Why might some kinds of living things undergo sexual reproduction at times when conditions in their environment become less favorable?

Which osmotic and ionic strategies must marine teleost fishes employ?

What are two ways in which waves erode the land?

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