Problems There are millions of different kinds of animals and plants that share our planet. Each species is special and unique, and sadly some of these species are in danger of disappearing forever, just as the passenger pigeon did. It is when the last member of a species disappears, that species becomes extinct. The specie will never again walk, swim, fly on the planet again. Canada was once filled with wildlife. Due to the fact …showed first 75 words of 1957 total…

…showed last 75 words of 1957 total…animals may then be poisoned by eating the fish. Eating the poisoned fish would be the indirect cause of endangerment to the large sea animals. Polluting of the waters is also of great concern because of other forms of sea life that have been poisoned may be eaten by people. Accidental poisoning of water supplies used by people- poisoning, for example, by industrial pollutants- is another threat to human life. Many animals are threatened too.