What do most of the stars the students observed in the night sky have in common?

They are much closer to the Sun than to the next closest star to Earth

They are much older than the Sun

They are much cooler than the Sun

They are much larger than the Sun

Flock x flock y flock z total pieces of food eaten (from previous page) 147 93 60 food percentage* % % % simulated number of birds in flock for 3rd generation** * divide each flock's total pieces of food by 300, the total number of pieces of food eaten. ** multiply the food percentage for each flock by the total number of birds (30).

Diffusion and osmosis are forms of passive transport

What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material