WorksheetsAnimals
Total questions: 36
Worksheet time: 18mins
Which of these animals has bilateral symmetry?
sponge
hydra
jellyfish
flatworm
Which of the following is true of all mollusks?
They have shells
They have soft bodies
They have segments
They have a closed circulatory system
A bivalve obtains food by_____.
using a radula
trapping it between two shells
filtering it from water
grabbing it with its muscular foot
Cephalopods move by_____.
using jet propulsion
moving their tentacles
crawling along on a muscular foot
clapping their shells together
Which characteristic is NOT common to all arthropods?
a segmented body
an external skeleton
jointed appendages
a backbone
An arthropod’s tough outer covering is called_____.
an endoskeleton
an exoskeleton
armor
a mantle
Which of the following is a characteristic of insects?
one pair of antennae
four legs
three pairs of wings
two body sections
Camouflage benefits insects by helping them to_____.
Reproduce
move especially fast
live in a variety of environments
avoid predators
Which of these is NOT a stage in complete metamorphosis?
egg
larva
pupa
nymph
Molting occurs during the gradual metamorphosis of an insect whenever_____.
the nymph needs food
the nymph needs food
its full-sized wings harden
the nymph outgrows its exoskeleton
Which of the following is a characteristic of echinoderms?
an exoskeleton
radial symmetry
three body sections
a segmented body
Insect larvae are specialized for_____.
reproducing
breathing
eating and growing
surviving in water
Snails and slugs belong to which group of mollusks?
gastropods
arthropods
bivalves
cephalopods
Where do most crustaceans live?
in water
on mountains
in the desert
underground
Which of these animals has radial symmetry?
a sea anemone
a butterfly
a rabbit
a fish
What does a cnidarian use to capture prey?
pores
stinging cells
collar cells
mouth
Which of these is vase-shaped?
a medusa
a polyp
a sponge larva
an adult jellyfish
Which of the following is NOT a flatworm?
a tapeworm
an earthworm
a fluke
a planarian
The process by which a new organism forms from the joining of an egg cell and a sperm cell is called_____.
asexual reproduction
sexual reproduction
adaptation
budding
A bird’s nearly hollow bones help it to _____.
store extra oxygen
deliver oxygen to its cells
be lightweight in the air
defend itself against predators
The toes of perching birds are adapted to help the birds _____.
wade in water
lock onto a branch
grab prey
crack seeds open
Which characteristic is NOT common to all mammals?
They are ectotherms
Their hearts have four chambers
Their skin is covered with hair or fur
Their young are fed with milk produced by organs in the mother’s body
Fur is an adaptation that allows mammals to _____.
care for their young
find prey
survive in cold climates
let their body heat escape
What characteristic is used to classify a mammal as a monotreme, marsupial, or placental mammal?
the environment in which it lives
how much hair or fur it has
the structure of its brain
the way in which its young develop
Birds are the only animals that have _____.
scales
feathers
nests
a heart with four chambers
The function of the placenta is to _____.
pass materials between the mother and an embryo
protect an embryo from heat and cold
keep an embryo inside its mother’s pouch
prevent an embryo from drying out
At some point in their lives, all chordates have a flexible supporting rod in their backs called a _____.
notochord
gill
nerve cord
backbone
If an animal is an ectotherm, it has _____.
a skeleton on the outside of its body
a skeleton on the inside of its body
a body that regulates its own internal temperature
a body that does not produce much internal heat
Fishes take in oxygen through their _____.
fins
gills
scales
vertebrae
Most adult amphibians can obtain oxygen through _____.
gills
gills and lungs
lungs and thin, moist skin
lungs only
How many chambers are there in a typical adult amphibian’s heart?
one
two
three
four
One major difference between lizards and snakes is that lizards _____.
have legs
are herbivores
can live in very cold climates
are endotherms
What type of fish is a lamprey?
a bony fish
a jawless fish
a cartilaginous fish
an endothermic fish
The larva of a frog or toad is called a(an) _____.
peeper
tadpole
embryo
salamander
A large part of a turtle’s body is covered by a protective _____.
beak
layer of spines
leathery skin
shell
A fish can detect movement and vibrations in the water by means of its _____.
keen sense of smell
scales
excellent vision
lateral line system
