Dichotomous

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

A botanist discovers a new plant in the jungle. Which of the
following observations of the plant’s characteristics would be useful in determining its identity with a dichotomous key?

• It was discovered in the summertime

• It is wet from a recent rain storm.

• Its leaves curl up on the edges.

• It is eaten by native jungle ants.

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

Tags

NGSS.MS-LS4-2

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

• peacock flounder

• band-tail puffer

• trumpet fish

• spotted goat fish

Tags

NGSS.MS-LS4-2

What is a dichotomous key used for in science?

• To organize biomes

• Classify organisms

• Identify bacteria only

• None of these

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 monster ?

• Alienus quadlegicus

• Alienus haircus

• Alienus Tritoothicus

• Alienus Blobicus

What is monster # 3 ?

• Alienus Fuzzicus

• Alienus Stripicus

• Alienus Tritoothicus

• Alienus Blobicus

Tags

NGSS.MS-LS4-2

What is monster # 4 ?

• Alienus Fuzzicus

• Alienus Stripicus

• Alienus Quadlegicus

• Alienus Blobicus