An intrusive igneous rock is one that forms A. When volcanoes erupt
B. from silica-rich magma
C. when magma cools within Earth
D. from lava on Earth's surface

An organism's reproductive strategy includes all of the following except a. the number of offspring produced. b. the amount of energy expended in producing offspring. c. the length of time parental care is given d. the number of alleles an organism passes on.