The beak of this finch may be described as a grasping bill. Which of the
following is the most likely function of this kind of beak?
sharp-beaked
ground finch
O
A. To warn away potential predators
O
B. To communicate with other finches
O
C. To help keep the finch warm
O
D. To pick up insects to eat
SUBMIT

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna

Which type of respiration takes place when there is no oxygen present? a. anaerobic b. mitochondrial c. cellular d. aerobica. anaerobic