A strand of DNA is transcribed to create a strand of mRNA that is then translated into a protein. How is the translated mRNA strand different from the DNA it was transcribed from? Choose the best answer.

Over many years on an island in the Galapagos, the beaks of ground finches got bigger. This change is thought to be due to a drought which caused small seeds to disappear leaving only large seeds for food. What type of selection is this?

What is the most important product of cellular respiration?

If a cell has a lot of ribosomes, it probably specializes in producing what? 

 By definition, biological evolution is:

Which of the following is NOT a characteristic of life?

Which of the following describes the most likely order of events in allopatric speciation?

Which of the following is NOT correct about the adaptive immune system?

Which of the following is ONLY found in eukaryotic cells, NOT prokaryotic ones?

Which lizard has the highest evolutionary fitness?