How can natural selection affect the songs that birds sing?

What is the most commonly spoken language in the Sahara? Arabic Berber Beja English

Which type of volcanic mountain has wide, gentle slopes? Rift Shield Composite Cinder cone

What is an organism casue all the pages in the text book have been riped out

Maximum rate at which the population of a given species can increase when there are no limits on its rate of growth.

Which is a part of the cell theory? a) cells come from pre-existing cells b) cells have a nucleus c) organisms with one cell must be seen with a microscope d) organisms must have more than one cell to live

Siamese cats have dark fur on their face, ears, legs and tail. On the core of their bodies they have lighter colored fur. The color of the fur is determined by an enzyme. On the cooler parts of the body the enzyme causes darker fur.

Which organs perform both mechanical digestion and chemical digestion of food?

What animals can eat chocolate

What do cells have in common

Summarize the similarities and differences of Prophase and Telophase.