Question:
Overall, when we consider the number of animal families over
Last updated: 8/7/2022
![Overall, when we consider the number of animal families over](https://media.kunduz.com/media/sug-question/raw/82097866-1659914065.639981.jpeg?h=512)
Overall, when we consider the number of animal families over time, the trend since the Cambrian until today has been for that number to increase decrease remain constant