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Classification of Invertebrate and Vertebrate Phyla
Biology
This text outlines various animal phyla, categorizing them into invertebrates and vertebrates, and provides examples for each. It highlights that Mollusca and Echinodermata are only mentioned briefly in the module, with more detail given to the other six phyla.
Zoology
Classification
Phyla
28 Questions
Easy
Ages 10+
Mar 8, 2026
About this Study Set
This study set covers Biology through
28 practice questions.
This text outlines various animal phyla, categorizing them into invertebrates and vertebrates, and provides examples for each. It highlights that Mollusca and Echinodermata are only mentioned briefly in the module, with more detail given to the other six phyla. Every question includes the correct answer so you can learn as you go — pick any format above to get started.
Questions & Answers
Browse all 28 questions from the
Classification of Invertebrate and Vertebrate Phyla study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Which of the following phyla are only mentioned briefly in the module?
-
A
Porifera and Cnidaria
-
B
Arthropoda and Chordata
-
C
Mollusca and Echinodermata
-
D
Nematoda and Annelida
2
What are sponges classified under?
-
A
Cnidaria
-
B
Mollusca
-
C
Arthropoda
-
D
Porifera
3
Jellyfish and corals belong to which phylum?
-
A
Porifera
-
B
Cnidaria
-
C
Nematoda
-
D
Platyhelminthes
4
Which phylum includes flatworms like Planaria?
-
A
Annelida
-
B
Nematoda
-
C
Platyhelminthes
-
D
Mollusca
5
Roundworms are classified under which phylum?
-
A
Platyhelminthes
-
B
Nematoda
-
C
Annelida
-
D
Arthropoda
6
Earthworms and sea worms are examples of which phylum?
-
A
Nematoda
-
B
Annelida
-
C
Mollusca
-
D
Echinodermata
7
Snails, oysters, and octopi belong to which phylum?
-
A
Annelida
-
B
Mollusca
-
C
Arthropoda
-
D
Chordata
8
Insects, spiders, and crustaceans are part of which phylum?
-
A
Mollusca
-
B
Arthropoda
-
C
Chordata
-
D
Echinodermata
9
Starfish and sea urchins are classified under which phylum?
-
A
Arthropoda
-
B
Chordata
-
C
Echinodermata
-
D
Mollusca
10
Fish, amphibians, reptiles, birds, and mammals are all part of which subphylum?
-
A
Arthropoda
-
B
Chordata
-
C
Vertebrata
-
D
Invertebrata
11
The text mentions 'gastro-irnte' which is likely a misspelling related to what system?
-
A
Respiratory system
-
B
Nervous system
-
C
Digestive system
-
D
Circulatory system
12
Animals that show symmetry are categorized under which type of symmetry?
-
A
Asymmetry
-
B
Radial symmetry
-
C
Bilateral symmetry
-
D
Spherical symmetry
13
Which phylum is known for organisms like bilharzia worms and tapeworms?
-
A
Nematoda
-
B
Platyhelminthes
-
C
Annelida
-
D
Mollusca
14
Myriapoda is a group within which larger phylum?
-
A
Mollusca
-
B
Chordata
-
C
Echinodermata
-
D
Arthropoda
15
Which of these is an example of a vertebrate?
-
A
Octopus
-
B
Jellyfish
-
C
Earthworm
-
D
Mammal
16
Which of these is an example of an invertebrate?
-
A
Fish
-
B
Bird
-
C
Insect
-
D
Amphibian
17
The phylum 'Annelida' includes organisms with segmented bodies, such as:
-
A
Snails
-
B
Starfish
-
C
Earthworms
-
D
Sponges
18
The term 'invertebrates' refers to animals that:
-
A
Have a backbone
-
B
Lack a backbone
-
C
Are always microscopic
-
D
Live only in water
19
The term 'vertebrates' refers to animals that:
-
A
Lack a backbone
-
B
Have a backbone
-
C
Are exclusively marine
-
D
Are radially symmetrical
20
Blue bottles are mentioned as an example of which phylum?
-
A
Porifera
-
B
Cnidaria
-
C
Nematoda
-
D
Annelida
21
Sea anemones are grouped under which phylum?
-
A
Cnidaria
-
B
Mollusca
-
C
Echinodermata
-
D
Arthropoda
22
Which phylum contains organisms like snails and mussels?
-
A
Annelida
-
B
Mollusca
-
C
Arthropoda
-
D
Chordata
23
Which phylum is characterized by having jointed appendages?
-
A
Mollusca
-
B
Arthropoda
-
C
Echinodermata
-
D
Chordata
24
The subphylum 'Vertebrata' belongs to which larger group?
-
A
Invertebrates
-
B
Arthropods
-
C
Mollusks
-
D
Chordates
25
Animals that show 'Asymmetry' lack:
-
A
A head
-
B
A tail
-
C
A defined body plan
-
D
Limbs
26
Which of the following is NOT listed as an invertebrate phylum in the text?
-
A
Porifera
-
B
Chordata
-
C
Nematoda
-
D
Arthropoda
27
The text states that the module goes into more detail on how many other phyla besides Mollusca and Echinodermata?
-
A
Four
-
B
Five
-
C
Six
-
D
Seven
28
Which phylum is characterized by a soft body, often protected by a shell?
-
A
Annelida
-
B
Arthropoda
-
C
Mollusca
-
D
Echinodermata
