1. 229/2,400=9.45%
2. a) 250 X 6=1500 pellets
b) 732,000,000/250= 2,928,000shotgun shells
1. a) 247/1,000= 24.7%died od lead poisoning
b) .95 X 247= 235 swans dead from lead poisoning
2. a) 24/26= 92.3%
3. a) 21X20= 420 pellets deposited after 20 years
b) 17 X 21=357 pellets deposited after 17 years
1. 19,000 X .97=18,430 trumpeter swans
19,000 - 18430= 570 tundra swans
2. a) 250 X 6=1500 pellets
b) 732,000,000/250= 2,928,000shotgun shells
1. a) 247/1,000= 24.7%died od lead poisoning
b) .95 X 247= 235 swans dead from lead poisoning
2. a) 24/26= 92.3%
3. a) 21X20= 420 pellets deposited after 20 years
b) 17 X 21=357 pellets deposited after 17 years
1. 19,000 X .97=18,430 trumpeter swans
19,000 - 18430= 570 tundra swans
1. The mallard duck is more susceptible
2. The Gadwell duck is least susceptible
3. a) mallard: Atlantic
b) Gadwell : Mississippi
c) Blue-winged teal: Mississippi
d) Shoveler: Pacific
2. The Gadwell duck is least susceptible
3. a) mallard: Atlantic
b) Gadwell : Mississippi
c) Blue-winged teal: Mississippi
d) Shoveler: Pacific