What are  the three pieces of evidence used to support the theory of plate tectonics?

What is one way that human activity affects watersheds?

Heat rises, cool falls.  What explains this phenomenon?

Subduction and convergent zones cause what type of land feature?

group the kingdoms into their categories

Divergent boundaries create what type of landform?

What is it when the organisms with the best adaptations live long enough to reproduce?  This is also called "survival of the fittest".

Group the characteristics

How is excess carbon dioxide added to the air and water?

Put the taxonomic categories into the correct order, from most broad to most specific

Sort the characteristics into the correct category.

group the kingdoms into their categories

group the kingdom into its category

put the kingdoms into their categories

These are usually unicellular and have no nucleus

Which kingdoms belong in these domains?

These are usually multicellular and their cells have a nucleus

If two organisms are in the same order but not the same family, which of the following statements is true?

Autotrophs make their own food.

Autotrophs rely on other organisms to get their energy.