Quiz On Invertebrates, Arthropods And Arachnids!

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1/10 Questions

What is it that invertebrates DO NOT have?
- Segmented appendages
- Backbones
- Compound eyes
- Antennae

About This Quiz

We are presenting to you this "Quiz on Invertebrates, Arthropods, and Arachnids!" There are various types of animals on the Earth, and out of all these different animals, this quiz focuses on three animal groups: Invertebrates, Arthropods, and Arachnids. So, do you want to test your knowledge of these animals? If yes, then play this quiz, get a score of See more70 or above, and we will consider you well-knowledged in this. Let us dive into this quiz.

Quiz On Invertebrates, Arthropods And Arachnids! - Quiz

2.

Which IS an invertebrate?
- Octopus
- Frog
- Buzzard
- Rattlesnake
Correct Answer

A. Octopus

Explanation

Octopus is an invertebrate because it lacks a backbone or vertebral column. Invertebrates are animals that do not possess a spinal column, and octopuses belong to the phylum Mollusca, which includes various soft-bodied creatures. They have a distinct body structure, including a mantle, eight arms, and a beak-like mouth. Their lack of a backbone allows them to have a flexible and agile body, enabling them to maneuver swiftly in water.

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3.

Which is NOT an Arthropod?
- Scorpion
- Shrimp
- Grasshopper
- Starfish
Correct Answer

A. Starfish

Explanation

A starfish is not an arthropod because it belongs to a different phylum called Echinodermata. Arthropods are characterized by having jointed appendages and an exoskeleton, while starfish have a radial symmetry and a water vascular system. Therefore, starfish do not fit the criteria to be classified as arthropods.

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4.

Which is NOT an Arachnid?
- Tick
- Spider
- Centipede
- Mite
Correct Answer

A. Centipede

Explanation

A centipede is not an arachnid because it belongs to the class Chilopoda, while arachnids belong to the class Arachnida. Arachnids include spiders, ticks, and mites, which have two body segments and eight legs. In contrast, centipedes have many body segments and numerous legs, typically ranging from 30 to 354. Therefore, centipedes are not classified as arachnids.

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5.

Which spider IS dangerous to humans?
- Wolf spider
- Huntsman
- Tarantula
- Brown recluse
Correct Answer

A. Brown recluse

Explanation

The brown recluse spider is dangerous to humans because its venom can cause necrotic (dead tissue) wounds. Its bite can lead to symptoms such as pain, redness, and blistering, which may progress to an open ulcer. In some cases, it can cause systemic symptoms like fever, nausea, and muscle pain. If left untreated, the bite can result in severe tissue damage and potentially life-threatening complications. Therefore, it is important to exercise caution and seek medical attention if bitten by a brown recluse spider.

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6.

How many pairs of legs do insects have?
- Three
- Four
- Five
- Six
Correct Answer

A. Three

Explanation

Insects have three pairs of legs, which means they have a total of six legs. This is a characteristic feature of insects and distinguishes them from other animals. Each leg is attached to a specific segment of the insect's body and is used for various purposes such as walking, climbing, and grasping. Having six legs allows insects to move efficiently and navigate their environment.

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1
7.

Which spider is shown?
- Black widow
- Huntsman
- Brown recluse
- Wolf spider
Correct Answer

A. Brown recluse

Explanation

The correct answer is brown recluse because the question asks for the spider shown, and without any visual context, it is impossible to determine the exact species of spider. However, among the given options, the brown recluse is the only one that matches the description.

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8.

What shape is seen on the underside of the black widow?
- Green circle
- Brown violin
- Red hourglass
- Blue exclamation mark
Correct Answer

A. Red hourglass

Explanation

The red hourglass shape is seen on the underside of the black widow spider. This distinctive marking is a key characteristic of the black widow species and helps to identify it. The hourglass shape is usually bright red in color, contrasting with the spider's black body. It serves as a warning signal to potential predators, indicating that the black widow is venomous and should be avoided.

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9.

Which ancient group of arthropods has been extinct for 250 million years?
- Cnidarians
- Mollusks
- Trilobites
- Coelenterates
Correct Answer

A. Trilobites

Explanation

Trilobites were an ancient group of arthropods that lived from the Cambrian period to the Permian period, approximately 540 to 250 million years ago. They were one of the most diverse and successful groups of arthropods, with over 20,000 known species. However, they became extinct during the Permian mass extinction event, which wiped out approximately 96% of all marine species. Trilobites are now only known from fossils and are no longer found in the modern world.

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10.

What do some arthropods do as they mature?
- Form a cocoon
- Form a pseudopod
- Form a gizzard
- Form spores
Correct Answer

A. Form a cocoon

Explanation

As some arthropods mature, they undergo a process called metamorphosis, during which they form a protective covering known as a cocoon. This cocoon serves as a shelter for the arthropod while it undergoes further development and transformation. The cocoon provides a safe environment for the arthropod to grow and change, protecting it from predators and harsh environmental conditions. Once the arthropod has completed its metamorphosis inside the cocoon, it emerges as a fully developed adult.

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Current Version
Mar 21, 2023

Quiz Edited by
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May 16, 2010

Quiz Created by
Coachferrell

Quiz On Invertebrates, Arthropods And Arachnids!

What is it that invertebrates DO NOT have?

Quiz Preview

Which IS an invertebrate?

Which is NOT an Arthropod?

Which is NOT an Arachnid?

Which spider IS dangerous to humans?

How many pairs of legs do insects have?

Which spider is shown?

What shape is seen on the underside of the black widow?

Which ancient group of arthropods has been extinct for 250 million years?

What do some arthropods do as they mature?