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WorksheetsUnit Test 5: Animal Classification
Total questions: 25
Worksheet time: 2hrs 5mins
Tanya is observing the life cycle of a certain animal. She has found out that it lived first on land and eventually also in water. Under which classification will this animal be?
amphibian
bird
reptile
mammal
Having a body temperature that changes with the temperature of its surroundings is an example of a ______
warm-blooded animal
small-bodied animal
long-bodied animal
cold-blooded animal
Which description is correct for arthropods?
members of the mammal group
members of the largest group of organisms
a spiny-skinned animal
an animal with a tube foot
An animal was observed in the zoo. The scientists saw that it has undergone ecdysis. What part of the animal body's structure must have been involved in the process?
shell
head
exoskeleton
thorax
These are cold-blooded vertebrates that live in fresh or saltwater, have streamlined bodies and gills for breathing.
Platypus
Whale
Fish
Turtles
Phylum Mollusca includes squids, octopuses, and bivalves. What is common among all these organisms?
an exoskeleton that protects their body
a radula that helps them scrape off food
a nematocyst that forms their defense
a segmented body capable of regeneration
What is the difference between a cnidocyte and a nematocyst?
the former is a toxic stinger and the latter is a stinging cell
both can be found in echinoderms
one is sessile the other is mobile
the former is a stinging cell and the latter is a toxic stinger
Which phylum of animals are filter-feeders that have many pores?
amphibians
echinoderms
arthropods
sponges
Porifera and Cnidaria are animal phyla that both have one body opening. When looking at an unknown animal with a single body opening and an asymmetrical body, in which phylum will you classify it?
both
porifera
cnidaria
mollusks
There are different types of worms. Which one is an example of a pseudocoelomate that has no segments?
leech
earthworm
flatworm
roundworm
An animal's body can have different types of symmetry. Which phylum has radial symmetry?
echinodermata and cnidaria
mollusca only
echinodermata only
cnidaria and mollusca
Both the sea anemone and jellyfish belong to Phylum Cnidaria. They also have stinging cells that provide defense. What is the difference between the two?
sea anemone is mobile, as well as jellyfish
sea anemone is sessile, jellyfish is mobile
jellyfish is sessile, as well as sea anemone
both are polyp parts of Cnidaria
About 97% of all animals on earth are invertebrates.
True
False
These are bilaterally symmetrical, dorsoventrally flattened worms that include planaria, flukes and tapeworms.
Cnidarians
Platyhelminthes
Nematodes
Mollusks
Earthworms and leeches are both segmented worms that are coelomates. They are common examples of __
Nematodes
Annelids
Rotifers
Platyhelminths
A student develops a model for grouping animals that she observes in a park. What are MOST LIKELY the names of the animal groups?
fish and reptiles
reptiles and birds
fish and mammals
reptiles and amphibians
A student draws three animals. Which characteristics can the student use to classify the animals?
no backbone, live in water, lay eggs
backbone, live on land, breathe with lungs
no backbone, scales on skin, breathe with gills
backbone, smooth skin, breathe with gills and lungs
A student sorts animals into groups. He draws the animals in one group. Which animal should the student remove from this group?
fox
bear
hawk
mouse
How are reptiles and fish alike?
neither has scales
both breathe with gills
neither has a backbone
both have body temperatures that change with their surroundings
A student wants to research invertebrate animals. Which of these animals should she study? Select 3
frog
fish
clam
worm
spider
A student finds the following animals in his garden: frog, snake, snail, and lizard. He classifies the snail in one group and the other animals in a second group. Which are the animal's groups?
amphibians, reptiles
invertebrates, reptiles
invertebrates, vertebrates
animals with gills, animals with lungs
Ben has noticed an animal when he looks out his window at school. The animal has a backbone, lives on land, bears live young, and has hair. What is the classification for this animal?
reptile
bird
mammal
amphibian
Sea sponges, march flies, fruit bats and echidnas are all classified into the same __
family
genus
phylum
kingdom
In the phylogenetic tree shown, it can be concluded that the most distantly related species are __
species 1 and 5.
species 2 and 4.
species 1 and 2.
species 2/3 and 4/5.
In the phylogenetic tree shown, it can be concluded that species 2 is most closely related to species 3. If species 2 is an earthworm, species 3 must be a
jellyfish
leech
butterfly
flatworm
