What do we call scientists who study fossils?
A. comparative anatomists
B. paleontologists
C. comparative embryologists
D. biogeographers
B. paleontologists
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A family can share a genetic risk of developing cancer if:
A. the cancer is caused by somatic cell mutations. B. the cancer is caused by germ-line mutations. C. a germ-line mutation in one of the genes implicated in the cancer occurred in an ancestor. D. a somatic cell mutation in one of the genes implicated in the cancer occurred in an ancestor. E. All of the answer options are correct.
Muscle fibers contain _____ for making ATP
a. myosin b. indentations c. myofibrils d. sarcomeres e. many mitochondria
What is the Haber-Bosch process?
A) a farming technique B) process for creating fertilizers C) process for organic farming D) use of burning in agriculture
Scientific discoveries have provided evidence that the ________ systems are involved in behavior.
A. respiratory and digestive B. endocrine and nervous C. excretory and circulatory D. digestive and reproductive