BIO 345 Exam 4 Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: Family Eschirchtiidae
Answer:
gray whale
migrate down west coast late fall: gives birth and mates in warm water
migrates up coast in spring: feeding grounds
eats inverts in mud
reproduce once every 2 years
Q: family balaenopteridae
Answer:
rorqual
pleasted throat pouch: gulp more water, filter for krill
blue, sei, brydes, fin, minke, and humpback whales ( bubble net)
Q: family balaenifae
Answer:
right and bowhead whale skim surface of ocean for inverts
get hit by ships, leaves identifable markings
, BIO 345 Exam 4 Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: infra order odontoceti
Answer:
toothed whales
simple conical teeth
generally eat: fish, squid, some mammals
highly developed ecolocation
1 blowhole
generally small/medium: sperm whale and bottleneck expectation
social and hunt cooperatively
generally not migrants
Q: odontoceti families
Answer:
delphinidae, phocoenidae, monodontidae, physeteridae
, BIO 345 Exam 4 Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: ecolocation
Answer:
send out sound through melon, recieved in lower jaw
used to find food
Q: delphinidae
Answer:
dolphins, orcas, pilot whale
active, social, and small
prominent beaks
large tapering flippers
sickle-shaped dorsal fin
black and white
acobatic
excellent ecolocation
, BIO 345 Exam 4 Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: pilot whales
Answer:
mass strandings
Q: spinner dolphins
Answer:
get caught in tuna nets
travel with yellowfin tuna
defend against predators or find food
fisherman just dolphins as sign of tuna
Q: orca
Answer:
main different types
3 in PNW
Latest 2026 Update
Q: Family Eschirchtiidae
Answer:
gray whale
migrate down west coast late fall: gives birth and mates in warm water
migrates up coast in spring: feeding grounds
eats inverts in mud
reproduce once every 2 years
Q: family balaenopteridae
Answer:
rorqual
pleasted throat pouch: gulp more water, filter for krill
blue, sei, brydes, fin, minke, and humpback whales ( bubble net)
Q: family balaenifae
Answer:
right and bowhead whale skim surface of ocean for inverts
get hit by ships, leaves identifable markings
, BIO 345 Exam 4 Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: infra order odontoceti
Answer:
toothed whales
simple conical teeth
generally eat: fish, squid, some mammals
highly developed ecolocation
1 blowhole
generally small/medium: sperm whale and bottleneck expectation
social and hunt cooperatively
generally not migrants
Q: odontoceti families
Answer:
delphinidae, phocoenidae, monodontidae, physeteridae
, BIO 345 Exam 4 Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: ecolocation
Answer:
send out sound through melon, recieved in lower jaw
used to find food
Q: delphinidae
Answer:
dolphins, orcas, pilot whale
active, social, and small
prominent beaks
large tapering flippers
sickle-shaped dorsal fin
black and white
acobatic
excellent ecolocation
, BIO 345 Exam 4 Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: pilot whales
Answer:
mass strandings
Q: spinner dolphins
Answer:
get caught in tuna nets
travel with yellowfin tuna
defend against predators or find food
fisherman just dolphins as sign of tuna
Q: orca
Answer:
main different types
3 in PNW
