Download Answers to Completion Statements 36. bacteria 37

Answers to Completion Statements
36. bacteria
37. Linnaeus
38. taxonomy
39. genus
40. eukaryotic
41. Protista
42. prokaryotic
43. dichotomous key
44. producers
Answers to Short Answer questions- chapter 3 test
45. What are 3 questions scientists ask when classifying organisms into one of the 6 Kingdoms.
1. Does it have prokaryotic or eukaryotic cells?
2. Is it single-celled or multicellular?
3. Does it get energy making its own food or by getting food from other organisms?
46. Why are organisms classified?
Organisms are classified in order to arrange living things by similar characteristics so that scientists may
more easily study and understand the relationships between organisms.
47. One system of classification groups all living things into one of six kingdoms.
a. Name the 6 kingdoms used to classify living organisms.
b. Name 1 example organism for each kingdom.
Example answers are given for each kingdom.
Kingdom Plantae - grass, tree, algae
Kingdom Animalia - bird, fish, reptile, insect, mammal
Kingdom Protista - slime molds, euglenoids, amoeba
Kingdom Fungi - yeast, mushrooms
Kingdom Archaebacteria - primitive bacteria found in hot springs or deep sea vents
Kingdom Eubacteria - true bacteria; many infections and diseases are caused by bacteria
48. Explain why one dichotomous key could not be used to identify all organisms on Earth.
Each organism is identified by its genus and species. Since there are millions of organisms, the key would
have to be huge and difficult to use.
49. The dichotomous key begun below should allow users to classify the organisms pictured. Complete
the key using only the information shown in the illustrations.
Dichotomous Key
Answers given should use ONLY characteristics shown in the illustrations.
1a. Wings present
1b. Wings not present
2a. More than 4 legs
2b. 4 legs
3a. Head has horns
3b. Head has no horns
Fly
go to step 2
Spider
go to sep 3
Cow