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science chapter 30
| Question | Answer |
|---|---|
| largest class | Insecta |
| Eats every kind of plant including most agricultural crops | Insecta |
| 2 ways insecta benefits | 1. eat weeds which compete with the crops 2.primary crop pollinators |
| Coelom and segmented body | insecta |
| they are characterized by there ____ | mouth |
| what are the 2 types of mouth | 1. Mandibulates 2. Chelicerates |
| jaws – crustaceans, insects, centipedes and millipedes | Mandibulates |
| fangs or pincers – spiders, mites and scorpions | Chelicerates |
| jointed legs and other appendages that allow for more flexibility | Jointed appendages |
| all of them are this and the adults are the more advances species that have segments fused to form a head thorax and abdomen | segmentational |
| most are distinct which are fused with the thorax (Cephalothorax) | head |
| the head is fused with the thorax | Cephalothorax |
| skeleton on the outside | exoskeleton |
| the exoskeleton shed occationally | Ecdysis |
| made of 1000 individual units that cant focus really well but the can detect movement very well | compound eye |
| how they breath through Tracheae | spiracles |
| fine tubes that air goes through spiracles and open and closed by valves | Tracheae |
| what type of circulation does insecta have | open circulatory system |
| compose of the excretory units they are slander finger like structures that extend form the gut waste pass through it and exits at the anus | Malpighian tubules |
| used to fly | wings |
| what class is subphylum Chilicerata in | class Arachnids |
| what is in the class arachnids | Spiders, ticks, mites, scorpions, daddy long legs |
| what are arachnids (carnivore or herbivore) | carnivore (except for mites) |
| how do Arachnids catch there pray | Inject enzymes into there pray which liquefies the tissue then they suck in up |
| 4 pairs of Legs, fused body region, mouth chelicerae | Arachnids |
| Large grasping pincers for handling and tiring apart there food and for reproducing (dancing) | scorpions |
| on the tail of a scorpian which is used to stun there pray | Venomous stinger |
| Poison glands that secret toxins so that when they bit it paralyzes there pray | spiders |
| spiders Techniques to catching prey (3) | 1.run them down 2. hide in burrows that they built and then pop out when something pop by 3. sticky web |
| Head, thorax and abdomen all fused together | mites |
| what is in the Subphylum Crustacea | Crabs, lobsters, crayfish, shrimp, barnacles, water fleas and pill bug |
| - Jaws - Exoskeleton: made of calcium carbonate - Two pairs antennae (insects have 1) - Legs attached to abdomen as well as thorax - Gills: breath with | Subphylum Crustacea |
| what are the 3 classes of Subphylum Uniramia | millipedes, centipedes, and Insecta |
| each stage is very different | Complete metamorphosis |
| the stages don’t differ as much the nymph which is the juvenal looks like a small version of the adult | incomplete metamorphosis |
| what are the 2 life cycles | complete metamorphosis incomplete metamorphosis |
| 2 antenna and they contain since organs so they can both touch and smell | head |
| what are the grasshoppers 4 lips | labrum labium mandibles maxillas |
| stiff upper lip | labrum |
| lower lip | labium |
| jaws | mandibles |
| grass spurs | maxillas |
| 2 pars of wings the leathery fore wings protect the more delicate flying wings | grasshopper |
| repertory system (breathing) | Spiracles |
| 3 fused segments | thorax |
| front 2 pair used for walking and the rear 2 for jumping | grass hopper legs |
| where is the reproductive system of a grasshopper located | abdomen |
| what is the process of the reproductive system of a grasshopper | The female collects sperm from the seriating male and then later in the summer she digs a hole releases her eggs into the hole which gets fertilized as she releases them |
| what is the circulatory system of a grasshopper | open which is composed of long blood vessels along the back an a series of muscular hearts |
| what is in the Echinoderms and Invertebrate Chordates | starfish |
| - Radial symmetry - No head or brain | starfish |
| consist of a symmetrical ring of nerves with branches extending into the arms | nervous system of a starfish |
| Endoskeleton is composed of individual plates called | ossicles |
| provide muscle attachment and shell like protection | ossicles |
| 5 arms that extend radially from a central point | 5 part radial symmetry |
| there enter connected canals and tube feet filled with water | water vascular system |
| the body cavity acts like a simple circulatory system and the particles move freely throughout | Coelomic circulation of a starfish |
| preformed by skin gills which are small finger like projections that grow between the spins | Respiration and waste removal |
Created by:
Lauren Bowers
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