Global warming. if the world pollutes too a certain level of extreme , a new ecosystem would do some good
Explanation:
Reforestation of agricultural land can improve biodiversity, which can result in increased primary production, reduced susceptibility to invasion by exotic species and increased ecological resistance to pressures such as climate change
Explanation:
<em><u>Members of the kingdom Euglenozoa do have mitochondria, but are a diverse group in terms of structure. All euglenoids have a flagellum, whereas the kinetoplastids have a kinetoplast</u></em>

Subordinate clause I just took test
Birds and butterflies don't have a common ancestor because one is a member of a insect and the other is well a bird. They both have different body structure. One has bones and the other has an exoskeleton. hope this helps