Scientific knowledge has, in some cases, led to a. decreased life expectancy b. a decrease in the gap between developed and developing countries c. a better quality of life d. all of the above

List two modern organisms that have pentameral symmetry

Match each description to the appropriate biome. tropical savanna desert tropical rain forest taiga tundra has sparse vegetation and very cold temperatures located near the equator and contains trees that form dense canopy layers is very hot and dry, and has plants that need little water has cold winters, heavy snowfall and is dominated by conifers has warm temperatures and is dominated by grasses

Cells are adapted to preform specific functions. which of the following terms refers to this capability?