Multiple Choice
Which two groups of vertebrates are warm-blooded?
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30. Overview of Animals
Overview of Animals
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Which statement describes a difference between a jellyfish and a frog?
A
A jellyfish lacks a backbone, while a frog has a backbone.
B
A jellyfish has four legs, while a frog has tentacles.
C
A jellyfish is a vertebrate, while a frog is an invertebrate.
D
A jellyfish breathes with lungs, while a frog uses gills throughout its life.
Verified step by step guidance1
Step 1: Understand the key biological terms in the question. A 'vertebrate' is an organism with a backbone, while an 'invertebrate' is an organism without a backbone. This distinction is crucial for comparing jellyfish and frogs.
Step 2: Analyze the anatomy of a jellyfish. Jellyfish are invertebrates, meaning they lack a backbone. They are part of the phylum Cnidaria and have a simple body structure without bones or a skeletal system.
Step 3: Analyze the anatomy of a frog. Frogs are vertebrates, meaning they have a backbone. They belong to the class Amphibia and have a more complex skeletal system, including a spine.
Step 4: Evaluate the other statements in the question. For example, jellyfish do not have legs or lungs, and frogs do not have tentacles or use gills throughout their entire life. These statements are biologically incorrect.
Step 5: Conclude that the correct statement is: 'A jellyfish lacks a backbone, while a frog has a backbone,' as this accurately describes the key difference between the two organisms.
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