Which of the following statements best describes extrusive igneous rocks?
A. Cool on the surface and have a fine-grained texture (small mineral crystals).
B. Cool beneath the surface and have a course-grained texture (large mineral crystals).
C. Cool on the surface and have a course-grained texture (large mineral crystals).
D. Cool beneath the surface and have a fine-grained texture (small mineral crystals).
Answer: A
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The moderate temperatures of C climates are due to
A. intermediate location between tropical and polar climates. B. year round clear conditions associated with the monsoon. C. location near continental interiors increases temperatures. D. proximity to the equator allows for ample absorption of insolation.
Which of the following best describes most ecosystems?
A) They are sharply divided from other ecosystems. B) They consist of two or more distinct landscapes. C) They grade into other ecosystems in regions called ecotones. D) They are clustered with other ecosystems to form communities.
Which of the following is not an adaptation for deep diving in Cetaceans?
A) Blood flow is shifted from the brain to the extremities B) Collapsing the lungs to compensate for increasing water pressure during deep dives C) Having a lot of myoglobin in the muscles to store oxygen D) Having increased hemoglobin concentrations to store more oxygen E) Slowed heart rate
The landscape along interstate 70 was changed drastically over the last 175 years. What is now seen on the landscape that was not seen in the past?
A) sagebrush B) bunchgrasses C) dense woodlands D) herbs E) grasslands