Answer:
A is the correct answer
Explanation:
the existed about 3.8to 4.0 billion years ago
<span>The absence of the predator in the experimental plots led to a rise in population of the two species hence suppressing the other species since they were the prey of the Sea stars. But when the sea stars were present, they maintained a balance in the species diversity by feeding on Mussel and Barnacle species.</span>
Answer:
<em>IAU- International Astronomical Union</em>
Explanation:
The International Astronomical Union (IAU) is an organization consisting of professional astronomers from around the whole world. The astronomers in the International Astronomical Union (IAU) work together to assign names and probable functions of different celestial bodies being discovered. The aim of the International Astronomical Union (IAU) is to protect and to safeguard field of astronomy and make progress in this field.
Some characteristics that is shared is a soft body and an outer shell to protect their body.
