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Flashcards in Classification Deck (12):
1

What is binomial nomenclature

Naming system

Genus species in italics

2

How is a "species" defined

A group of organisms which can interbreed and produce fertile offspring

3

LIST THE THINGOS IN ORDER

Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species

4

5 kingdoms

Animalia
Plantae
Fungi
Protista
Monera

5

Phylums in Animalia

Vertebrates/Chordata
Invertebrates/Arthropoda
Annelids
Nematode
Molluscs

6

Classes and features in vertebrates

Mammal - four pendactyl limbs, hair/fur on skin, gives birth to live babies, pinna on ear, lungs for breathing, mammary glands for milk
Fish - lateral line in body to detect vibrations, fins, scale on body, jelly-covered egg, gills for breathing
Amphibian - lungs as adults and gills as young, webbed feet, 4 pendactyl limbs, moist skin, jelly-covered eggs, larval live in water
Reptile - 4 pendactyl limbs except snakes , rough scaly skin, lungs for breathing, cold blooded, eggs with rubbery waterproof shell laid on land
Bird - 4 pendactyl limbs but 2 as wings, feathers, beak, hard shell eggs, scales on feet, lungs with parabronchial tubes

7

Classes and their features in Arthropods

Insects - segmented body, head, thorax, abdomen, 3 pair of legs, some of 2 pairs of wing
Arachnids - 4 pairs of legs, cephalothorax and abdomen, no antennae, some have hair and pincers to sense
Myriapods - many segments, many legs, 1 pair of antennae
Crustaceans - cephalothorax and abdomen, 5 pairs of legs, 2 pairs of antennae, some have hard shell

8

What are the three main features all arthropods have?

Waterproof exoskeleton
Jointed legs
Segmented bodies

9

Features in annelids

Clitellum, chaetae (stiff hair-like thingys to move), cannot always tell from head to tail, segmented body, no antennae

10

Nematode features

White worms
No obvious head or tail
No antennae
No legs or chaetae

11

Land Molluscs features

Land mollusc snails and slugs
Outer protective shell for snails and inner for slugs
rough tongue for feeding
Soft bodies

12

Water mollusc features

Oysters and mussels
2 outer protective shell
Gills for feeding


Squid and octopus
Crush and eat prey with 8 tangled legs
Protective shell inside body
Mouth to digest food