Example of multicellular organisms. Please help me

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

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur