The fossilized evidence of certain plants suggested that roots evolved from a part of the plant. wich part?

Only 40 percent of the body is water. a. True b. False

How could evolutionary changes in planes of cellular division produce different body forms?

the approximate energy yield of carbohydrates is 4 calories/gram; fats yield about 9 calories/gram, and proteins about 4 calories/gram.

The nursing instructor is teaching the student about occurrence reports. Which statement by the student indicates an understanding of the purpose of occurrence reports? a."Occurrence reports track problems and identify areas for quality improvement.

When your eye is submerged in water, does the speed of light increase, decrease, or remain constant as it passes from the water into your cornea?

In human body temperature is kept fairly constant by automatic responses controlled by

Which blood component makes up 41% of the blood's volume?

Which is the process used by the cell to rid itself of unwanted, large substances?

Which characteristics accurately describe earthworms? Check all that apply. segmented body containing setae open circulatory system gas exchange through gills complex nervous system sexual reproduction

One hypothesis for why obesity rates are high is the energy-thrifty gene hypothesis. According to this hypothesis, how did the environment our ancestors lived in differ from our present-day environmental in term s of food?