
2.3a rescuing our reefs 4th comprehension
Authored by MELANIE GRAY
English
4th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do coral reefs need to survive according to the photographer?
Sunlight and clear water
Plants and animals that are interconnected
Algae and carbon dioxide
Fish and sea anemones
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role do algae play in a coral reef ecosystem?
They provide food for the coral by photosynthesis
They consume the coral polyps
They break apart the coral to get to the algae-filled polyps inside
They are predators that hunt fish
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of producers in the food chain mentioned in the text?
They make their own energy
They eat other animals
They break down waste materials
They provide oxygen for fish
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the parrotfish do in the food chain?
It produces its own energy
It eats the algae and passes energy through the food chain
It hides in the sea grass to avoid predators
It takes photos of the coral reef
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the barracuda represent in the coral reef ecosystem?
A producer
A consumer
A photographer
A predator
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What can cause an imbalance in the coral's natural balance, leading to coral bleaching?
Overfishing in the area
Pollution and climate change
Increased boat traffic
Introduction of invasive species
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when the relationship between coral and algae breaks down due to warm water or pollution?
The coral grows faster
The algae multiply rapidly
The coral ejects the algae and loses its color
The water around the coral becomes clearer
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