Biology Basics
When designing an experiment, scientists will test a relationship between "cause" and "effect". The "cause" is known as...
The Independent Variable
Proteins
When an organism is well adapted to its environment, it is considered to be _____; it will survive and produce more ________.
Fit; offspring
Deer, squirrels, and plants that all live in your back yard are considered to be a ______.
Community
Ostriches have wings but no ability to fly. These wings provide evidence for divergent evolution and would be considered ________ structures.
Vestigial
In an experiment, the group being manipulated is called
The Experimental Group
What is the smallest unit of matter that still has the unique properties of its specific element?
Atom
What do we call the study of comparing anatomical structures?
Morphology
Nitrogen Fixation is primarily carried out by ________.
Decomposers / bacteria
Genetic diversity is mostly the result of
mutations
What is the proper format for constructing a hypothesis?
If IV then DV
An atom's identity is determined by its number of
Which type of evolution is the result of symbiotic relationships?
Coevolution
What will the pioneer species be in primary succession?
Lichen / Moss
_____________ is a term that refers to random change in allele frequencies (traits) in a population. _____________ is a term that refers to change in allele frequency due to migrations.
Genetic Drift ; Gene Flow
Independent Variable; Constants
Life can exist in water under frozen surfaces because water is .....
Less dense as a solid
Heritable
What type of population growth is the result of no limiting factors? What type of population growth takes place when the limiting factors establish a carrying capacity?
Exponential ; Logistic
If a resource can be recycled, it is considered to be
What is the baseline group in an experiment (aka, the "normal" group to compare the effects of the independent variable to?)
Controls
The nucleus of the atom contains nearly all of it's mass. The electron cloud contains an atom's ....
In morphology, _________ structures provide evidence for divergent evolution, and __________ structures provide evidence for convergent evolution.
Homologous ; Analogous
Combustion and cellular respiration lead to what element being added to the atmosphere?
Carbon
If we are comparing the DNA to two species, we can assume they're more closely related if there are _______ differences in their genetic codes.