Invasive species Crossword

This is what happens when a whole population drops to near zero
This is what animals or plants do when there are not enough resources
This means to completely wipe out a species from a particular environment
When animals or plants are originally from an area
When something is very smelly or bad tasting
when a plant or animal consumes very large quantities of resources it has this appetite.
When you separate a plant or animal to protect them or the environment
when an environment has many different types of plants or animals is has lots of...
When a plant or animal has different characteristics than the native organisms it is said to be ...
this is how many plants or animals get to a new area.
when you are from another place but cause no harm
a plant or animal from another region that causes harm to the environment