1. The first organisms on Earth were

mostly likely

If you needed information about a scientific concept, whom would you ask? Check all that apply. my teacher my parents a university professor a scientist my friends a librarian

What do sclerenchyma and collenchyma have in common? They are both thin-walled. They are both dead cells. They both function for support. They both function for food production and storage.

A violent, dangerous, rotating column of air that is in contact with the surface of the earth and a cloud. * A) Hurricane B) Thunderstorm C) Tornado

What is the cause and effect between mutations and effects of gene expression?

What are two ways a pollen grain can get to the stigma of a pistil

What evidence suggests that humans and bats have a common ancestors?

Which of the following causes tornadoes A. wind shear B. stationary fronts C. dry climates D. condensation

Which of the non renewable fuels is the most expensive to use and to manage

The hellenistic philosophy advocating the avoidance of both joy and pain is called

Range on a pH scale for acid