A supernova is the explosion of a

A. Medium-sized Star

B. Massive star

C. Protostar

D. Nebula

What type of symbiotic relationship does a grizzly bear and a salmon fish have?

Determining the types of fats people should consume to lower their risk of heart disease based on their genetic makeup is an example of what field of study? a. nutritional genomics b. epidemiological research c. observational research d.

What do scientists call information collected from observation?

What other name can autotrophs be called?

What characteristics are used to describe a population?

One of the original Amish colonies rose from a ship of colonists that came from Europe. The ship’s captain, who had polydactyly, a rare dominant trait, was one of the original colonists.

What did Galileo think the bulges on either side of Saturn were cause by?

Which of the following is NOT a renewable form of energy? A. Biomass B. Solar C. Coal D. Geothermal

How are changes in populations related to the availability of an ecosystem's resources?

As ocean depth increases, pressure increases, and temperature decreases. True False