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WorksheetsAnimal Diversity
Total questions: 24
Worksheet time: 12mins
Animals are always:
unicellular
multicellular
producers
prokaryotes
Which of the following animals is sessile and has no tissues?
Sponge
Cnidarian
Worm
Mollusc
Which of the following animals has brain-like cells in its head?
Sponge
Cnidarian
Worm
Mollusc
Which of the following animals has bilateral symmetry and complex organ systems?
Sponge
Cnidarian
Worm
Mollusc
What is the largest animal phylum?
Mammals
Birds
Echidnoderms
Arthropods
The Arthropods do NOT include:
Sea stars
Spiders
Shrimp
Bees
What is the oldest living vertebrate?
Lamprey
Shark
Spider
Ray
An aminal that can be divided into equal parts through its central axis has
bilateral symmetry
asymmetry
radial symmetry
A vertebrate is defined as having a
brain
nervous system
anterior end
backbone
All arthropods have an external covering called
gills
endoskeleton
exoskeleton
mantle
Which is NOT an amphibian ?
fish
frog
salamander
toad
A dog has (a) symmetry
Which animal has a skeleton made of cartilage ?
snake
horse
shark
grasshopper
Amphibians lay their eggs
in nests
in the water
buried in the sand
in trees
Which is not a vertebrate
Crocodile
Snake
Millipedes
Frog
Arthropoda
Mollusca
Echinodermata
Cnidaria
Arthropoda
Mollusca
Echinodermata
Cnidaria
Which of the following is not used to classify animals?
Backbone
Number of legs
Segmentation
Body organization
Birds are most closely related to:
Reptiles
Mammals
Insects
Amphibians
Unlike reptiles, birds do not have:
Teeth
A circulatory system
Predators
Complex communication
Monotremes are mammals that:
Lay eggs
Live in extreme environments
Have pouches
Give birth to live young
A sea urchin belongs to the:
Molluscs
Echinoderms
Arthropods
Cnidarians
Cephalization is the development of a _________.
Head
Brain
Heart
Digestive system
Which of the following do NOT lay eggs?
Amphibians
Reptiles
Monotremes
Worms
