

  • Contains DNA

  • Is a single-celled organism​

Prokaryotes​

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Multiple Choice

What is a prokaryote?

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A multi-celled organism with no nucleus

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A single-celled organism with no nucleus

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A multi-celled organism with a true nucelus

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A multi-celled organism with no nucleus

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  • blue-green algae

  • bacteria

  • mycoplasma

Examples of prokaryotes

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  • Bacteria are prokaryotic cells

  • Bacteria are classified according shape

  • Bacteria are round (coccus), rod (bacillus) or spiral shaped (spirillum)

bacteria

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Multiple Choice

Which of these is not a form of classification for bacteria?

1

Round-shaped "coccus"

2

Rod-shaped "bacillus"

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Spiral-shaped "spirillum"

4

Color of the bacteria

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  • True nucleus (Eu rhymes with True)

  • DNA is inside a membrane

  • Contains other membrane-bound organelles

eukaryotes

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  • Animal Cells

  • Plants Cells​

Examples of eukaryotes

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A Tale of Two Cells: Prokaryotic & Eukaryotic Cells

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Multiple Select

Eukaryotic DNA is...

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Large

2

Kept in a nucleus

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Circular

4

Linear

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Multiple Choice

Prokaryotic DNA is...

1

circular

2

in a nucleus

3

tightly packed

4

small

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Multiple Choice

Prokaryotes are...

1

Newer, Smaller, Complicated

2

Older, Smaller, and Simpler

3

Newer, Larger, and Simpler

4

Older, Larger, and Simpler

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Multiple Choice

Which of the following are reactants of photosynthesis?

1

water (H2O) and glucose (C6H12O6)

2

glucose (C6H12O6) and carbon dioxide (CO2)

3

carbon dioxide (CO2) and water (H2O)

4

oxygen (O2) and water (H2O)

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Cellular Respiration

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When cells take that glucose made during photosynthesis and use the energy to make ATP​

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Multiple Choice

Which of the following are products of photosynthesis?

1

water (H2O) and glucose (C6H12O6)

2

glucose (C6H12O6) and carbon dioxide (CO2)

3

carbon dioxide (CO2) and water (H2O)

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oxygen (O2) and glucose (C6H12O6)

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So here is the overall reaction for Cellular Respiration

Glucose + Oxygen --> Carbon dioxide + Water + Energy

C6H12O6 + 6 O2 --> 6 CO2 + 6 H2O + ATP​

Subject | Subject

Some text here about the topic of discussion

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Multiple Choice

Which type of organism would MOST likely benefit directly from increased levels of CO2?

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mushroom

2

tree

3

bird

4

fish

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Multiple Choice

Cellular respiration occurs in

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chloroplasts

2

mitochondria

3

golgi aparatus

4

thylakoid

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Multiple Choice

In which way are photosynthesis and cellular respiration different?

1

Cellular respiration stores ATP, while photosynthesis releases ATP.

2

Cellular respiration produces oxygen, while photosynthesis uses oxygen.

3

Photosynthesis releases energy, while cellular respiration stores energy.

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Photosynthesis uses carbon dioxide, while cellular respiration produces carbon dioxide.

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Multiple Choice

Question image
Which of these is NOT AN IMPACT photosynthesis has on an ecosystem:
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Oxygen for animals and humans to breathe
2
Food for us to eat
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Taking CO2 out of the air
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Taking oxygen out of the air

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Multiple Choice

What % of freshwater on Earth is drinkable and easy to get?

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97%

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1%

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20%

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5%

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Multiple Choice

Most of the freshwater on Earth is trapped .....

1

Oceans

2

Lakes and Rivers

3

Groundwater

4

Glaciers

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Multiple Choice

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The process in which water vapor is released into the atmosphere through plants.

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evaporation

2

transpiration

3

condensation

4

precipitation

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Open Ended

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What are some differences you see between Prokaryotic and Eukaryotic cells

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Multiple Choice

Prokaryotic cells have a nucleus.

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True

2

False

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Fill in the Blank

Type answer...

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Multiple Choice

Prokaryotes are...

1

Newer, Smaller, Complicated

2

Older, Smaller, and Simpler

3

Newer, Larger, and Simpler

4

Older, Larger, and Simpler

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Multiple Choice

Eukaryotic cells have a nucleus.

1

True

2

False

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Multiple Choice

Prokaryotic DNA is...

1

circular

2

in a nucleus

3

tightly packed

4

small

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Open Ended

An example of a prokaryote is...

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​4. Eukaryotes include animal and plant cells

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Multiple Select

Eukaryotic DNA is...

1

Large

2

Kept in a nucleus

3

Circular

4

Linear

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Open Ended

An example of a eukaryote is...

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​How were eukaryotic cells created?

​Click on the YouTube link to watch the video about the Endosymbiosis theory

https://www.youtube.com/watch?v=8oSqXAwLsZc

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Open Ended

Describe a prokaryotic cell and give an example. Describe a eukaryotic cell and give an example.

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Multiple Choice

Question image

What is the percentage of the Nitrogen in the air ?

1

1%

2

21%

3

78%

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Multiple Choice

Question image

Based on the picture, what is the chemical formula for atmospheric nitrogen?

1

N

2

N2

3

NH3

4

NO3

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Multiple Choice

Which of these nitrogen cycle processes converts atmospheric nitrogen to a soil form of nitrogen that is usable by plants?

1

nitrogen fixation

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nitrification

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denitrification

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ammonification

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Multiple Choice

How nitrogen is "fixed" into useable form for plants...

1

Through action of bacteria only

2

Through lightning only

3

Through action of bacteria & lightning

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Multiple Choice

Why is the nitrogen cycle important for the survival of organisms in an ecosystem?

1

The nitrogen cycle recycles nitrogen through an ecosystem, making it available to all organisms.

2

The nitrogen cycle allows all organisms in an ecosystem to consume nitrogen instead of consuming each other.

3

The nitrogen cycle stores nitrogen in safe places, keeping it from entering an ecosystem.

4

The nitrogen cycle keeps organisms from consuming nitrogen in their ecosystem.

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Drag and Drop

The nitrogen cycle take place ​
Drag these tiles and drop them in the correct blank above
upper atmosphere
in the digestive track of animals
outer space
in the soil

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Multiple Choice

Which stage of the nitrogen cycle involves changing nitrites to nitrates?

1

nitrogen fixation

2

ammonification

3

nitrification

4

denitrification

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Multiple Choice

Which stage of the nitrogen cycle involves changing atmospheric nitrogen into ammonium ions?

1

nitrogen fixation

2

ammonification

3

nitrification

4

denitrification

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Multiple Choice

Which stage of the nitrogen cycle involves changing nitrates into atmospheric nitrogen?

1

nitrogen fixation

2

ammonification

3

nitrification

4

denitrification

​Study Guide

By Emmet O'Melia

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