Origin of Chordates: Overview

FavoriteGrowth avatar
FavoriteGrowth
·
·
Download

Start Quiz

Study Flashcards

14 Questions

Which phylum has the largest number of species?

Nematodes

What is the largest group within the chordates?

Vertebrates

Which family includes humans?

Hominids

What makes chordates especially useful in defining ideas about evolutionary processes?

Their hard parts that survive in the fossil record

What kind of internal body cavity do chordates have?

Fluid-filled

Why is studying chordates of interest to humans?

Because humans belong to this phylum

What distinguishes protostomes from deuterostomes?

Embryological characteristics

Which lineage includes molluscs, annelids, and arthropods?

Ecdysozoa

What term is used for the pattern where dividing cells are aligned during cleavage?

Radial cleavage

What forms the layer between the ectoderm and endoderm in an embryo?

Mesoderm

What is the term for a solid mass of mesodermal cells splitting to form the body cavity within them?

Schizocoelom

Which group includes echinoderms and hemichordates?

Deuterostomes

What is the name for the fluid-filled cavity within the round, hollow ball of cells in an embryo?

Enterocoel

What process involves one wall of the ball of cells indenting and growing inward?

Gastrulation

Explore the origin and diversity of chordates, the fourth largest animal phylum, encompassing cephalochordates, urochordates, and vertebrates. Learn about the evolution and characteristics of these groups within the phylum.

Make Your Own Quizzes and Flashcards

Convert your notes into interactive study material.

Get started for free

More Quizzes Like This

Chordates and Hemichordates Evolution Quiz
10 questions
Evolution of Chordates and Vertebrates Quiz
11 questions
Protochordates: The Evolutionary Roots Quiz
12 questions
Use Quizgecko on...
Browser
Browser