Nature of Science
The hypothesis that states that there is no effect of the treatment
Null Hypothesis
Water molecules sticking to a leaf is called what?
Adhesion
Organisms taking in nutrients, breaking them down and using them to build their own macromolecules
Assimilation
An organism that can make its own food
Autotroph (or primary producer)
Change in the frequency of traits in a population over time
Evolution
The type of variable that is being manipulated or tested
Independent Variable
The attractive force between 2 or more water molecules
Hydrogen Bonding
What energy source powers the water cycle?
The sun
Organisms that eat both plants and animals
Omnivore
The number of offspring an organism has (reproductive success)
Evolutionary Fitness
The type of variable that is being measured in an experiment
Dependent Variable
An insect floating on the top of the water without breaking the surface is an example of which property of water?
Surface Tension
Dinitrogen gas (N2) being converted into nitrates (NO3-) and ammonium (NH4+)
Nitrogen Fixation
Fleas feed on the blood of their hosts. What type of symbiotic relationship is this an example of?
Parasitism
On an island where mostly large seeds are available as a food source, birds with larger beaks are more abundant. Which type of natural selection is this an example of?
Directional Selection
In a study to determine the effect of music on concentration, one group of participants took the assessment in complete silence. This group would be considered what?
Control Group
Which property of water helps to stabilize internal temperatures of living things?
Specific Heat Capacity
Surface runoff is a process where which two biogeochemical cycles interact?
Water & Nitrogen
Competition between members of different species
Interspecific Competition
Anatomical structures that no longer serve a function (loss of function)
Vestigial Structures
A description of an observable occurrence or phenomenon
Scientific Law
Which macromolecules contain nitrogen?
Proteins & Nucleic Acids
Photosynthesis is a process where which two biogeochemical cycles interact?
Water & Carbon
Exponential Growth
Anatomical structures that do NOT indicate evolutionary relatedness between species
Analogous Structures