11. name 3 types of birds in oceania and describe what makes them unique.

12. what are some ways that non-native species were introduced to oceania?

13. what effects can invasive species can have on an ecosystem?

14. what are 3 invasive species in oceania? what effects do they have on the environment in
oceania?

15. how are “high islands” formed?

16. how are “low islands” formed?

13. An invasive species can be any kind of living organism—an amphibian (like the cane toad), plant, insect, fish, fungus, bacteria, or even an organism's seeds or eggs—that is not native to an ecosystem and causes harm. They can harm the environment, the economy, or even human health.

14. a high island or volcanic island is an island of volcanic origin. The term can be used to distinguish such islands from low islands, which are formed from sedimentation or the uplifting of coral reefs (which have often formed on sunken volcanos).

15. A low island is, in geology (and sometimes in archaeology), an island of coral origin. The term applies whether the island was formed as a result of sedimentation upon a coral reef or of the uplifting of such islands. The term is used to distinguish such islands from high islands, whose origins are volcanic.

Sorry I don’t know the other questions

Because ours has not callosped, its working without the planets crashing into eachother, and the sun is the right distance away.

The sum is equal to 180 degrees