Which characteristic of four different dinosaur fossils makes a dinosaur most similar to the present-day birds? flexible wrist flapping ability flight feathers primitive feathers

When organisms are classified ,they are given a two part name

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

The terrestrial planets are characterized by having a a.) silicate core b.) iron-rich silicate core c.) iron-rich metallic core d.) none of these