1-Cancer is said to be cell cycle disease? What is meant by this and how cancer is connected to mitosis and the cycle cell cycle?

2- give one example of how a cancer cell behaves differently than a regular somatic cell?

Everything that surrounds a particular organism

Which of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.

The most effective way to provide children with safety messages is to