Answer:
III) Animals had the ability to resist dehydration.
IV) Animals had lobe-finned fishes as ancestors.
Explanation:
In other to conquer land, the first animal to colonize land had to be able to deal with lack of constant water supply. Some of the early conquerers had remnant parts from an aquatic living.
Answer:
both apply to a certain region
Answer:
Unique Biodiversity. Eighty percent of the world's known terrestrial plant and animal species can be found in forests, and tropical rainforests are home to more species than any other terrestrial habitat. A square kilometer of forest may be home to more than 1,000 species.
Explanation: