Open note quiz 28.1
• 1. What material makes up the exoskeleton of the arthropod? • 2. What does the term “arthropod” refer to? • 3. What has the evolu on of arthropods led to in terms of segmenta on? • 4. list one type of respiratory structure in arthropods • 5. what type of circulatory system does an arthropod have? • 6. What body system controls mol ng? • 7. List something from the notes that clearly shows me you took the notes.
1. Comparison of arthropod groups
• 2. Class Crustacea: crabs, lobsters, barnacles – 3 two/three body sec ons (head, thorax, abdomen) – 3. chewing mouthparts
• 2. Class Arachnida: spiders, cks, mites, scorpions – 3. Four pair of legs on thorax – 3. Two body regions: Cephalothorax & abdomen
h p://video.na onalgeographic.com/video/animals/bugs-animals/spiders-and- scorpions/spider_orb_kills_bat/ Gall mites cause the red bumps on sycamore tree Eyelash mites Scorpions under black light
Crayfish test tomorrow
• Match the structures with the pictures from the website.
• Match the terms with their func ons.
• TAKE YOUR 2 STUDY GUIDES HOME! • 2. Class Merostomata- horseshoe crabs Horseshoe crabs value to medicine http://videos.howstuffworks.com/discovery/27841-assignment-crab-horseshoe-crabs-blue-blood-video.htm
http://www.youtube.com/watch?v=e8KlAmtIu1E Phylum arthropoda con nued • 2. Class Insecta 3. Traits 4. 3 body regions (head, thorax, abdomen) 4. 3 pair of legs (on thorax) 2. Life cycles of insects- metamorphosis
3. complete metamorphosis
3. Incomplete metamorphosis
* egg- nymph- adult
http://animal.discovery.com/videos/ monsters-inside-me-bedbug- bites.html
2. Insects that cause destruc on
* termites
•Boll weevils
•Japanese beetles 2. Insects that cause disease
* mosquitoes- malaria
* fleas- bubonic plague 2. Benefits of insects
* pollina on
* food products 1. How do insects communicate?
2. Visual cues
4. light
4. Bee dance; direction, distance, type of food 1. How do insects organize their colonies?
2. each member has a role (job)
3. queen – makes eggs
3. drones- males that mate with queen
3. workers- gather food, protect hive, care for young
* queen
*workers
* drone 1.How do arthropods respire? 2. Structures for respira on
3. spiracles – trachea – air sacs (insects) 3. spiracles – book lungs (arachnids) 3. gills (crustaceans) respira on 1. How do arthropods carry oxygen? 2. Open circulatory system • w/ heart & os a, open blood vessels, & • Blood cavi es (sinuses) 1. How do arthropods get rid of wastes? 2. Malpighian tubes remove nitrogen wastes (like kidneys) • 3. simple diffusion in aqua c animals Locomo on 1. What do arthropods use to Respond to their environment? • 2. well developed nervous system • 3 exhibits cephaliza on (brain) • 3 compound eyes or simple eyes 3. Reproduc on
• * Internal or external fer liza on 1. Phylum Arthropoda- jointed foot
• 2. Traits common – * jointed appendages (offer greater range of mo on) – * segmented body (similar to annelid ancestors) – * exoskeleton (made of chi n)
•Molts exoskeleton as it grows 2. Form & func on
• 3. Mouthparts for feeding-
• Chewing • Sponging (soak up) • Lapping • Piercing