Insects and People: Insect Classification

Almost 2/3 of all identified living species are ____

Arthropods

Phylum Arthropoda

segmented appendages, exoskeleton, molting, bilateral symmetry.

More than 1/2 of all identified living species are ___

insects

About ___ insect species identified so far, but there are believed to be millions more to go

1,000,000

About ______ individual insects for every 1 human

200,000,000

Kingdom Animalia - Phylum Arthropoda (jointed foot)

1. Exoskeleton, segmented body, jointed appendages
2. Bilateral symmetry

Crustacea (crabs, lobsters, etc)

1. Many with 2 body regions, 10 legs, 4 antennae, aquatic


1. Rolly pollys (isopods) are land crustaceans)

Chilopoda (centipedes)

Many body segments, 2 legs per segment, 2 antennae, fangs, dorso-ventrally flattened for sneaking up on prey

Diplopoda (millipedes)

Many body segments, 4 legs per segment, 2 antennae, round-shaped

Arachnida (spiders, scorpions, ticks, mites)

Many with 2 body regions, 8 legs, no antennae, pedipalps

Adult Insecta

* 3 body regions, 6 legs, 2 antennae
* 0, 2, or 4 wings

The binomial system of nomenclature

a system of naming species of living organisms using two Latin words, developed by Carolus Linnaeus in the 18th century.

How are organisms named in binomial nomenclature?

each organism is given a unique two-part scientific name consisting of the genus name (a group of closely related species) followed by the species name.

Which names are italicized in binomial nomenclature?

The genus and species names are italicized, and the genus name is capitalized, while the species name is in lowercase.

Carl von Linne (Linnaeus)

created the binomial system

What did Carl von Linne write?

Systema Naturae 10th ed (1758)

King Phillip cried “Oh for goodness sakes”

1. Kingdom
2. Phylum
3. Class
4. Order
5. Family
6. Genus
7. Species

Humans: Animalia > Chordata > Mammalia > Primate > Homindae > *Homo* > *sapien*

Homo sapien

All organisms are given a genus and species scientific name in ____

Latin

The binomial system of nomenclature is widely used in biology and other sciences to ensure that each species has a ____

unique and standardized name, making communication between researchers and across different languages easier.