Aclass activity to study human cheek cells, a student takes a cotton swab and gently scrapes the inside of her mouth. in order to view the cheek cells using a compound microscope, what tool will the student need ? a. glass slide b. petri dish c. pipette d. scalpel

How are the testes and ovaries similar? a. both produce sex cells. b. both connect internal reproductive organs to the exterior. c. both transport sex cells from their site of production. d. both store mature sex cells.

Directions: read the descriptions of the four islands presented in the lesson. 1. list two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.

Which type of landforms forms at the plate boundary as a result of divergent stress