Science Unit 1 Review

What is the purpose of a dichotomous key?

• to find a common ancestor

• to show the evolution of organisms

• to show relationships between organisms

• to identify organisms

A dichotomous key for trees is provided. Hikers found a tree that has large brown cones and single sharp needles. What species of tree have the hikers found?

• Juniper

• Pine

• Spruce

• Fir

What step do we always start with when using dichotomous keys?

• 1

• 2

• 3

• 4

When using a dichotomous key to identify organisms, what do we look at?

• physical features

• weather patterns

• environment

• diet

What is the name of the organism that has no wings, short legs, but a horned head?

• Beetle

• Termite Soldier

• Rhino beetle

• Horned Beetle

The 8 levels of classification, most broad to most specific.

• Domain, Genus, Family, Order, Class, Phylum, Kingdom, Species

• Domain, Species, Kingdom, Genus, Phylum, Family, Class, Order

• Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

• Order, Kingdom, Species, Domain, Phylum, Family, Class, Genus

Term given to describe the 2 name naming system is:

• dichotmous key

• binomial nomenclature

• 2 scientific names

• binomial key

The first part of a scientific name is an organism's _______________ and the second part is its ________________.

• species, genus

• phylum, order

• class, spices

• genus, species

A student discovers an arachnid without a segmented abdomen, and legs longer than its body. The student uses the dichotomous key below to identify it. Which arachnid has the student found?

• Whip Scorpion

• Wind Scorpion

• Daddy long legs

• Scorpion

Which of the following fish have a forked tail?

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