An organism that can use energy from the sun to directly produce food is called a(n) . An organism that must consume other organisms to obtain nourishment is called a(n) . During , the energy from the sun is used to make sugar molecules. During , the energy in sugar molecules is used to make molecules of ATP. is the high-energy molecule used to power cellular work.

What was dr. willem johan kolff’s first step in using the scientific process to invent the hemodialysis machine? he built the machine and tried it with various patients, collecting data about its effectiveness. when a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine. he researched and collected data about numerous patients who exhibited symptoms of kidney failure. he drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

What are examples of the plant life and animal life that can be found in each type of terrarium