Prokaryotic cells ... never contain photosynthetic apparatus.
O may have a membrane bound nucleus but never organized membrane bound
organelles.
have organized organelles and a membrane bound nucleus.
lack both membrane bound organelles and membrane bound nuclei.

Ricardo notices that when he plays soccer in the rain, his ball does not seem to go as far after a kick. what is the best scientific question that ricardo could ask about this observation? is soccer better played in the rain or sun? how does rain affect the distance a soccer ball can travel? how does rain affect the speed of a soccer ball? is soccer affected by the rain?

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy

According to this food web which of the following would be considered primary consumers