What do a sunflower and lion living 50 years ago have in comman
a. they contain the same amount of energy
b. they both got their energy directly from the sun
c. they both got their energy from plants
d. they may have shared some of the same matter

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules

Which of the following typically characterizes a tropical rainforests

How do all types of diffusion/passive transport actually ‘work’ without using even the smallest amount of cellular energy?