Answer:
diploid
Explanation:
So humans have two homologous chromosome sets in each cell, meaning humans are diploid organisms.
Answer:
541 million years ago with the Cambrian explosion, an extraordinary diversification of marine animals, and ended about 252 million years ago with the end-Permian extinction, the greatest extinction event in Earth history.
source- Britannica
Explanation:
Generally speaking if time is on the x-axis and the thing that’s changing is on the y-axis, a steep curve would indicate a rapid rate of change.