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Review for Biology Semester 1 Final Exam
Review for Biology Semester 1 Final Exam
29
Science
9th Grade
10/28/2014

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Cards

Term
Which axis has the dependent variable?
Definition
y axis
Term
Which axis has the independent variable?
Definition
x axis
Term
What is the proper format of a hypothesis?
Definition
If (independent variable), then (dependent variable).
Term
It is important to know which variable caused an effect so scientists will...
Definition
only change one variable at a time.
Term
What did Charles Darwin notice about beaks of finches in the Galapagos Islands?
Definition
Different species of finches had beaks that were adapted for acquiring different types of food.
Term
What example of industrial melanism did we learn about in class?
Definition
The example was of a peppered moth population becoming more and more black when it lived among soot-covered trees.
Term
What is an adaptation?
Definition
This is a variation that can help an organism live and survive in an environment.
Term
What is a vestigial structure?
Definition
This is one that has no apparent use for an organism
Term
What is a characteristic?
Definition
This is also called a trait. This is something shown as being a part of an organism.
Term
What is competition?
Definition
When organisms try to get the same resources (such as food) from the same place.
Term
What is meant by homologous?
Definition
This means a structure is similar in parts and function between two different organisms.
Term
What is a mutation?
Definition
This is when 1 or more pieces of the DNA changes.
Term
What is variation?
Definition
This is a different and distinct version of something.
Term
What are the three categories of evidence we researched?
Definition
Anatomy, Paleontology, and Molecular Biology
Term
What is the smallest living component?
Definition
Cell
Term
What is meant by the term biotic?
Definition
Living (or once living)
Term
What is meant by the term abiotic?
Definition
Non-living (never was living)
Term
If an organism dies, is it biotic or abiotic?
Definition
it is biotic (because it was once living - abiotic means it is non-living as in it was never living)
Term
Put the levels of organization in order
Definition
atom-molecule-organell-cell-tissue-system-organism-population-community-ecosystem-biome-biosphere
Term
What is the difference between a food chain and a food web?
Definition
A food chain shows only one series of energy transfers as organisms eat but a food web shows ALL (or at least many) of the energy transfers as many organisms eat
Term
What is a producer?
Definition
These are organisms that go through the process of photosynthesis to make food from the energy of the sun
Term
What is an example of a producer?
Definition
plants such as grass, trees, flowers, or photosynthetic algae
Term
What is a consumer?
Definition
These are organisms that eat other organisms to get energy
Term
What is a primary consumer?
Definition
This is an organism that eats only plants or other photosynthetic organisms
Term
What is a secondary consumer?
Definition
This is an organism that eats animals that had eaten plants
Term
What is a predator?
Definition
This is an organism that hunts and eats another organism
Term
What is prey?
Definition
This is an organism that was hunted and eaten by another organism
Term
What type of graph will show exponential growth of a population
Definition
a graph that looks like a J-shape (one that curves up)
Term
What will a graph look like if it is showing a population whose growth has leveled off?
Definition
The graph will show a flattening of the line - the curved upward line will become horizontal
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