Organisms
The term for a living thing made of only one cell.
What is unicellular?
A living thing (as a bacterium, fungus, or insect) that feeds on and breaks down plant and animal matter.
What is a decomposer?
The speed of an object plus its direction.
What is velocity?
An invisible force that pulls objects toward each other.
What is gravity?
The mass of a substance per unit volume.
What is density?
This organelle in a plant cell absorbs light to make sugar in a process called photosynthesis.
What is chloroplast?
What is a food web?
The measurement of change in an object's velocity.
What is acceleration?
A huge collection of gas, dust, and billions of stars and their solar systems held together by gravity.
What is a galaxy?
Your ______ is the same no matter where you go in the universe; your _______, on the other hand, changes from place to place.
What are mass and weight?
Microscopic organisms that cause diseases which enter the human body through the nose, the mouth, and cuts in the skin.
What is bacteria?
This animal is at the top of a food chain that is not preyed upon by any other animal.
What is an apex predator?
When a rubber band is stretched apart, it has this type of energy.
What is potential energy?
These are the 4th and 5th planets from the sun.
What are Mars & Jupiter?
What are fossil fuels?
Something that causes a reaction.
The non-living parts of an ecosystem that shape the environment.
What are abiotic factors?
The standard unit of measure for energy and work.
What is a joule?
Cosmic snowballs of frozen gases, rock and dust that orbit the Sun.
What are comets?
A chemical reaction that takes in energy from the surroundings.
What is an endothermic reaction?
This takes place in the cells of animals, plants, and fungi, whereby oxygen is used to break down food molecules in order to get chemical energy for cell functions.
What is cellular respiration?
A close relationship between two species in which at least one species benefits.
What is a symbiotic relationship? (symbiosis)
The law that states energy can neither be created nor destroyed - only converted from one form of energy to another.
What is the Law of Conservation of Energy?
An orbital motion around another object.
What is revolution?
The process whereby organisms better adapted to their environment tend to survive and produce more offspring.
What is natural selection?