Insects What are insects? October 30, 06 Insects are the most diverse and numerous of the...

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Insects What are insects? October 30, 06

Transcript of Insects What are insects? October 30, 06 Insects are the most diverse and numerous of the...

Page 1: Insects What are insects? October 30, 06 Insects are the most diverse and numerous of the arthropods. 1.1 million different species.

Insects

What are insects?

October 30, 06

Page 2: Insects What are insects? October 30, 06 Insects are the most diverse and numerous of the arthropods. 1.1 million different species.

Insects are the most diverse and numerous of the arthropods.

1.1 million different species.

Page 3: Insects What are insects? October 30, 06 Insects are the most diverse and numerous of the arthropods. 1.1 million different species.

Characteristics of insects

The body is divided in three segments:l

• Head which contains the eyes and the antennae.

Page 4: Insects What are insects? October 30, 06 Insects are the most diverse and numerous of the arthropods. 1.1 million different species.

Characteristics of insects

• Thorax where the six legs are attached, and two or four wings.

Page 5: Insects What are insects? October 30, 06 Insects are the most diverse and numerous of the arthropods. 1.1 million different species.

Characteristics of insects

Abdomen which contains the heart and stomach

Page 6: Insects What are insects? October 30, 06 Insects are the most diverse and numerous of the arthropods. 1.1 million different species.

Insect Life Cycle

Metamorphosis is the process by which all insects mature.

Page 7: Insects What are insects? October 30, 06 Insects are the most diverse and numerous of the arthropods. 1.1 million different species.

Different kinds of metamorphosis

Gradual metamorphosis: the simplest form of metamorphosis.

Page 8: Insects What are insects? October 30, 06 Insects are the most diverse and numerous of the arthropods. 1.1 million different species.

Complete metamorphosis which includes four stages:

•Egg

•Larva

•Pupa

•Adult

Page 9: Insects What are insects? October 30, 06 Insects are the most diverse and numerous of the arthropods. 1.1 million different species.

Habitat

Insects can be found in almost every habitat from lush rainforest to the harshest of deserts.

Page 10: Insects What are insects? October 30, 06 Insects are the most diverse and numerous of the arthropods. 1.1 million different species.

How do insects stay safe?• Camouflage

• Sharp spikes

Page 11: Insects What are insects? October 30, 06 Insects are the most diverse and numerous of the arthropods. 1.1 million different species.

How do insects stay safe?

Foul odor

Venom