An educated guess scientists test during an experiment?
What is a hypothesis?
The source of all energy on earth.
What is the sun?
The closest star to our planet.
What is the sun?
Smallest unit of life
What is a cell?
multiple numbers of the same type of species.
What is a population?
What a scientist might see, hear, smell....ect. during an experiment.
What is an observation?
The combined processes of evaporation, condensation, and precipitation.
What is the water cycle?
The age of the earth.
What is 4.5 Billion years?
Process by which cells divide to produce more cells for growth and repair (regular body cells).
What is mitosis?
The process in which a species is naturally adapted to become better suited for their environment.
What is natural selection?
Variable that is being changed by the scientist during an experiment.
What is an Independent Variable
The smallest part of the biological pyramid.
What is an atom?
How scientists found the age of the earth.
What is measuring sedimentary layers?
Type of reproduction using two gametes, one set from each parent
What is Sexual reproduction?
The organized form of multiple genes in a nucleus.
What is a chromosome?
The six steps of the Scientific Method.
Observation, Question, Hypothesis, Methods (experiment), Results, and Conclusion
The force keeping humans on earth.
What is gravity?
Breaks down matter and returns it back to the soil for producer use.
What are decomposers?
Sexual reproduction mixes genetic information causing an increase in this.
What is variation of traits?
The visual representation of the flow of energy between organisms.
What is a food web?
The variable that changes based on the independent variable.
What is the dependent variable?
Form of energy being lost during cellular and chemical processes.
What is heat?
What might be the result of increased carbon in the atmosphere due to burning of fossil fuels?
What is climate change?
Percent in which two heterozygous parents produce an offspring that is homozygous recessive.
What is 25%?
Carbohydrates, Lipids, Proteins, and Nucleic Acids.
What are the four biomolecules?