I'm pretty sure your talking about Vertebrates
Answer:
C) Weathering and erosion
Explanation:
The completed sentence will be as follows -
The deserts and dunes seen here are created through the process of Weathering and Erosion.
Weathering is defined as the process of breakdown of rocks, soil and minerals into small particles under the influence of atmosphere, water and also biological organisms to some extent. The products of weathering are found at same place as the original rock with little or no movement.
In erosion, the materials such as rocks and soil or dissolved materials are transported from one place to the another place by the action of wind or water flow. So, here displacement of substances takes place.
If i'm not mistaken, it's the aorta
<span>the variety of life in the world or in a particular habitat or ecosystem.
examples would be like a group of animals living on a farm or a family in a house.
but if ur meaning "megadiverse" would be like humans inhabiting the earth. or the ocean full of marine life</span>