Explain how smoking affects the amount of oxygen taken up by the blood

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

Donde se encuentra el adn nuclear en un organismo eucariota?

How energy move through ecosystem ?