BIO 345 exam 2 Questions and Answers with Verified Solutions | Latest
2026 Update
Q: Temperature dependant sex determination
Answer:
observed in crocs, turtles, lizards, and tuatara
larger sex develops warmer temperatures
female turtles
male lizards, crocs, and tuatara
many dont have chromosomes
ones that do temperature overrides functional sex
Q: turtle migration
Answer:
amazon river turtles come back and guide off-spring w/call
green sea turtles nest on island away from predators - long distance to feeding area
use magnetic field of earth to know direction
,BIO 345 exam 2 Questions and Answers with Verified Solutions | Latest
2026 Update
Q: Magnetic field
Answer:
used to guide turtles
develops from nest
when distrupted migration needs up being rand om
Q: Family Sphenodonitidae
Answer:
on protected islands off new zealand
primitive
2 rows of teeth on upper jaw, lower teeth between them
3rd eye on top of head
long gestation/long lived
late on set of sexual maturity: oviparious, cloacal mating
nocturnal
associated with sea birds: eats nestlings, food, scrapes, and inverts
,BIO 345 exam 2 Questions and Answers with Verified Solutions | Latest
2026 Update
Q: burrowing for protection
Answer:
Q: reptilia Squamata
Answer:
lizards and snakes
Q: Parietal eye
Answer:
3rd eye on top of head, helps with circadian clock
Q: autotomy
Answer:
tails have fracture planes, can grow back
defense mechanism
fat stored in tail so loss of energy
, BIO 345 exam 2 Questions and Answers with Verified Solutions | Latest
2026 Update
Q: jacobsens organ
Answer:
delievers chemosensory into roof of mouth
Q: Squamata: reproduction
Answer:
males defend territories w/gular fan and push ups
no parental care
internal fertilization
Q: Squamata: Whiptail
Answer:
all female species, develop from unfertilized eggs, genetically identical
parthenogenesis: switches between male and female roles and mate like normal
colonizes new areas rapidly but less likely to adapt
2026 Update
Q: Temperature dependant sex determination
Answer:
observed in crocs, turtles, lizards, and tuatara
larger sex develops warmer temperatures
female turtles
male lizards, crocs, and tuatara
many dont have chromosomes
ones that do temperature overrides functional sex
Q: turtle migration
Answer:
amazon river turtles come back and guide off-spring w/call
green sea turtles nest on island away from predators - long distance to feeding area
use magnetic field of earth to know direction
,BIO 345 exam 2 Questions and Answers with Verified Solutions | Latest
2026 Update
Q: Magnetic field
Answer:
used to guide turtles
develops from nest
when distrupted migration needs up being rand om
Q: Family Sphenodonitidae
Answer:
on protected islands off new zealand
primitive
2 rows of teeth on upper jaw, lower teeth between them
3rd eye on top of head
long gestation/long lived
late on set of sexual maturity: oviparious, cloacal mating
nocturnal
associated with sea birds: eats nestlings, food, scrapes, and inverts
,BIO 345 exam 2 Questions and Answers with Verified Solutions | Latest
2026 Update
Q: burrowing for protection
Answer:
Q: reptilia Squamata
Answer:
lizards and snakes
Q: Parietal eye
Answer:
3rd eye on top of head, helps with circadian clock
Q: autotomy
Answer:
tails have fracture planes, can grow back
defense mechanism
fat stored in tail so loss of energy
, BIO 345 exam 2 Questions and Answers with Verified Solutions | Latest
2026 Update
Q: jacobsens organ
Answer:
delievers chemosensory into roof of mouth
Q: Squamata: reproduction
Answer:
males defend territories w/gular fan and push ups
no parental care
internal fertilization
Q: Squamata: Whiptail
Answer:
all female species, develop from unfertilized eggs, genetically identical
parthenogenesis: switches between male and female roles and mate like normal
colonizes new areas rapidly but less likely to adapt
