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Living Things

Name: _________________
Class/Period: ______
Date: ___________
Across
Eukaryotic organisms that cannot be classified as fungus, plant or animal.
One of the three domains. It's members are single-celled prokaryotes.
The scientific study of how living things are classified.
Organisms that make their own food.
Within a domain, their are ______.
______ structures are structures that have the same evolutionary origin.
The process of change that occurs during an organisms life to produce a more complex organism.
Multi-cellular organisms are composed of _____ cells.
In 1859, Charles _______ published a theory about how species change over time.
The highest level in which organisms are classified
The maintenance of stable internal conditions.
________ evolution is the process by which unrelated organisms evolve characteristics that are similar.
A group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce.
Unicellular prokaryotes that can be found in extreme environments.
_______ selection is the process in which individuals that are better adapted to their environment are more likely to survive and reproduce.
A change in an organims's surroundings that causes an organism to react.
Members of this kingdom are all multi-cellular and heterotrophs.
Down
The combination of reactions that break down and build up materials to provide the cell with energy.
All members of this kingdom are autotrophs.
A branching ____ diagram illustrates probable evolutionary relationships among groups of organisms.
______ nomenclature is a system in which each organism has a unique two part scientific name.
Basic unit of structure and function of an organism.
The gradual change of a species.
Organisms whose cells lack a nucleus.
Organisms that cannot make their own food.
Mushrooms, molds and mildews are members of this kingdom.
Single celled organism like bacteria are ______ organisms.
An area in a cell that contains nucleic acid (genetic material).
An organism's reaction to a stimulus.
_____ reproduction involves one parent and produces offspring that are identical to the parent.
A domain that consists of organisms with cells that contain a nucleus.
_____ reproduction involves two parents and combines their genetic material.