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- 1. Fill in the Blank
Some invertebrates have an outside skeleton called a(n) ____________.
- 2. Multiple Choice
Sense organs, called __________ help some invertebrates respond to their environment.
antennae
colony
setae
- 3. Multiple Choice
An earthworm uses_______ to hold tightly to the wall of its burrow.
colony
setae
an
- 4. Multiple Choice
Corals live as a group called a _________.
colony
arthropod
setae
- 5. Multiple Choice
A _________ is an invertebrate with jointed legs.
exoskeleton
arthropod
colony
- 6. Multiple Choice
A small, soft segmented invertebrate equipped with setae.
earthworm
slug
squid
- 7. Multiple Choice
A small, unsegmented invertebrate equipped with tentacles on its head.
earthworm
slug
squid
- 8. Multiple Choice
What an octopus can secrete in its saliva to paralyze its prey.
venom
poison
slim
- 9. Multiple Choice
How some invertebrates can maneuver in water.
jet propulsion
slug
squid
- 10. Multiple Choice
A sea invertebrate with ten tentacles
slug
squid
venom
- 11. Multiple Choice
A group of animals living together.
colony
village
community
- 12. Multiple Choice
Bowl-shaped body; stinging tentacles
jellyfish
starfish
corals
- 13. Multiple Choice
Two different organisms living closely together that benefit from each other.
Symbiotic relationship
Symbol relationship
Casual Relationship
- 14. Multiple Choice
Has at least five spiny arms.
starfish
jellyfish
seahorse
- 15. Multiple Choice
An invertebrate with jointed legs.
colony
arthropod
corals
- 16. Multiple Choice
Give an example of a symbiotic relationship found in the sea.
clownfish & anemones
jellyfish & starfish
colony & corals
- 17. Multiple Choice
Give an example of an arthropod.
crab
cat
turtle
- 18. Multiple Choice
Large eyes that are made of many small eyes.
compound eyes
abdomen
spiracles
- 19. Multiple Choice
The last part of an insect contains the heart and stomach.
abdomen
spiracles
thorax
- 20. Multiple Choice
Middle body part of an insect where wings and legs are attached.
head
thorax
abdomen
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