This is the layer of the earth that includes all life forms.
What is the biosphere?
What is stay in motion at a constant speed and direction?
This is the term for when a plant transforms light, water, and carbon dioxide into glucose, oxygen, and energy.
What is photosynthesis?
This human system provides support and protection for the body.
What is the skeletal system?
Tom's dog's two names are Dennis and this.
What is Dublin?
This relationship occurs when one organism lives on, near, or in another, and at least one of them benefits from this situation.
What is symbiosis?
When an object experiences a push or a pull, we call it this.
What is a force?
The sun's energy transforms this simple element into Helium through the process of nuclear fusion.
What is Hydrogen?
This system includes the liver, the gall bladder, and the esophagus, among others.
What is the digestive system?
The three rules of camping include 1) Always look your best, 2) Never whine, and 3) THIS.
What is "Always, always double bag!"
This happens to the available energy as it flows up the food chain from producers to the final top predator.
What is decreases?
Again, according to our old friend Isaac Newton, every action has an equal and opposite one of these.
What is a reaction?
Daily Double: In the human body, we get energy from inhaling this gas, and then exhale this gas as waste.
What are oxygen and carbon dioxide?
Ha-ha-ha! This bone is found in the upper arm.
What is the humerus?
This type of arctic pinniped can weigh up to 4,400 lbs and eats bivalve molluscs on the ocean floor. It has been hunted for meat and blubber as well as for the ivory from its prominent tusks.
What is a walrus?
This is what you get when you combine overlapping food chains.
What is a food web?
An object that can change the magnitude, distance, and direction of a force applied is called this.
What is a simple machine?
Iron, Lead, Tin, Calcium and Aluminum are all considered to be this type of element.
What are metals?
The malleus, incus and stapes are all bones found in this organ.
What is the ear?
This type of cooking method involves tossing ingredients such as chopped vegetables or small pieces of meat with a small amount of fat on a high heat to quickly cook and often brown them. The name for this method means "jump" in French.
What is sautee?
In an ecosystem, Nitrogen, Phosphorous, Oxygen and Carbon are all examples of this.
What are nutrients?
In this theory, Albert Einstein proposed that gravity itself is not a force but is in fact an actual warping of spacetime.
What is General Relativity?
These two elements are combined to form water.
What are hydrogen and oxygen?
These blood vessels are so small that only one blood cell at a time can fit through.
What are the capillaries?
Shame on you for not knowing this.