Which natural resource necessary in many space flight technologies is widely available on Earth because the Sun-Earth system is so young? A. hydrogen B. wind energy C. helium D. aluminum

Match the types of competition to their descriptions

Body systems are not completely independent they integrate and work together describe one example of the integration between body systems

Which best describes this behavior? it is beneficial only to the males that do not fertilize eggs. it is beneficial only to the female workers that are not fertilized. it is beneficial to each one of the individual colony members. it is beneficial to the whole species, but not to all of the individual members.