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6 Arthropods - English
M.COMPOSTELA
Created on February 12, 2022
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Transcript
The largest and most diverse group
invertebratesArthropods
Prawns, spiders, millipedes, butterflies, grasshoppers, ants and flies
Characteristics
Aquatic (marine and freshwater)
Hard, jointed exoxkeleton
Terrestrial
Larvae (aq) Adult (ter)
Body: Symmetry
Bilateral symmetry
Body: Parts
VIDEO 2
VIDEO 3
Body covered by a hard exoskeleton
Body: Segments
Head, thorax (or cephalothorax) and abdomen + Articulated appendages
Other general: Caracteristics
Sexual:Separate sexes Internal fertilization (female) Oviparous
Developed nervous sysyem. Hairs: vibration, touch and taste Antennae
Gills (aq.) Trachea (ter.)
Herbivores, carnivores or omnivores
Some
Some
Some
Ocelli
Parasites (fleas, ticks and lice)
Scavengers, saprotrophs (houseflies)
Sight: a) Simple eyes b) Compound eyes
METAMORPHOSIS
Classifying: Arachnids
Spiders, scorpions and ticks
- Predators - Trachae and lungs
Abdomen
Cephalo
thorax
Classifying: Crustaceans
Crabs, lobsters, prawns, barnacles
- Breath: either skin and gills
Abdomen
Cephalo
thorax
Classifying: Myriapods
Millipedes
Centipedes
(Thorax) Trunk
Head
Classifying: Insects
- Largest group - The only that can fly - Most: terrestial using trachea - Larvae: gills
Wasp
Head
Thorax
Abdomen
Classifying: Insects
Metamorphosis
Incomplete
Complete
Classifying: Insects
Lepidopterans
Hymenopterans
Coleopterans
Dictyopterans
Orthopterans
Classifying: Insects
Hemipterans
Dipterans
Dermapterans
Odonates
Clarifying ideas