Photosynthesis & You
Ecosystem Energy Flow
Nature’s Recyclers
Data Detectives
Human Impact
100

This gas is taken in by plants during photosynthesis.

What is Carbon Dioxide 

100

Name a type of organism that gets energy directly from the Sun.

What is Producer

100

hese organisms break down dead matter and recycle nutrients back into the soil.

What are decomposers?

100

This type of chart is commonly used to show the flow of energy between organisms in an ecosystem.

What is a food web?

100

This process, caused by excessive carbon dioxide, is warming the planet.

What is climate change or global warming?

200

The energy for photosynthesis comes from this source.

What is the sun

200

In a food chain, these organisms break down dead matter and recycle nutrients.

What is decomposers 

200

The process by which decomposers return carbon to the atmosphere is called ____.

What is cellular respiration 

200

f a graph shows a sharp decline in a predator population, what is a likely cause?

What is a decrease in prey or habitat loss?

200

Cutting down large areas of forests is called ____.

What is deforestation?

300

What are the two main products of photosynthesis?

HINT! two types of EMS (Energy Storage Molecules)

What is oxygen and glucose 

300

What would happen if all primary consumers in an ecosystem disappeared?

What is a collapse of higher trophic levels and overgrowth of producers?

300

Fungi and bacteria play a crucial role in ecosystems because they do this.

What is break down dead plants and animals into nutrients?

300

A table displays oxygen levels in a pond before and after an algae bloom. What trend would you expect?

What is a decrease in oxygen due to decomposition of dead algae?

300

What happens to ocean life when too much plastic pollution accumulates?

What is animals mistake it for food, get tangled, or suffer from toxins?

400

If photosynthesis stopped, what would happen to life on Earth?

What is a lack of oxygen and food, leading to mass extinction?

400

Why are decomposers considered a crucial part of the food web?

What is because they recycle nutrients back into the soil or water?

400

Without decomposers, what would happen to the amount of available nutrients in the ecosystem?

What is a decrease, leading to soil depletion and plant die-off?

400

Scientists measure carbon dioxide levels in a forest ecosystem over a year. When would levels be highest?

What is during the night or winter when photosynthesis decreases?

400

Name one way humans can help restore damaged ecosystems.

What is reforestation, reducing pollution, or protecting wildlife?

500

Why do leaves change color in the fall?

What is because chlorophyll breaks down, revealing other pigments?

500

Give one example of how matter cycles between living and nonliving parts of an ecosystem.

What is the carbon cycle

500

How do decomposers help maintain the balance of carbon in ecosystems?

What is by breaking down organic matter and releasing carbon dioxide into the atmosphere?

500

Scientists measure oxygen levels in a pond before and after a large fish die-off. What type of graph would best show changes over time?

What is Line Graph 

500

How does burning fossil fuels contribute to climate change?

What is by releasing large amounts of carbon dioxide that trap heat in the atmosphere?