Deuterostome Animals (Grades 11-12)
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Deuterostome Animals
1.
Which is NOT a characteristic of deuterostome animals?
- radial cleavage
- three germ layers
- more species than protostomes
- a blastopore that becomes an anus
2.
Besides the echinoderms and chordates, which other clade comprises the deuterostomes?
- vertebrates
- cephalochordates
- hemichordates
- urochordates
3.
are deuterostomes that posses a dorsal hollow nerve cord, a post-anal tail, a notocord, and gills at some point in their development.
4.
Birds are believed to have evolved from .
5.
Which feature allows for heat retention in a vertebrate?
- leathery skin on sharks
- feathers on birds
- watertight skin on reptiles
- scales on fish
6.
What is the main difference between amphibians and reptiles?
- Amphibian eggs can survive out of water, while reptile eggs cannot.
- Amphibians breathe using lungs, while reptiles breathe using gills.
- Amphibians can give live birth, while reptiles can only lay eggs.
- Amphibians have a permeable skin, while reptiles have thick skin.
7.
Which characteristic is NOT found in the chordates?
- external skeleton
- bilateral symmetry
- gill slits during development
- notochord
8.
Which is a characteristic of the echinoderms?
- bilateral symmetry
- pharyngeal gill slits
- internal skeleton of calcified plates
- a well-developed brain
9.
Which statement about marsupial mammals is true?
- They are the only egg-laying mammals.
- Their offspring finish development within a special pouch.
- Their mammary glands have no nipples.
- They are found only in Australia.
10.
When determining phylogenies among organisms, why is knowing what the larval forms look like an important piece of information?
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