Levels of Classification
What is the HIGHEST level of classification?
Domain
A living thing, like a maple tree or a mosquito, is called a(n)
Organism
Who is the father of Taxonomy?
Carl Linneaus
The domain in which all organisms contain a nucleus
Eukaryotes
Describe one way classification helps scientists communicate about organisms, even if those scientists speak different languages.
Answers will vary
Which classification level comes after Kingdom?
Phylum
The domain made up of organisms whose cells contain a nucleus is
Eukarya
Dichotomous Key Image: Leaf 2
Answer: Liquidambar
Two organisms share the same genus but are different species. What does this tell you about how closely related they are?
Answers vary
Why might two organisms with very similar scientific names NOT be the same species?
answers will vary
species
Organisms that survive in extreme places, like hot springs, belong to the domain.
Archea
Which of these organisms would seem to be most closely related? 1. Canis familiaris 2. Mephitis mephitis 3. Canis lupus 4. Panthera pardus
1 and 3
Explain one major difference between plants and animals, focusing on how they obtain energy.
Plants are autotrophs and animals are heterotrophs
What part of each organism's name is capitalized? (what level)
Genus
The two-part naming system scientists use for every living thing is called
Binomial Nomenclature
Greek and Latin
Why must each step in a dichotomous key offer two clear and opposite choices?
So that users can correctly identify traits to identify organisms
What are the levels of classification in order?
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species.
The study of naming and classifying living things.
Taxonomy
What is a dichotomous key? How many steps are in one?
A tool to help identify organisms based on characteristics. There is one fewer step than organisms.
Define the term organism and give one example
answers vary
This domain is found almost everywhere!
What is bacteria?