Sea urchins are spiny, globular animals that live on the ocean floor. How are sea urchins classified? A. vertebrates B. invertebrates C. mammals D. arthropods

My account
Edit my Profile
Private messages
My favorites

Ask a Question
Questions
Tags
Categories
Ask a Question

Jlb asked Aug 13, 2023

202,040 views

12 votes

Sea urchins are spiny, globular animals that live on the ocean floor. How are sea urchins classified?

A. vertebrates

B. invertebrates

C. mammals

D. arthropods

Biology
middle-school

Jlb asked Aug 13, 2023

by Jlb

3.2k points

0 Comments

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Your answer

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

2 Answers

28 votes

Answer:

Step-by-step explanation:

They have no bones, and therefore, they are classified as a invertebrate(s).

Schaechtele answered Aug 13, 2023

by Schaechtele

3.1k points

0 Comments

Your comment on this answer:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

14 votes

Answer:

Step-by-step explanation:

because they belong to classe Echinoidea, phylum echonodermata

Shawn Zhang answered Aug 16, 2023

by Shawn Zhang

3.1k points

0 Comments

Your comment on this answer:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Ask a Question

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers

0 Comments

Your comment on this question:

Your answer

2 Answers

0 Comments

Your comment on this answer:

0 Comments

Your comment on this answer:

Other Questions