How would an asthma attack most like affect oxygen delivery in the body

Babies with very low or very high weight are less likely to survive .

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

Describe how alleles and genes are related