WorksheetsThe Life Cycle of Oysters
Total questions: 10
Worksheet time: 5mins
What is a larva in the life cycle of an oyster?
An adult oyster with a shell
A baby oyster without a shell
A fish that eats oysters
A type of seaweed
How long does an oyster larva float in the water before finding a place to stick?
One day
Two or three weeks
One year
One month
What does a larva need to survive and grow into an adult oyster?
Dirty water and sand
Clean water and a safe place
Sunlight and air
Rocks and grass
What happens to many oyster larvae before they become adults?
They grow into fish
They do not survive
They fly away
They turn into plants
After finding a hard place to stick to, what does the oyster larva do next?
It starts to grow a shell
It swims away
It eats other oysters
It turns into a crab
Why do you think clean water is important for oyster larvae to survive?
Because it helps them find food and stay healthy
Because it makes them swim faster
Because it helps them fly
Because it makes their shells colorful
If an oyster larva cannot find a hard place to stick to, what might happen?
It will grow a shell in the water
It may not survive and become an adult
It will turn into a fish
It will float forever
What could happen to oysters if the water they live in becomes dirty?
More larvae will survive
Fewer larvae will survive
Oysters will grow faster
Oysters will turn blue
Imagine you are an oyster larva. What would you look for to help you grow into an adult oyster?
A soft, sandy spot
A hard place to stick to and clean water
A place with lots of fish
A sunny spot on the beach
Suppose many oyster larvae are dying before becoming adults. What could people do to help more larvae survive?
Make the water cleaner and provide safe places for larvae to stick
Catch more oysters
Add more sand to the water
Feed the larvae candy
