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