Bio 2040 BGSU Final Exam Questions
and Answers 100% Solved | Rated A+
4 derived characteristics of phylum chordata - ✔✔notochord, dorsal, post
anal tail, pharyngeal clefts
2 groups of gnathostomes - ✔✔plactoderms, acanthodians
Shark characteristics - ✔✔no swim bladder, good smell, lateral line system,
senses vibration
what vertebrates are in osteichthyans? - ✔✔fish, tetrapods
3 surviving lobe-fins - ✔✔coelacanths, lungfish, tetrapods
characteristics of tetrapods: - ✔✔4 limbs & feet with digits , neck (allows
separate movement of head) , fusion of pelvic girdle to backbone, absence
of gills, ears (detect airborne sound)
Groups of Amphibians - ✔✔salamanders, frogs, toads, caecilians
major causes of amphibian extinction - ✔✔chytrid fungus, habitat loss,
climate change, pollution
Amniotes - ✔✔reptiles, birds, mammals
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, the ________ is a membrane that holds the metabolic wastes of the
embryo - ✔✔allantois (amniotic egg)
chorion membrane - ✔✔exchanges gas for embryo
yolk sac - ✔✔The yolk sac is an extra-embryonic membrane that provides
food for the embryo.
All living reptiles are - ✔✔ectothermic diapsids
2 lineages of diapsids - ✔✔lepidosaurs (tuatarus, lizards, snakes, and
extinct mososaurs)
archosaurs (turtles, crocodilians, pterosaurs, dinosaurs & birds)
Pterosaurs - ✔✔Winged reptiles that lived during the time of dinosaurs.
(first to have developed flight!!)
anatomical evidence suggest that at least some dinosaurs were -
✔✔endotherms
Advantages of flight - ✔✔escape from predators, new food sources,
different locations, more colonization because of better resources,
migration
characteristics of birds - ✔✔elaborate courtship rituals, fertilization is
internal, eggs must be kept warm through brooding
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
and Answers 100% Solved | Rated A+
4 derived characteristics of phylum chordata - ✔✔notochord, dorsal, post
anal tail, pharyngeal clefts
2 groups of gnathostomes - ✔✔plactoderms, acanthodians
Shark characteristics - ✔✔no swim bladder, good smell, lateral line system,
senses vibration
what vertebrates are in osteichthyans? - ✔✔fish, tetrapods
3 surviving lobe-fins - ✔✔coelacanths, lungfish, tetrapods
characteristics of tetrapods: - ✔✔4 limbs & feet with digits , neck (allows
separate movement of head) , fusion of pelvic girdle to backbone, absence
of gills, ears (detect airborne sound)
Groups of Amphibians - ✔✔salamanders, frogs, toads, caecilians
major causes of amphibian extinction - ✔✔chytrid fungus, habitat loss,
climate change, pollution
Amniotes - ✔✔reptiles, birds, mammals
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, the ________ is a membrane that holds the metabolic wastes of the
embryo - ✔✔allantois (amniotic egg)
chorion membrane - ✔✔exchanges gas for embryo
yolk sac - ✔✔The yolk sac is an extra-embryonic membrane that provides
food for the embryo.
All living reptiles are - ✔✔ectothermic diapsids
2 lineages of diapsids - ✔✔lepidosaurs (tuatarus, lizards, snakes, and
extinct mososaurs)
archosaurs (turtles, crocodilians, pterosaurs, dinosaurs & birds)
Pterosaurs - ✔✔Winged reptiles that lived during the time of dinosaurs.
(first to have developed flight!!)
anatomical evidence suggest that at least some dinosaurs were -
✔✔endotherms
Advantages of flight - ✔✔escape from predators, new food sources,
different locations, more colonization because of better resources,
migration
characteristics of birds - ✔✔elaborate courtship rituals, fertilization is
internal, eggs must be kept warm through brooding
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
