Which example best describes a reflex action? A.
eating food when hungry
B.
going for a walk outside
C.
bending down to lift a heavy object
D.
coughing when the throat is irritated

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules

Aplant may open end close its stomata to prevent excess water loss and maintain

Match the reproductive structures based on their function and the system to which they belong. egg ovary sperm vas deferens vagina fallopian tube testis urethra