Arthropod Diversity 1

Front

What is a crustacean?

Back

A crustacean is a type of arthropod that typically has a hard exoskeleton, two pairs of antennae, and includes animals such as lobsters, crabs, and shrimp.

Front

Which animal is an example of a crustacean?

Back

Lobster.

Front

How many pairs of wings do insects typically have?

Back

Insects typically have two pairs of wings.

Front

What are arachnids?

Back

Arachnids are a class of joint-legged invertebrates that include spiders, scorpions, ticks, and mites.

Front

What are the 'leaflike' plates at the posterior end of horseshoe crabs used for?

Back

They are used for digging and swimming.

Front

What is a nauplius?

Back

A nauplius is a free-swimming larval stage of crustaceans that is very different in appearance from the adult.

Front

What is the main difference between crustaceans and arachnids?

Back

Crustaceans typically have gills and are aquatic, while arachnids are primarily terrestrial and have book lungs.

Front

What is the primary habitat of most crustaceans?

Back

Most crustaceans are found in marine environments, although some live in freshwater and terrestrial habitats.

Front

What is the role of antennae in crustaceans?

Back

Antennae are used for sensing the environment, detecting chemicals, and feeling their surroundings.

Front

What is the significance of the exoskeleton in arthropods?

Back

The exoskeleton provides protection, support, and prevents water loss.