Which of the following is a key feature of the phylum Chordata?
Practice Questions
1 question
Q1
Which of the following is a key feature of the phylum Chordata?
Notochord
Exoskeleton
Radula
Tentacles
The presence of a notochord is a defining characteristic of the phylum Chordata, which includes vertebrates.
Questions & Step-by-step Solutions
1 item
Q
Q: Which of the following is a key feature of the phylum Chordata?
Solution: The presence of a notochord is a defining characteristic of the phylum Chordata, which includes vertebrates.
Steps: 5
Step 1: Understand what a phylum is. A phylum is a group of related animals that share certain characteristics.
Step 2: Learn about the phylum Chordata. This phylum includes animals like fish, birds, mammals, and reptiles.
Step 3: Identify the key feature of Chordata. The main characteristic that defines this group is the presence of a notochord.
Step 4: Know what a notochord is. A notochord is a flexible rod-like structure that provides support and is found in the early development of all chordates.
Step 5: Remember that all vertebrates (animals with a backbone) are part of the Chordata phylum, and they all have a notochord at some stage of their life.
