Deuterostomes ex. vertebrates Flashcards
1
Q
What are the 3 phyla in deuterostomes?
A
Echinodermata, Hemichordates and Chordata
2
Q
What is the type of symmetry in echinoderms?
A
Pentaradially symmetry
3
Q
Which of the phyla has ciliated larvae?
A
Echinodermata
4
Q
Which of the phyla has a calcified internal skeleton?
A
Echinodermata
5
Q
What are the 5 groups in Echinodermata?
A
Crinoidea, Holothuroidea, Echinoidea, Ophiuroidea, Asteroidea
6
Q
Is the notochord in Hemichordates and Chordates result of what type of evolution?
A
Convergent Evolution
7
Q
Is the skeleton a defining characteristic of chordates?
A
No
8
Q
What chordate feature transforms into respiratory organs/thyroid gland in vertebrates?
A
The pharyngeal slits
9
Q
Are urochordates and cephalochordates sedentary or free-swimming?
A
Sedentary as adults but free-moving as larvae
