3.
Which is true of benign tumors?
They form new tumors in the body.
They travel in the blood stream.
They spread to other body parts.
They stay in one part of the body.

Which organism is the producer in this food web? 7th grade question. a) arthropods b) birds c) fungi d) plants

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 negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions