Which Are Invertebrate Chordates

question 9

Multiple Choice

Which are invertebrate chordates?

• A) tunicates only
• B) lancelets only
• C) jawless fishes only
• D) tunicates and lancelets but not jawless fishes
• E) tunicates, lancelets, and jawless fishes

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Definitions:

Transitional Forms

Fossilized remains that show intermediate characteristics between ancestral species and their modern descendants, often cited as evidence of evolution.

Fossil Record

The collection of fossils that has been discovered, providing evidence of the history of life and evolutionary processes on Earth.

Reptiles

A group of cold-blooded animals with scaly skin that typically lay eggs on land, such as snakes, lizards, crocodiles, and turtles.

Amphibians

A class of cold-blooded vertebrates that includes frogs, toads, salamanders, and newts, primarily living in moist environments.