ecoclogy earths history cell processes Scientific Process Scientific Process
100
What is the definition of species
A group of organisms that can produce fertile offspring.
100
What is the age of the earth
4.6 billon years old
100
What is Chromosomes
Condensed DNA molecules.
100
What is the Physical Property
A characteristic of matter that can be observed or measured.
100
Constants
Conditions that stay the same in the experiment.
200
What is the definition of primary consumers
Animals that feed on producers.
200
they do not change or decay over time.
Stable Isotopes
200
What is The phase of mitosis in which the chromosomes become visible and the nuclear membrane disappears.
The phase of mitosis in which the chromosomes become visible and the nuclear membrane disappears.
200
An observation that deals with characteristics that cannot be expressed in numbers.
Qualitative Observations
200
What is Always in form of a question; the question we are trying to answer by doing the experiment.
A Problem
300
what consumers eat only plants
Herbivores
300
What is The Law of Cross Cutting
Any feature that cuts across a rock or body of sediment must be younger than the rock or sediment that it cuts across.
300
Prokaryotic Cells
Cells characterized by being small, simple, no nucleus, no membrane-bound organelles, single loop of DNA (nucleosome), no cellulose, cytoplasm, cell membrane, cell wall (made of carbs), sometimes have cilia or flagella (movement). Usually found in bacteria.
300
What is the Metric System
Metric System
300
what is a Triple Beam Balance
Triple Beam Balance
400
what is a species that is near extinction called
Endangered Species
400
What is The Principle of a Uniformitarianism State
The geological processes of the past can be explained by geological processes of the present.
400
Occurs when a body part disconnects from an original plant, & the part grows as a whole new plant. Ex. Strawberry, Potatoes.
Geologic Column
400
What is the experimental factor that is manipulated; the variable whose effect is being studied.
Independent Variable
400
What is a Hypothesis
A testable prediction, often implied by a theory.
500
what are nonliving components of the environment.
Abiotic Factors
500
What is the Geologic Column
An arrangement of rock layers in which the oldest rocks are at the bottom.
500
What is Sexual Reproduction
A reproductive process that involves two parents that combine their genetic material to produce a new organism, which differs from both parents.
500
Dependent Variable
The outcome factor; the variable that may change in response to manipulations of the independent variable.
500
What is a Scientific Investigation
The process by which a scientist asks a question about the natural world, collects and analyzes data to help answer that question, and communicates the results to the scientific community.






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