human inpacts to the invarment

Mere som dette

Soil Pollution

af Cumba Guanin Cumba Guanin

Canada

af Mindomo Team

Grade 7 Ancient Civilizations

af Andrew Smith

Factors that influance river energy

af hui sien

we are going to build a boat that takes out the invasive species

human inpacts to the invarment

climate change

over harvesting

habitat destruchtion

what is habitat destruction

When an ecosystem has been dramatically changed by human activities

increasing human population

All of the population facts on how it started

invasive specis

We are wondering how invasive species get to a habitat.

what are invasive species

Top invasive species.

Water hyacinth are in North America and are spreading into oceans and lakes. They are in Ontario in Some unknown places. These plants make the water bad for the environment and will kill the fish. they will make the outside of the area they cover all into rotten pieces of it.

Goby's were first spotted in Europe and North America they are mostly in lakes now. Goby's will kill other fish until there are no fish in that area.

Cane toad: the cane toad was not popular and about to go extincted and there where only about 5,000 left. they released about 3,000 and then there where millions of them and now we need to kill them because they are taking over all of the forest. they where released in north eqeenland in 1935 and then they populated.