...exchange. For example, insects have tracheal systems,...
...(centipedes, millipedes, and insects). Crustaceans (crabs, lobsters,...
...groups of arthropods (insects, millipedes, centipedes, some...
...of water. Chelicerates, insects, millipedes, and centipedes...
...closer relationship of insects to crustaceans than...
...to catch flying insects in webs of...
...In species diversity, insects (class Insecta) outnumber...
...water, and flying insects fill the air....
...The study of insects, entomology is a...
...adaptive radiation of insects. In one widely...
...greatest diversification of insects in the Cretaceous...
...research suggests that insects diversified first and,...
...great success of insects. Flying animals can...
...the ground. Many insects have one or...
...gills in aquatic insects. Still another hypothesis...
...among the first insects to fly, have...
...adults. Reproduction in insects is usually sexual,...
...the next generation. Insects affect the lives...
...other terrestrial organisms. Insects are important natural...
...the other hand, insects are carriers for...
...African sleeping sickness. Insects compete with humans...
...minimize losses to insects. While arachnids and...
...While arachnids and insects thrive on land,...

...most of them insects. Two of every...
...exchange. For example, insects have tracheal systems,...
...and millipedes), hexapods (insects and their wingless,...
...ability to catch insects in webs of...
...aid in defense. Insects and their relatives...
...of life combined. Insects live in almost...
...water, and flying insects fill the air....
...fill the air. Insects are rare, but...
...adaptive radiations of insects. A major increase...
...great success of insects. Flying animals can...
...the ground. Many insects have one or...
...not true appendages, insects can fly without...
...gills in aquatic insects. Wings functioned for...
...only once in insects. Dragonflies, among the...
...among the first insects to fly, have...
...or burrowing. Many insects undergo metamorphosis during...
...reproduction. Reproduction in insects is usually sexual,...
...of eggs. Many insects mate only once...
...the next generation. Insects affect the lives...
...On one hand, insects are important natural...
...the other hand, insects are carriers for...
...African sleeping sickness. Insects compete with humans...
...minimize losses to insects. In parts of...
...parts of Africa, insects claim about 75%...
...Although arachnids and insects thrive on land,...