What must other organisms do instead of photosynthesis?

Other organisms must consume plants, animals or both.

Other organisms must decomposition plants, animals, or both.

Other organisms must ferment plants, animals, or both.

Other organisms must use nitrogen fixation on plants, animals, or both.

Look at the graphic to the left. Explain the connection between photosynthesis and cellular respiration in terms of products and reactants.

Photosynthesis and cellular respiration use each other's products as reactants.

Cellular respiration produces glucose and oxygen, which are used in photosynthesis.

Photosynthesis consumes carbon dioxide and water to produce glucose and nitrogen.

Photosynthesis and cellular respiration are unrelated processes with no exchange of products.

Where do producers obtain the carbon atoms that are used to make glucose (C₆H₁₂O₆) molecules produced in the chemical reaction of photosynthesis?

Carbon dioxide (CO₂) from the atmosphere.

Oxygen (O₂) from the atmosphere.

Glucose (C₆H₁₂O₆) from the soil.

A tree falls in the woods, killing a mouse. They both decay and become part of the soil. What are they returning to the ecosystem that proves the Law of Conservation of Matter?

Matter cannot be created or destroyed, only transformed. Decomposers break down the organism into smaller particles and return the particles to their cycles.

Water and carbon are essential molecules are key components of photosynthesis, where plants combine H₂O and CO₂ with sunlight energy to produce glucose and oxygen, supporting life on Earth.

The atmosphere contains vital gases like oxygen and nitrogen, while sunlight provides the electromagnetic energy that powers photosynthesis and influences Earth's climate and weather patterns.

These human-made pollutants persist in ecosystems for hundreds of years, harming wildlife through ingestion and entanglement, while also leaching harmful chemicals into soil and water systems.

How are producers involved in the photosynthesis and cellular respiration cycle? Explain how they create all the energy used on the planet.

Producers convert sunlight into energy that feeds other organisms.

Producers create energy by breaking down glucose without sunlight.

Producers absorb energy from the soil to fuel their growth.

Producers rely solely on cellular respiration to generate energy.

Where does the process of cellular respiration occur? What are the products of this reaction?

Mitochondria; products are carbon dioxide, water, and ATP.

Nucleus; products are amino acids and lipids.

Cytoplasm; products are nitrogen and sugars.

Chloroplasts; products are glucose and oxygen.

Explain how producers, consumers, and decomposers connect as parts of the carbon cycle.

Carbon moves from producers to consumers to decomposers, who finally return it to the environment.

Producers release carbon into the atmosphere, consumers absorb it, and decomposers store it in the soil.

Producers and consumers do not interact, while decomposers only break down inorganic materials.

Consumers produce carbon through respiration, while producers and decomposers have no role in the cycle.

Why do plant cells contain mitochondria if they are able, with photosynthesis, to produce their own food?

Mitochondria convert glucose into ATP for cellular energy.

Photosynthesis alone provides all the energy needed.

Plant cells do not need energy for growth.

Mitochondria are only found in animal cells.

Differentiate between scientific theories and laws.

States/Predicts what will happen.

Give an example of a scientific law.

Einstein's Theory of Relativity

When is a hypothesis formed during the scientific method?

A hypothesis guides research before any experimenting begins.

A hypothesis is formed before making observations.

A hypothesis is formed during the conclusion phase.

A hypothesis is formed only after experiments are conducted.

Why are hypotheses valuable to science even when not supported by experiment and empirical evidence?

Hypotheses can be used to modify/change the problem.

Hypotheses are only useful if they are proven correct.

Hypotheses eliminate the need for further research.

Hypotheses are irrelevant to scientific inquiry.

Study Guide for Unit 6-Living Systems

Authored by Leslie Anadjoe

Science

8th Grade

NGSS covered

Used 5+ times

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22 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the Law of Conservation of Energy state?

Energy cannot be created or destroyed.

Energy is always lost in transformations.

Energy can only be created from matter.

Energy can be created and destroyed.

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

NGSS.HS-PS3-3

NGSS.HS-PS3-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the Law of Conservation of Mass/Matter state?

Mass increases when energy is added.

Mass can be created but not destroyed.

Matter can disappear in a closed system.

Mass cannot be created or destroyed.

Tags

NGSS.MS-PS1-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role does the deer play in the carbon cycle?

Deer produce oxygen through photosynthesis.

Deer move carbon through eating and waste.

Deer have no impact on the carbon cycle.

Deer only store carbon in their bodies without any other role.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Describe the process of photosynthesis.

Photosynthesis uses sunlight to convert water and CO2 into glucose.

Photosynthesis produces only carbon dioxide and water as byproducts.

Photosynthesis occurs only at night when plants absorb carbon dioxide.

Photosynthesis is the process of animals converting food into energy.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As a sunflower uses photosynthesis to produce energy in the form of glucose, what is MOST of this energy used for?

Photosynthesis in other plants.

Producing oxygen for the environment.

Growth and development.

Storing energy as fat.

Tags

NGSS.MS-LS1-6

FILL IN THE BLANK QUESTION

1 min • 1 pt

What organelle is responsible for photosynthesis?

Tags

NGSS.MS-LS1-6

FILL IN THE BLANK QUESTION

1 min • 1 pt

What type of cells have chloroplast?

Tags

NGSS.MS-LS1-6

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Study Guide for Unit 6-Living Systems

What does the Law of Conservation of Energy state?

What does the Law of Conservation of Mass/Matter state?

What role does the deer play in the carbon cycle?

Describe the process of photosynthesis.​ ​

As a sunflower uses photosynthesis to produce energy in the form of glucose, what is MOST of this energy used for?

What organelle is responsible for photosynthesis?

What type of cells have chloroplast?

What must other organisms do instead of photosynthesis?

Look at the graphic to the left. Explain the connection between photosynthesis and cellular respiration in terms of products and reactants.

Where do producers obtain the carbon atoms that are used to make glucose (C₆H₁₂O₆) molecules produced in the chemical reaction of photosynthesis?

Access all questions and much more by creating a free account

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Describe the process of photosynthesis.