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Animalia Kingdom Trivia Quiz

Over evolutionary time, animals have increased in complexity. Here are 10 questions from 9 phyla in the Animalia kingdom. Enjoy!

A multiple-choice quiz by Matthew_07. Estimated time: 5 mins.

Author
Matthew_07

Time
5 mins

Type
Multiple Choice

Quiz #
274,932

Updated
Dec 03 21

# Qns
10

Difficulty
Tough

Avg Score
6 / 10

Plays
1319

One at a Time - Single Page - Timed Game

Question 1 of 10

1. The sponge in the Porifera phylum is the simplest animal. They are mostly marine and lack cellular differentiation. Name the structure that provides support for them. Hint

Spicule

Osculum

Choanocyte

Flagella

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Question 2 of 10

2. The Cnidaria phylum is also known as the coelenterata phylum, which includes hydrae, sea anemones, corals and jellyfish. Among this, corals or coral reefs of the class anthozoan are the most common one. Coral reefs exhibit a symbiotic relationship with which of the following algae? Hint

Zooxanthellae

Rhodoxanthellae

Chloroxanthellae

Paedoxanthellae

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Question 3 of 10

3. Planaria (class Tubellaria), flukeworms (class Trematoda) and tapeworms (class Cestoda) are all categorized under the phylum of Platyhelminthes. Only tubellarians are free-living organisms while the remaining two are parasites. Which of the following features is present in this phylum? Hint

Segmentation

Cephalization

Body cavity

Respiratory system

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Question 4 of 10

4. Roundworms in the Nematoda phylum can cause serious disease to both human and animals. They are supported by? Hint

Exoskeleton

Hydrostatic skeleton

Endoskeleton

Bones and cartilages

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Question 5 of 10

5. Animals in the Annelida phylum show segmentation, which is advantageous for their locomotion. Leeches (class Hirudinea) are associated with their well-known hirudin, which is a/an? Hint

Sucker

Bristle

Digestive structure

Anticoagulant

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Question 6 of 10

6. Insects in the phylum of Arthropoda can live in diverse environments, thanks to the specialized functions of their body segments, or tagmata. Which of the followings is NOT one of the segments? Hint

Head

Antenna

Thorax

Abdomen

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Question 7 of 10

7. The octopus is one of the most intelligent animals on Earth. It is categorized under the Mollusca phylum. Its class is the only class in this phylum that possesses a closed circulatory system. (Others are open circulatory system) It belongs to which class? Hint

Gatropoda

Cephalopoda

Pelecypoda

Polyplacophora

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Question 8 of 10

8. In terms of evolutionary history, the Echinodermata phylum is the closest to the Chordata phylum. A sea star (class Asteroidea) possesses a unique structure called ampulla, which is used for all of the following functions, EXCEPT? Hint

Food capture

Respiration

Reproduction

Locomotion

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Question 9 of 10

9. All animals in the Chordata phylum have notochords, dorsal nerve cords, pharyngeal gill slits and a post-anal tail. Which of these structures have developed into the flexible vertebrae for animals in the subphylum of Vertebrata? Hint

Dorsal nerve cords

Notochords

Pharyngeal gill silts

Post-anal tail

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Question 10 of 10

10. The human is classified in the kingdom of Animalia, the phylum of Chordata, the class of Mammalia, the order of Primates, the Family of Hominidae, the genus of Homo, and the species of sapiens.

True

False

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Quiz Answer Key and Fun Facts

1. The sponge in the Porifera phylum is the simplest animal. They are mostly marine and lack cellular differentiation. Name the structure that provides support for them.

Answer: Spicule

Their spicules that are found in their matrices (the amoeboid layers found between the outer epithelial layer and the inner collar cells layer) are needle-like structures that provide support for sponges.

Answer: Zooxanthellae

Coral reefs provide carbon dioxide and inorganic materials for zooxanthellae in order for them to carry out photosynthesis. In return, zooxanthellae provide coral reefs with oxygen and products of photosynthesis. Both parties gain benefits from each other.

Answer: Cephalization

Platyhelminthes or flatworm is the simplest animal to show cephalization, which means that it possesses sensory organs and a brain in its head region.

4. Roundworms in the Nematoda phylum can cause serious disease to both human and animals. They are supported by?

Answer: Hydrostatic skeleton

Some examples of animals in this Platyhelminthes phylum are hookworms, heartworms (found in infected dogs' hearts), and pinworms. They are all supported by hydrostatic skeletons.

5. Animals in the Annelida phylum show segmentation, which is advantageous for their locomotion. Leeches (class Hirudinea) are associated with their well-known hirudin, which is a/an?

Answer: Anticoagulant

Leeches are bloodsuckers. Their saliva contains a type of powerful anticoagulant that prevents blood from clotting.

Answer: Antenna

In the head region, there are nerve cells and brain. On the other hand, locomotion and respiration occur in thorax, while abdomen carries out digestion and reproduction functions.

Answer: Cephalopoda

Most cephalopods are marine. Examples are squid, loligo and octopus. A closed circulatory is an advantage as it is more efficient than an open circulatory system, because in a closed circulatory system, the heart will separate the oxygenated and deoxygenated blood.

Answer: Reproduction

The gas exchange process occurs at ampullae. Besides, ampullae are used for locomotion (body movement) and food capture. Sea stars show bilateral symmetry in their larval stages; but radial symmetry in their adult stages.

Answer: Notochords

Mammalia is one of the 7 classes under the subphylum of Vertebrata. The other two subphyla are Urochordata and Cephalochordata. Other mammals' special characteristics are their hair, mammary glands and 3 bones in the middle ears.

Answer: True

Yes, that's us, with the scientific name of Homo sapiens. I hope you enjoy this quiz and learn something as well. Thanks for playing.

Source: Author Matthew_07

This quiz was reviewed by FunTrivia editor crisw before going online.
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