
Understanding Hydra
Interactive Video
•
Biology
•
6th - 7th Grade
•
Practice Problem
•
Hard
Nancy Jackson
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary habitat of Hydra?
Freshwater environments
Saltwater oceans
Deserts
Rainforests
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How often does Hydra replace its older cells?
Every 40 days
Every 30 days
Every 20 days
Every 10 days
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What unique ability does Hydra have when it is cut into pieces?
It changes color
It becomes inactive
Each piece grows into a new Hydra
It dies immediately
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does Hydra's digestive system differ from most animals?
It does not digest food at all
It has multiple mouths
It uses the same opening for food intake and waste excretion
It digests food externally
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the remains of Hydra's prey after digestion?
They are absorbed into the body
They are excreted through a separate opening
They remain in the digestive cavity
They are discharged through the mouth
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