Invertebrate World

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Download our mobile app to listen on the go

Get App

Questions and Answers

What is the definition of invertebrates?

Invertebrates is an umbrella term describing animals that neither develop nor retain a vertebral column, which evolved from the notochord.

What is the estimated percentage of invertebrate species in the animal kingdom?

One estimate puts the figure at 97%.

Name three well-known phyla of invertebrates mentioned in the text.

Arthropods, mollusks, annelids

What is the size range of invertebrates mentioned in the text?

<p>Invertebrates vary widely in size, from 50 μm (0.002 in) rotifers to the 9–10 m (30–33 ft) colossal squid.</p> Signup and view all the answers

Why is the term 'invertebrates' considered polyphyletic?

<p>Some so-called invertebrates, such as the Tunicata and Cephalochordata, are actually sister chordate subphyla to Vertebrata, being more closely related to vertebrates than to other invertebrates.</p> Signup and view all the answers

Flashcards are hidden until you start studying

Invertebrate World

Choose a study mode

Podcast

Questions and Answers

What is the definition of invertebrates?

What is the estimated percentage of invertebrate species in the animal kingdom?

Name three well-known phyla of invertebrates mentioned in the text.

What is the size range of invertebrates mentioned in the text?

Why is the term 'invertebrates' considered polyphyletic?

More Like This

Exploring the World of Invertebrates

Invertebrates: The Fascinating World

Biology Chapter 12 Invertebrate Groups Quiz

Invertebrate Animals Classification

Quick Share