Organisms that live in environments that have low oxygen concentrations often use ____________   ______________ to provide the energy they need for their life processes.

_________ _________is a metabolic process by which cells break chemical bonds of nutrients, such as glucose, to obtain ATP - a useable form of energy.

The _________ ________ in the batteries of the remote control makes it possible to switch channels of the TV. The food we eat is stored in the body as ________ _______. This stored energy helps us grow and perform activities.

How do plants produce their own food? Photosynthesis enables the plants to make their own food. ___________gives a plant’s leaves the green color. It also absorbs the sunlight used to photosynthesize.

Food is usually prepared in the kitchen. In a plant cell there is a specific place where food is prepared. This part is called the ___________. It contains chlorophyll. Animal cells do not have __________.

Organisms that cannot make their own food and depend on plants or other animals for nourishment are called ___________.

________________ break down and absorb nutrients from decaying organisms and waste matter. They play an important role in an ecosystem by clearing up waste and recycling nutrients.

______________ is a process where yeast breaks down the carbohydrate, sugar, to form alcohol and carbon dioxide.

__________ is a simple carbohydrate produced by plants during photosynthesis. Animals breakdown ___________ to produce reusable energy in the form of ATP.

_____________ is the process of breakdown of glucose, in a series of steps, to form two molecules of pyruvate, two molecules of NADH, and two molecules of ATP.

The bowling ball rolls down an almost frictionless alley. It loses some of its ________ ________ when it strikes the pins.

____________ are the sites of aerobic respiration in a cell and the producers of chemical energy.  The powerhouse of the cell.

Trees and other plants make food by _______________. Green plants use their leaves to collect the sunlight and carbon dioxide from the air. They combined this with water taken in by the plant’s roots. The result is sugar. This sugar gives the plant the energy it needs to grow. During ____________ plants release oxygen into the air for us to breathe.

Stretch a rubber band. Notice how it’s ready to spring back. You’ve added ________ _________ to it. _________ _________ is energy that is stored and ready to go. This energy might do something. But it isn’t doing anything yet. Once you let go, you release that _________ _________. If you lift a soccer ball to the top of a playground slide, it has __________ _________to roll down the slide.

_________ use sunlight and carbon dioxide to make food for themselves. Herbivorous consumers depend on ____________ for food.

How can we communicate with astronauts on the space station? Radio waves are electromagnetic waves that exist and are transmitted without matter. They are one form of __________ ________. We can send them back and forth to the space station. Other forms of _________ ________ are found in light and x-rays. A hot stove radiates heat energy that you can feel.

_________ is a polysaccharide made up of amylose and amylopectin. These molecules are long chains of glucose units bonded by alpha acetal links in a straight chain or a branched chain pattern.

__________  __________is a cellular process that uses oxygen to release energy. Food molecules such as glucose break to form ATP (energy) from ADP and produce carbon dioxide and water.