2.  Many plants and animals that presently exist are becoming less and less plentiful.  These organisms are on the endangered list because they are in danger of becoming extinct.

3.  Many animals have been endangered because of human activities.  Overhunting and poaching has placed some animals on the endangered list. Expanding cities, building roads and railroads has caused the destruction of habitats of many organisms

4.  All species within a community interact with each other to maintain the food webs and food chains in the ecosystem.  The destruction of any one species could have detrimental effects on many other species in the community

5.  Today, there are 631 endangered species at risk in Canada,

6. Some Endangered Species in Canada Whooping Crane Burrowing Owl

7.  Whooping crane  American badger  Peregrine falcon  Wolverine  Swift fox  Eastern cougar  Piping plover  Kirkland's warbler  Acadian flycatcher  Western screech owl  Atlantic salmon  Hen slows sparrow  Woodland caribou  Atlantic cod  Blacktailed prairie dog  American ginseng  Burrowing owl  Tiger salamander  Blue whale  Northern cricket frog  Yellow rail  Sharp-tailed snake  Buffalo grass  Leatherback turtle  Hairy prairie clover  American marten  Slender mouse ear cress  Prairie lupine Do not need to write down all of these! Just to give you some ideas.