Dichotomous Key

Which letter in the picture has two pairs of wings?

• M

• K

• F

• L

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

Using this dichotomous key, identity the name of the circled fish.

• band-tail puffer

• spotted goat fish

• peacock flounder

• trumpet fish

• A

• B

• C

• D

Tags

NGSS.MS-LS4-2

A table of arachnid and insect characteristics is shown. Which characteristic could be used to distinguish between
arachnids and insects?

• Jointed legs

• Body segments

• Presence of eyes

• Presence of antennae

Tags

NGSS.MS-LS4-2

Identify the fish

• Sebastes serriceps

• Sebastes nebulosus

• Naucrates ductor

• Seriola lalandi

Tags

NGSS.MS-LS4-2

Simple or Compound Leaf?

• Simple

• Compound

Using this dichotomous key, identify the name of the circled Fish, J.

• peacock flounder

• band-tail puffer

• trumpet fish

• spotted goat fish

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 is the name of bird W?

• Certhidea

• Geospiza

• Camarhynchus

• Platyspiza