Amoeba Sisters Dichotomous Keys

According to key above, which animal has wings covered by an exoskeleton and a round body?

• Ladybug

• Grasshopper

• Dragonfly

• Housefly

A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger. The student uses the dichotomous key below to identify it. Which arachnid has the student found?

• Whip Scorpion

• Wind Scorpion

• Daddy long legs

• Scorpion

What is monster # 1 ?

• Alienus quadlegicus

• Alienus haircus

• Alienus Tritoothicus

• Alienus Blobicus

Tags

NGSS.MS-LS4-2

What is monster # 4 ?

• Alienus Fuzzicus

• Alienus Stripicus

• Alienus Quadlegicus

• Alienus Blobicus

What is monster # 2 ?

• Alienus Fuzzicus

• Alienus Stripicus

• Alienus Tritoothicus

• Alienus Blobicus

What is monster # 6 ?

• Alienus Stripicus

• Alienus Tritoothicus

• Alienus Hairicus

• Alienus Quadlegicus

Tags

NGSS.MS-LS4-2

What is the name of bird Z?

• Certhidea

• Geospiza

• Camarhynchus

• Platyspiza

Tags

NGSS.MS-LS4-2

What is the primary purpose of a dichotomous key in biology?

• To classify organisms based on their evolutionary history

• To identify organisms by answering a series of questions

• To determine the genetic makeup of an organism

• To study the behavior of organisms in their natural habitat

Which of the following is a characteristic of a dichotomous key?

• It uses a series of paired statements to identify organisms

• It provides a detailed genetic analysis of organisms

• It is used to study the ecological impact of organisms

• It is a tool for measuring the growth rate of organisms

In a dichotomous key, what does each step typically involve?

• A choice between two contrasting statements

• A mathematical calculation

• A chemical reaction

• A physical measurement