The diagram represents a green plant with a flower. Base your answers to questions 62 through 64 on the diagram below and on your knowledge of science.
65 The chart belo
Identify two
organism. (
62 Describe one function of the roots. [1]
Base your
diagram repre
Halley's Come

Which greenhouse gas is emitted when burn fossil fuels for energy? a.nitrogen b.oxygen c.carbon dioxide d.helium

What processes would you expect to be key in the production of yogurt ?

Female luna moths (actias luna) attract males by emitting chemical signals that spread through the air. a male hundreds of meters away can detect these molecules and fly toward their source. the sensory organs responsible for this behavior are the comblike antennae visible in the photograph shown here. each filament of an antenna is equipped with thousands of receptor cells that detect the sex attractant. based on what you learned in this chapter, propose a hypothesis to account for the ability of the male moth to detect a specific molecule in the presence of many other molecules in the air. what predictions does your hypothesis make? design an experiment to test one of these predictions.