A biologist counts the number of zebras in a population each year and notices an increase in the zebra population. Which describes the biologist’s actions? A. graphing
B. inference
C. observation
D. interacting

Which property is used to identify the origin of an igneous rock? color density hardness crystal size

What type of specimens where you able to see under each of the microscopes in the microscope activity

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.