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bio bingo

cinthia

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Across
4.an assumption or educated guess
8.basic unit of life
10.any set of organisms is the most recent individual from which all organisms in a group are directly descended.
13.a statement that you test with an experiment
14.a trait with a current functional role in the life history of an organism that is maintained and evolved by means of natural selection.
18.a one celled organsm
21.a backbone or spinal column
22.a branching diagram showing the cladistic relationship between a number of species
23.the broadest level of taxonomic classification
24.he largest group of organisms capable of interbreeding and producing fertile offspring.
Down
1.any contiguous living system
2.a distinguishing quality or characteristic
3.the process where environment determines which variations are successful in a population
5.gragually change over time through natural selection tat leads to new species from a common ancestral species
6.a level of classification that groups organisms based on similaraties
7.a statement that you test with an experiment
9.any organism having as its fundamental structural unit a cell type that contains specialized organelles in the cytoplasm
11.organisms that have one or more cells
12.hairlike structure that acts primarily as an organelle of locomotion in the cells of many living organisms
15.a dense organelle present in most eukaryotic cells
16.a two named naming system
17.a microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles.
19.the progressive changes in size, shape, and function during the life of an organism
20.the highest taxonomic rank of organisms in the three-domain system

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