(Q).
Mammals generate heat mainly by keeping their metabolic rate high, and shrews have the highest metabolism of any mammal. Given these facts, what metabolic rate does a shrew have among the following options: - allow growth - High rate - four limbs - complex - glucose - Energy. - more abundant - energy
(A).
High rate

(Q).
Hearing is used for sensing sound by animals, and hearing is measured in decibels, which is the degree of loudness required to hear the sound. Given these facts, what can animals sense among the following options: - a pathogens - Temperature - hormones - decibels - mitosis - heat - erosion - decomposition
(A).
decibels

(Q).
Alight bulb requires electrical energy to produce light, and much of the energy from a light bulb is heat. Given these facts, what do light bulbs use among the following options: - magnets - fibers - water - coal - heat - metal - copper - glass
(A).
heat