Describe at least two major changes to the animal phylogenetic tree that have come about due to molecular or genetic findings.

What does resonance result in? quieter sounds frequency amplitude louder sounds

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

What is the difference between how ionic and covalent bonds form