Placing fruit or flower blossoms in the refrigerator will them last longer.
a. true
b. false

Which plant has a visible leaf modification that will it conserve water in extremely dry environments?

Wich level of organization includes all the other levels or organizations

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.