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WorksheetsZoology (Mollusca, Echinodermata & Arthropoda)
Total questions: 15
Worksheet time: 13mins
Label the image using the following terms.
Label the image using the following terms.
Which structure is responsible for allowing this squid to change colors?
True or False. In the image the spherical mass visible in the middle of the image is the brain of this squid.
True
False
Molluscs in the class Cephalopoda swim by pushing water through their ______.
siphon.
foot.
gills.
tube feet.
What is the sex of the organism in the image?
Male
Female
This organism is monoecious and has both male and female reproductive structures.
It is not possible to tell the sex from the image provided.
Match the following images with the correct phylum.
Mollusca
Echinodermata
Arthropoda
Mollusca
What is the classification of living things, from most general to most specific?
Kingdom, Family, Order, Class, Phylum, Genus, Species
Species, Kingdom, Genus, Phylum, Family, Class, Order
Kingdom, Phylum, Class, Order, Family, Genus, Species
Order, Kingdom, Species, Phylum, Family, Class, Genus
What animal would be a good example of radial symmetry?
turtle
star fish
coral
sloth
When a blastopore becomes the mouth of an organism it is called a
protostome
deuterostome
coelomate
acoelomate
The body plan of insects is split into segments that are specialized, which is referred to as
segmentation
metamerism
specialization
tagmatization
Select the stage that is the least developed embryologically.
What TYPE of mollusk is this?
Bivalve
Gastropod
Cephalopod
Echinoderms are exclusively _____ animals.
marine
terrestrial
freshwater
all of the above
