Why are neurons so important?

How much does the intertidal zone drop on rocky shores?

What are chlorofluorocarbons made of

Which of the following protists uses an eyespot to detect light? A. amoeba B. Dinkleydoo C. Paramecium D. Euglena

Drag each label to the appropriate bin. If an organism is both a secondary consumer and a tertiary consumer, drag it to the "both secondary and tertiary consumer" bin.

Which question would ask in a dichotomous key

Exotic pets, such as lizards and tarantulas, have increased in popularity. These animals are caught in the wild and sold as pets. What are two possible effects this action can have on biodiversity?

How do ice ages affect the surface of the Earth?

Which of earth s spheres includes mammals, fishes, and birds? hydrosphere biosphere atmosphere geosphere?

How fast does the human heart beat when under stress?

a. a small structure within a cell. b. a structure composed of several tissue types. c. the basic structural unit of all living organisms. d. a group of organs with a common set of functions. e. a group of cells with similar structure and function.