15. An ear hematoma associated with otitis externa is most often found A. in the middle ear. B. on the eardrum. C. in the external auditory canal. D. on the underside of the pinna.

Which cells are responsible for attacking, adhering, engulfing, and digesting foreign bodies? Platelets Phagocytes Erythrocytes

Determine the density of the rock using correct significant digits. The mass of the rock is 25.69 g

A P E X ? What is an index fossil? A. A fossil this is found all over the world B. A fossil this is from an animal that did not evolve C. A fossil that is more than 60,000 years old D. A fossil found in rocks from one time period

A young boy, who is normally gentle and kind, is showing signs of aggression and anger after falling off the monkey bars on the playground and hitting his head hard on the ground. After examination, the doctor determines he has damaged part of his:

All of the following are found in both plant and animal cells except ... a. a cell wall b. a cell membrane c. mitochondria d. Endoplasmic reticulum

What structure on the continental crust is most similar to an ocean ridge? -Plains -Mountain range -Canyon -Plateau

Which of the following affects the speed of light waves in a material? Angle at which the ray strikes the medium Color of the material Density of the material Temperature of the light wave

Describe the relationship between organic compounds, nucleotides, RNA, and a universal genetic code.

What is the best description of the chromosomes by the end of prophase of mitosis? The chromosomes are pulled to opposite sides of the cell. The chromosomes have coiled and become more compact. The chromosomes have separated at the centromere.

Members of the phyla Cnidaria and Bryozoa both have a circle of tentacles, which they use for feeding. Besides the difference in size, how else do these feeding structures differ?