Invertebrates 5

Question 1

Description

Answer 1

Arthropods, the most diverse animal group, possess jointed appendages, an exoskeleton made of chitin, and segmented bodies.

Question 2

Key Features

Answer 2

Efficient gas exchange occurs via gills, tracheae, or lungs. Complex sensory and nervous systems, including well-developed brains, facilitate diverse behaviors.

Question 3

Types

Answer 3

Arthropods include insects, arachnids, myriapods, and crustaceans, each adapted to different habitats and lifestyles.

Question 4

Importance

Answer 4

Arthropods are crucial in ecosystems as pollinators, decomposers, predators, and prey. They also impact human health, agriculture, and economies.