The colonization of land by animals: took place billions of years ago. was made easier by high atmospheric levels of carbon dioxide. preceded the presence of plant species on land. may have taken place independently by a variety of species descended from aquatic ancestors.

Question

Biology

Macintosh

12 March, 07:48

The colonization of land by animals: took place billions of years ago. was made easier by high atmospheric levels of carbon dioxide. preceded the presence of plant species on land. may have taken place independently by a variety of species descended from aquatic ancestors.

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Rachel Norris · Answer 1

Answer: the correct answer may have taken place independently by a variety os species descended from aquatic ancestors.

Explanation:

Scientists think that life started in the oceans as early as 4 to 4.2 billion years ago.