Which is the main reason cells are replaced in the body? The cells are too large. The cells are inactive. The cells are damaged. The cells are cancerous.

In biology what does dandelion, a goat and Shiitake mushroom have in common

If a paramecium caudatum swims from a hypotonic to isotonic environment, will it's contractile vacuole become more active or less? Why?

Smoking may lead to weight gain because it increases the body's capacity for physical activity true or false

4. After England, industrialization spread to which region of the world? A. Western Europe O B. South America O C. East Asia D. West Africa

Which legs for a frog are used for jumping?

A hiker climbs a hill. How does the potential energy of the hiker change as she climbs higher?

Match the following events with the appropriate stage / process of cell division: Centrosome movement Homologous chromosomes separate DNA exchange Chromatids separate A. Prophase I B. Anaphase I C. Crossing over D. Anaphase II E. Prophase II F.

What are the 3 smaller parts of an atom? what are their charges?

List five invertebrate groups in the animal family tree

Where does the energy that drives the water cycle come from