Elements in the first group of the periodic table are a. alkali metals b. alkaline earth metals c. transition metals d. radioactive metals

Does both the nucleus and the cytoplasm divides in the same stage

Were you able to observe the nucleolus in any of the cells? If so, which ones?

Chromosomes can exchange genetic information during a process called "crossing over." This occurs when homologous chromosomes are lined up in pairs. When does this happen?

Which term names the geological structure that separates one watershed from another? divide tributary basin collection area

What do you call it when two traits show through at once?

What is a tough and rigid layer that surrounds plant cells as well as some algal bacterial cells

Which of the following statements about natural selection is TRUE? A. Natural selection results in those individuals within a population who are best-adapted surviving and producing more offspring. The traits that promote survival are heritable. B.

Explain how temperature and salinity affect the formation of deep currents.

What substance is added during hydrolysis in order to break down food macromolecules?

What would happen if grasses and shrubs were removed from an ecosystem? A. the primary consumers would increase B. the primary consumers would become secondary consumers C. the primary consumers would die out or move elsewhere D.