When a cell's volume becomes too great for the surface area to maintain the cell will a) die. b) divide. c) grow. d) move.

Based on the phylogenetic chart, which three statements are true about the relationship between the organisms? a human is more closely related to a mouse than a kangaroo. a platypus is more closely related to kangaroo than a mouse. a human and a kangaroo share common features because of a common ancestor. a platypus and a mouse are more closely related than a platypus and a kangaroo. a kangaroo and a mouse are more closely related than a mouse and a human.

Explain why phospholipid molecules form a bilayer. (3 marks)

Which of the following is a consequence of urban heat islands? increased precipitation downwind of the city? increased precipitation upwind of the city? decreased winds within the city? increased winds within the city?