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