Based on what you've learned about natural selection and the evolution of traits, what do you think happened to the beaks of the finches? How did you make this hypothesis? What existing knowledge formed your opinion?

Which element has the lowest density of all the elements?

What type of organism did the enzyme taq polymerase come from?

For what is solar thermal energy most often used? a. heating homes b. generating electricity c. providing light

An example of an adaptation that might increase fitness is

Which of these statements is true about kingdoms? a. The kingdom system is based on the color of the organisms in each group. b. The kingdom classification system can change based on the discovery of new information and organisms. c.

What is the hawaiian islands formed by one or several of these which bring new rock to the surface of earth?

Adolescents (ages 12-18) experiment with and develop a sense of who they are and what roles they want to play. What is the primary developmental task of this stage?

When did most marine life go extinct?

Phosphorescence is a phenomenon associated with which algal division

What are potential sources of error in a experiment?