Which of the following cell types is responsible for breaking down bone matrix? a. chondroclast b. osteoclast c. chondroblast d. fibroblast e. osteocyte

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.

An uncomfortable feeling in the ears when descending in an airplane is caused by changes in air pressure on the: a. inner ear b. middle ear c. eardrum d. hammer/anvil