BSC2011 Test 3 USF questions with accurate
answers
Acoelomates Ans✓✓✓ no body cavity
Actinistia (coelacanths) important characteristics Ans✓✓✓ - believed
extinct until 1938
1) special joint in skull gives powerful bite
2) swim bladder filled with oil rather than gas
3) went to land but returned to sea
All animals are Ans✓✓✓ Metazoa
Amniotes key innovation Ans✓✓✓ shelled egg
-broke obligate tie to water
Animal Diversity Characteristics Ans✓✓✓ -multicellularity
-heterotrophs
-no cell walls
-nervous tissue
-capacity to move
Ascomycota fungi defining characteristic Ans✓✓✓ produce sexual
spores called ascospores
,Basidiomycota (Fungi) Ans✓✓✓ produce mushrooms, puffballs,
stinkhorns, shelf fungi, rusts, and smuts as fruiting bodies.
(basidiospores)
Before molecular methods, the biological diversity of animals was
classified into Ans✓✓✓ morphological and developmental features
Bilateria are Ans✓✓✓ triploblastic: 3 germ layers that form during
embryonic development
-endoderm
-ectoderm
-mesoderm
Bilateria contains Ans✓✓✓ Deuterostomia and Protostomia based on
embryonic development
Bilateria: Ecdysozoa important characteristics Ans✓✓✓ 1) ecdysis
(molting)
2) all possess a cuticle for support and protection
3) tracheae: branching air filled tubes
Bony fish: Class Actinopterygii (ray-finned fish) Ans✓✓✓ -95% of the
25,000 species of fish
- fins supported by thin, bony, flexible rays
, Brachiopoda Ans✓✓✓ 1) 3,000 species
2) marine with 2 shells
3) dorsal and ventral valve
Bryozoa Ans✓✓✓ 1) 4,000 species
2) animal secretes and lives inside zoecium
cephalization Ans✓✓✓ the concentration of nerve tissue and sensory
organs at the anterior end of an organism
Chondrichthyes ( sharks, skates, and rays) important characteristics
Ans✓✓✓ 1) cartilaginous fish
2) sharks among earliest fish to develop teeth
3) denser than water & need to swim to breathe
4) internal fertilization
Chytridiomycosis Ans✓✓✓ a disease of amphibians caused by the
fungus Batrachochytrium dendrobatidis; thought to be a major cause of
the global amphibian decline
Chytridiomycota (chytrids) Ans✓✓✓ a primitive division of fungi that
live in water and produce gametes with flagella.
answers
Acoelomates Ans✓✓✓ no body cavity
Actinistia (coelacanths) important characteristics Ans✓✓✓ - believed
extinct until 1938
1) special joint in skull gives powerful bite
2) swim bladder filled with oil rather than gas
3) went to land but returned to sea
All animals are Ans✓✓✓ Metazoa
Amniotes key innovation Ans✓✓✓ shelled egg
-broke obligate tie to water
Animal Diversity Characteristics Ans✓✓✓ -multicellularity
-heterotrophs
-no cell walls
-nervous tissue
-capacity to move
Ascomycota fungi defining characteristic Ans✓✓✓ produce sexual
spores called ascospores
,Basidiomycota (Fungi) Ans✓✓✓ produce mushrooms, puffballs,
stinkhorns, shelf fungi, rusts, and smuts as fruiting bodies.
(basidiospores)
Before molecular methods, the biological diversity of animals was
classified into Ans✓✓✓ morphological and developmental features
Bilateria are Ans✓✓✓ triploblastic: 3 germ layers that form during
embryonic development
-endoderm
-ectoderm
-mesoderm
Bilateria contains Ans✓✓✓ Deuterostomia and Protostomia based on
embryonic development
Bilateria: Ecdysozoa important characteristics Ans✓✓✓ 1) ecdysis
(molting)
2) all possess a cuticle for support and protection
3) tracheae: branching air filled tubes
Bony fish: Class Actinopterygii (ray-finned fish) Ans✓✓✓ -95% of the
25,000 species of fish
- fins supported by thin, bony, flexible rays
, Brachiopoda Ans✓✓✓ 1) 3,000 species
2) marine with 2 shells
3) dorsal and ventral valve
Bryozoa Ans✓✓✓ 1) 4,000 species
2) animal secretes and lives inside zoecium
cephalization Ans✓✓✓ the concentration of nerve tissue and sensory
organs at the anterior end of an organism
Chondrichthyes ( sharks, skates, and rays) important characteristics
Ans✓✓✓ 1) cartilaginous fish
2) sharks among earliest fish to develop teeth
3) denser than water & need to swim to breathe
4) internal fertilization
Chytridiomycosis Ans✓✓✓ a disease of amphibians caused by the
fungus Batrachochytrium dendrobatidis; thought to be a major cause of
the global amphibian decline
Chytridiomycota (chytrids) Ans✓✓✓ a primitive division of fungi that
live in water and produce gametes with flagella.
