Phylum Mollusk
Phylum Annelid
Phylum Arthropod
Phylum Echinoderm
What's left?
100
Mollusk are not classified according to:
a-kind of foot
b- the kind of shell
c-whether or not they have a shell
d- how they reproduce
What is
d- How they reproduce.
100
Bristle-like structures called ____ help segmented worms to move.
What is SETAE?
100
The lightweight ____ covers, supports and protects arthropods body.
What is the exoskeleton?
100
Echinoderms have ___ body plan.
What is RADIAL?
100
The largest class(group) of complex invertebrates are called ____.
What is Insects?
200
Gastropods have a ____, tongue-like organ that works like a file.
What is a RADULA?
200
Worms have a ___ body plan.
What is bilateral symmetry?
200
Unlike other arthropods, arachnids have ___ legs total and __ pair.
What is 8 and 4?
200
Appendage that acts like suction cups are called __.
Tube feet
200
Appendage that acts like suction cups are called __.
What are Tube feet?
300
Which class of mollusk has the most specialized members in it?
What is CEPHALOPODS?
300
Blood of earthworms are contained in vessels, thus they have a ____ circulatory system.
What is closed?
300
All arthropods do NOT have ___.
a- body cavity c- nervous system
b- mouth and anus d- three body segments
What is d- three body segments?
300
Spiny-skinned invertebrates living in the ocean that regenerate body features.
What are echinoderms?
300
Changes that animals go through to become adults.
What is metamorphosis?
400
Mollusk and segmented worms have a __.
a- mantle
b- muscular foot
c-crop
d- body cavity for organs
What is d- Body cavity for organs?
400
Sac used for temporary food storage in an earthworm is called a(n) ____, and the muscular structure that grinds the soil is the ___.
What is the CROP and the GIZZARD?
400
Name 3 appendages on an arthropod.
What are claws/pincers, antennae, arms, wings?
400
Name 4 Echinoderms.
What are Sea Star, Sea Cucumber, Sea Urchin, Brittle Star, Sand dollar
400
Shedding of the exoskeleton?
What is molting?
500
A ___ resembling a spinning top with cilia in the middle is the best evidence that mollusk and segmented worms share a common ancestor.
a- gill
b- larva
c- spiracle
d-appendage
What is b- LARVA?
500
Name 3 Annelids.
Earthworm
Leeches
Marine worms
500
Name the 5 classes of Arthropods.
What is
Centipede
Millipede
Insect
Arachnids
Crustaceans
500
Explain how a sea star obtain and digest its food.
Sea star use their tube feet to grab their prey and they take their stomach and push it out into the shell of the prey. They release an enzyme that causes prey to turn to liquid and they absorb it. Then pull their stomachs back in their mouth.
500
Name a way that a mollusk is beneficial to humans?
What is food source? Biological indicator?