Which of the following describes a cell? A cell is a group of organ systems that all contain the same type of tissues.

A cell is a collection of tissues that all perform the same function.

A cell is the smallest unit of organization in a living thing.

A cell is a group of related organs that work together for a common purpose.

How does the fossil record provide evidence that the modern whale evolved from the anthracotheres? a) the modern whale looks like their ancestor the anthracotheres. b) the modern whale has all of the same structures as their ancestor. c) there is not enough evidence to suggest the the modern whale evolved from the anthracotheres. d) the anthracotheres has a structure that is still present in the modern whale, but is no longer of use to the modern whale.