What do these volcanoes indicate about plate tectonics in the region? The volcanoes form an island arc, indicating a converging plate boundary. The volcanoes form a line, indicating a diverging plate boundary. Two plates are moving past each other, causing faulting and magma formation. Two plates are moving apart, creating new seafloor.

The table below shows the number of foot bones in some horse fossils.horse fossil recordhorse fossil number of foot bonesp 19q 17r 24s 13ancient horses had more bones in their foot then present-day horses. the present-day horse has 11 foot bones. what is the correct order of evolution of the horse starting from the youngest fossil? a. q p r s b. s r p q c. s q p r d. r p q s

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele

20 how are energy cycles and growth cycles related?