The body temperature of some birds may vary as much as 13 degrees F within a 24.

hour period. true or false

Pollution stays in the area where it is produced. a. True b. False

Snakes have slimy skin true or false

Why do the blood vessels in the toucan's bill shrink?

Why is hypothermia used in an open heart surgery? A. to prevent organ rejection from the patient's immune system B. to artificially oxygenate blood by bypassing it through the lungs C.

Which of the following statements is true? Groundwater is not part of the water cycle. Most of earths water is freshwater. Refining oil pollutes in the air with nitrogen dioxide. Thermal pollution is the main disadvantage of hydroelectric power.

How can a catastrophic global event influence evolutionary change? Group of answer choices Undesirable versions of genes are removed. New genes are generated. Only some species may survive the event.

Collectively called the auditory ossicles. What do you call this membrane?

Where in the cells of the leaf do you find air spaces? what is the function of stoma?

Which of the following is most dense? asthenosphere, continental, crust, core, mantle, or oceanic crust

How does air pollution travel?