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Invertebrates Trivia Quiz

This quiz is about different types of invertebrates. Enjoy!

A multiple-choice quiz by zebra101. Estimated time: 3 mins.

Author
zebra101

Time
3 mins

Type
Multiple Choice

Quiz #
274,599

Updated
Dec 03 21

# Qns
10

Difficulty
Average

Avg Score
6 / 10

Plays
2225

Last 3 plays: bradncarol (6/10), Guest 175 (10/10), gogetem (6/10).

One at a Time - Single Page - Timed Game

Question 1 of 10

1. About what percentage of all animals are invertebrates? Hint

95%

65%

80%

50%

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Question 2 of 10

2. Which of these invertebrates has no organs, including a brain, and lives mostly in the ocean, but can't swim very well on its own? Hint

squid

mites

butterflies

jellyfish

NEXT>

Question 3 of 10

3. Are sea spiders true spiders?

Yes

NEXT>

Question 4 of 10

4. Where are a snail's eyes located? Hint

on their shell

on the end of their tentacles

on their back

below their tentacles

NEXT>

Question 5 of 10

5. Which are bigger, dragonflies or damselflies? Hint

damselflies

dragonflies

there is no such thing as a damselfly

they are the same size

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Question 6 of 10

6. At what time of the year do robber crabs mate? Hint

May - August

February - May

July - October

June - September

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Question 7 of 10

7. If a starfish loses one of its arms the lost arm can grow back.

True

False

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Question 8 of 10

8. What is the smallest type of butterfly? Hint

cracker butterfly

western pygmy blue

white butterfly

painted lady

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Question 9 of 10

9. There are exactly 19,000 species of spiders.

True

False

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Question 10 of 10

10. Which can be poisonous to humans: millipedes or centipedes? Hint

millipedes

centipedes

both

neither

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Most Recent Scores

Nov 12 2024 : bradncarol: 6/10
Nov 06 2024 : Guest 175: 10/10
Oct 31 2024 : gogetem: 6/10
Oct 23 2024 : Guest 41: 6/10
Oct 10 2024 : Guest 175: 8/10
Oct 01 2024 : Guest 193: 8/10
Sep 24 2024 : Guest 86: 5/10

Score Distribution

Quiz Answer Key and Fun Facts

1. About what percentage of all animals are invertebrates?

Answer: 95%

Invertebrates are animals that have no backbones. That means only 5% of animals have backbones. Invertebrates can live in all types of habitats, mostly the ocean or other water sources. Some change through metamorphosis as they grow.

2. Which of these invertebrates has no organs, including a brain, and lives mostly in the ocean, but can't swim very well on its own?

Answer: jellyfish

Jellyfish usually drift in the sea currents rather than actually swimming. Only some live in fresh water. Jellyfish can sting, but not all are deadly. Jellyfish melt on land.

3. Are sea spiders true spiders?

Answer: No

Sea spiders are invertebrates that live in the ocean. They have 8-12 legs. They go through a metamorphosis. Some of them eat coral.

4. Where are a snail's eyes located?

Answer: on the end of their tentacles

Snails are in a group of mollusks called gastropods. Slugs are also gastropods. Snails can live on land or in water. The biggest type of snail is the giant African land snail.

5. Which are bigger, dragonflies or damselflies?

Answer: dragonflies

Dragonflies and damselflies are related. They are both a type of insect and go though a metamorphosis. They are different in other ways, too, besides their size. Dragonflies catch their food in the air, whereas damselflies eat their food off of plants.

6. At what time of the year do robber crabs mate?

Answer: June - September

Female robber crabs have hundreds of eggs at this time. Crabs are a type of crustacean. Robber crabs live on islands in the Pacific and Indian Oceans. Robber crabs are also known as coconut crabs.

7. If a starfish loses one of its arms the lost arm can grow back.

Answer: True

Sometimes the lost arm can grow into a new starfish. A new arm will grow in the place of the lost arm on the original animal. Starfish are echinoderms. Echinoderms live in the ocean.

8. What is the smallest type of butterfly?

Answer: western pygmy blue

A western pygmy blue's wingspan can get to be 3/8 of an inch, or one centimeter. They live in North America. The Queen Alexandra's birdwing is the biggest type of butterfly. Its wingspan can get up to one foot, or 30 centimeters.

9. There are exactly 19,000 species of spiders.

Answer: False

There are about 40,000 species of spiders. Spiders are arachnids. Spiders live on all continents, except Antarctica. Some spiders build webs to catch their food in. The biggest type of spider is the Goliath bird-eating tarantula.

10. Which can be poisonous to humans: millipedes or centipedes?

Answer: centipedes

Millipedes can have up to 375 pairs of legs! Centipedes can have up to 180 pairs of legs. Some millipedes and centipedes don't have eyes. The biggest type of centipede, the giant centipede, can get as long as 12 inches or 30 cm.

Source: Author zebra101

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