Dichotomous key

Front

What is a dichotomous key?

Back

A dichotomous key is a tool that allows the identification of organisms through a series of choices that lead the user to the correct name of a given item.

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How does a dichotomous key work?

Back

A dichotomous key works by presenting two contrasting statements or questions at each step, guiding the user to the next step based on their observations.

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What is the main difference between arachnids and insects?

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Arachnids have 8 legs and no antennae, while insects have 6 legs and usually possess antennae.

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What are the main characteristics of arachnids?

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Arachnids typically have 8 legs, a body divided into two segments (cephalothorax and abdomen), and lack antennae.

Tags

NGSS.MS-LS4-2

Front

What are the main characteristics of insects?

Back

Insects typically have 6 legs, a body divided into three segments (head, thorax, abdomen), and usually have antennae.

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What is an example of an arachnid?

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Examples of arachnids include spiders, scorpions, and daddy long legs.

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What is an example of an insect?

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Examples of insects include beetles, butterflies, and ants.

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What does the term 'scaly wings' refer to in insects?

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'Scaly wings' refer to the wings of insects in the order Lepidoptera, which includes butterflies and moths.

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What is the significance of using a dichotomous key in biology?

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Using a dichotomous key helps in accurately identifying species, which is essential for studying biodiversity and ecology.

Front

What is the order of insects with two pairs of scaly wings?

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The order of insects with two pairs of scaly wings is Lepidoptera.