1. Complete: Heat and pressure melts rock and turns it into . When it cools it becomes rock. 2. Igneous rock can be broken down by and the pieces moved around by erosion. The mix of pieces become rock, such as limestone.

3. The weight and pressure creates heat causing the rock to turn into rock, such as marble.

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

Select the word from the list that best fits the definition a system made of 25 satellites