POUL 1010E FINAL EXAM QUESTIONS & ANSWERS
Countercurrent blood flow in the legs - Answers - Network make up of a main artery and
vein in the leg and array of arteries and veins in the foot that allow for the blood to warm
up in the heart before being pumped back into the duck's feet
Dabbling ducks - Answers - ____ _____ have legs near the center of the body and can
go into water head first
Open bill - Answers - Dabbling ducks feed through an ____ ____ and often suck water
through their bill and use their tongue to force water in
Water - Answers - Dabbling ducks are able to leap directly off the _____ and take flight
Seasonal monogamous - Answers - duck mating habits
Gang polygamy - Answers - Unpaired male ducks with experience ___ ____
Water, tree cavities - Answers - Most ducks will nest near ____, but some prefer ____
____
Philopatric - Answers - When ducks return to nest at their own hatch sight
Hen - Answers - Female adult duck
Drake - Answers - Male adult duck
Duckling - Answers - young duck
Twice - Answers - Ducks molt _____ a year
Early spring, late summer - Answers - Ducks molt once in ____ ___ before mating
season and once in ____ ___ post-mating season.
Synchronously, two weeks - Answers - Ducks molt _____ , and can't fly for ____ _____
post-molt, which can be dangerous
Omnivores - Answers - Dabbling ducks are ______; diets change throughout the course
of the year, adapting to their seasonal environments
Diving ducks, farther back - Answers - _____ _____ tend to be smaller and more
compact; legs are ______ ____ on their bodies--- more advantageous
, Narrow bill, plant material - Answers - Diving ducks have a small ___ ____ adapted to
eating ____ _____ and small animals prey
Running start - Answers - Diving ducks require a ____ ____ to take flight
Male duck - Answers - ____ ____ is brighter (sexual dimorphism)
Algae and bacteria - Answers - Feeding ducks bread has no nutritional value and
causes extra ____ ____ ____ in water
Longer, terrestrial - Answers - Geese and swans have _____ legs than ducks and are
adapted to a more ______ lifestyle
Neck, shallow - Answers - Geese and Swans' ____ help to assist for feeding in ____
water, so they don't have to dive under
Gander - Answers - male goose
Goose - Answers - female goose
Gosling - Answers - young goose
Cob - Answers - male swan
Pen - Answers - female swan
Cygnet - Answers - young swan
Grain - Answers - Conflict between humans and urban Canadian Geese; more ____
have become available, so they are not migrating, and often destroy their surroundings
Overhunting, drainage of wetland habitats, hybridization, lead poisoning - Answers -
Threats to waterfowl populations (4)
Hybridization - Answers - When native species breed with invasive species to be less
pure native species
American hunters, reconstructing wetlands - Answers - _____ _____ have contributed
millions of dollars directly to wetland conservation in their pursuit of waterfowl. The
money is put towards ____ ____
Galliformes - Answers - An order of ground-dwelling birds that are heavy-bodied, with
well-developed flight muscles and short, rounded wings
Larger, cryptic coloration - Answers - Male galliformes tend to be _____ and brightly
colored, while females have ______ _____ (sexual dimorphism)
Countercurrent blood flow in the legs - Answers - Network make up of a main artery and
vein in the leg and array of arteries and veins in the foot that allow for the blood to warm
up in the heart before being pumped back into the duck's feet
Dabbling ducks - Answers - ____ _____ have legs near the center of the body and can
go into water head first
Open bill - Answers - Dabbling ducks feed through an ____ ____ and often suck water
through their bill and use their tongue to force water in
Water - Answers - Dabbling ducks are able to leap directly off the _____ and take flight
Seasonal monogamous - Answers - duck mating habits
Gang polygamy - Answers - Unpaired male ducks with experience ___ ____
Water, tree cavities - Answers - Most ducks will nest near ____, but some prefer ____
____
Philopatric - Answers - When ducks return to nest at their own hatch sight
Hen - Answers - Female adult duck
Drake - Answers - Male adult duck
Duckling - Answers - young duck
Twice - Answers - Ducks molt _____ a year
Early spring, late summer - Answers - Ducks molt once in ____ ___ before mating
season and once in ____ ___ post-mating season.
Synchronously, two weeks - Answers - Ducks molt _____ , and can't fly for ____ _____
post-molt, which can be dangerous
Omnivores - Answers - Dabbling ducks are ______; diets change throughout the course
of the year, adapting to their seasonal environments
Diving ducks, farther back - Answers - _____ _____ tend to be smaller and more
compact; legs are ______ ____ on their bodies--- more advantageous
, Narrow bill, plant material - Answers - Diving ducks have a small ___ ____ adapted to
eating ____ _____ and small animals prey
Running start - Answers - Diving ducks require a ____ ____ to take flight
Male duck - Answers - ____ ____ is brighter (sexual dimorphism)
Algae and bacteria - Answers - Feeding ducks bread has no nutritional value and
causes extra ____ ____ ____ in water
Longer, terrestrial - Answers - Geese and swans have _____ legs than ducks and are
adapted to a more ______ lifestyle
Neck, shallow - Answers - Geese and Swans' ____ help to assist for feeding in ____
water, so they don't have to dive under
Gander - Answers - male goose
Goose - Answers - female goose
Gosling - Answers - young goose
Cob - Answers - male swan
Pen - Answers - female swan
Cygnet - Answers - young swan
Grain - Answers - Conflict between humans and urban Canadian Geese; more ____
have become available, so they are not migrating, and often destroy their surroundings
Overhunting, drainage of wetland habitats, hybridization, lead poisoning - Answers -
Threats to waterfowl populations (4)
Hybridization - Answers - When native species breed with invasive species to be less
pure native species
American hunters, reconstructing wetlands - Answers - _____ _____ have contributed
millions of dollars directly to wetland conservation in their pursuit of waterfowl. The
money is put towards ____ ____
Galliformes - Answers - An order of ground-dwelling birds that are heavy-bodied, with
well-developed flight muscles and short, rounded wings
Larger, cryptic coloration - Answers - Male galliformes tend to be _____ and brightly
colored, while females have ______ _____ (sexual dimorphism)