Chapter 1: Characteristics and classification of living organisms Flashcards
7 characteristics that define a living thing
note: living things must have all of these, non-living things may have a few
Movement
Respiration
Sensitivity
Growth
Reproduction
Excretion
Nutrition
How to find growth in living organisms?
Find the dry mass
What are the 5 kingdoms?
plants, animals, fungi, protoctist, prokaryote
Animal kingdom broken down into:
Vertebrates and invertebrates
5 groups under vertebrates:
Amphibians, Birds, Fish, Mammals, Reptiles
Features of Amphibians
Moist skin
Eggs laid in water
Features of Birds
Feathers
Hard shell eggs
Features of Fish
Wet scales
Fins for movement
Breathe using gills
Features of Mammals
hair/fur
give birth to offspring
young fed milk from mother
Features of Reptile
Scales
Hard-shelled eggs
Cold-blooded
4 groups under invertebrates
Arthropods, Mollusc, Echinoderms, Cindarians
Features of Arthropods
jointed legs
sectioned bodies
hard exoskeleton
Features of: Mollusc, Echinoderm, Cnidarians
Mollusc
fleshy pad for movement
Echinoderm
5 part bodies, spiny outer covering
Cnidarians
Flatworms, Annelids
4 sub-groups of arthropods
Crustacean, Insect, Arachnids, Centipede/Millipedes.
Features of Crustacean and insect
Crustacean
5-7 pairs of legs
Chalky shell
Insect
3 pairs of legs
3 section body
Features of Arachnids and Millipedes/Centipedes
Arachnids
4 pairs of legs
2 section body
Millipede/Centipede
Many pairs of legs
Many body sections
Features of Myriapods
Many segments on body
Each segment=1 paur o fjointed legs
1 pair of antennae
Species
Group of organisms that can produce fertile offspring (fertile = able to reproduce)
Structure and format of binomial naming system
2 words First word = genus Second word = species All italised Capitalise first letter of genus
