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The Year in Review

Across
An environmental factor that is living
The method of measuring the age of the earth
The passing of genetic material from parent to offspring
The process by which wind, water, ice transports soil to another place
The variable that is deliberately manipulated
An organized procedure to study something under controlled conditions
Gamma waves and radio waves are examples
To follow the procedure of anothers experiment
A group of organisms closely related
A disturbance that transfers energy
Stress that occurs when forces act to stretch an object
Directly above the focus
Boundary between tectonic plates that are colliding
The thin outermost layer of the earth
Down
Rock formed from cooled magma or lava
A block of lithosphere that consists of the crust and the rigid , outermost part of the mantle
A relationship in which two or more organisms depend on the same limited resource
The sinking regions of the earth's crust
A process in cell division which results in the production of sex cells
A community or organisms and their abiotic factors
The explanation that is supported by a large quantity of evidence
An organism that gets its energy by breaking down the remains of dead organisms
The process of obtaining information by using your senses
The bouncing back of a ray of light, sound or heat
The process in which inherited characteristics within a population change over generations
A characteristic that improves an individuals ability to survive and reproduce
The entire genetic makeup of an organism
The trace remains of a once living organism
Magma that flows onto Earth's surface
A physical environment through which waves can travel