Diversity Of Living Organisms Flashcards
7 Characteristics of a living organisms
Nutrition
Respiration
Reproduction
Sensitivity
Movement
Excretion
Growth
Virus characteristics
Able to reproduce only within the cells of a host
Contain genetic material
Have no structure
None cellular
Features of molluses
Soft unsegmented bodies
Large muscular foot
Shells
Hump and thin mantle
Radula
What is radula
Rasping tounge of molluses
Features of annelida
Long segmented bodies
Similar segments
Move with bristles
Covered by a flexible non- chitinous cuticle
Name the 4 phylum
Arthropoda
Annelida
Chordata
Molluses
Features of Arthropoda
Jointed limbs
Bodies have many segments
Exoskeleton made up of chitin
Name the 6 classes under Arthropoda
Insecta
Crustacea
Arachnia
Myriapods
2 types of Myriapods
Millipede- safe
Centipede- dangerous
Feature of Insecta
Head thorax abdomen
3 pairs of legs
Most have wings
1 pair of compound eyes
1 pair of antennae
Features of Arachnia
Cephalothorax and abdomen
4 pairs of legs
Chelicerae to seize and poison prey
8 simple compound eyes
Leathery exoskeleton
Features of Crustacea
Cephalothorax and abdomen
5 or more pairs of legs
Hard exoskeleton made up of calcium salts
Compound eyes on stalks
Hard shield
Features of Myriapods
Head and truck
Many jointed legs
One pair of antennae
Long segmented trunks
Features of Chordata
Backbone
Extended nervous system
Spinal chord
Name the classes under Chordata
Mammalia
Aves
Pisces
Amphibia
Reptilia
Features of Reptilia
The body is covered in rough- dry scales
Features of Amphibia
Smooth moist skin
Features of Pisces
Fins with bone rays
Gills convered by operculum
Mouth at anterior end
Features of Aves
Beak
Feathers
Scales on legs
Features of Mammalia
Hair or fur
External earflaps
Mammary glands
What are the external earflaps of mammals
Pinnae
