Term
| What are 5 chacteristics of arthropods? |
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Definition
- Hard exoskeleton made of chitin
- Segmented proteins
- Jointed appendages
- Can be carnivorous or herbivorous
- They live virtually everywhere
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Term
| What type of reproduction is most common in arthropods? |
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Definition
| Sexual reproduction, fertilization happens externally |
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Term
| What are two ways athropods have protection/self defense? |
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Definition
- hard exoskelaton for protection
- produce toxis (poisons)
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Term
| What are 3 classes of chelicerates? |
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Definition
- Merostomates- horseshoe crabs
- Arachnids- scorpions, true spiders, mites
- Pantopods- sea spiders
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Term
What is the picture below of and where are these found?
[image] |
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Definition
| Chelicerate, class merostomate, found only in aquatic habits |
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Term
What is the picture below and what type of diet do they have?
[image]
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Definition
| Chelicerate, class arachnids, all carnivores (will eat insects, some species can eat lizards and birds) |
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Term
What picture is shown below and how many families of this class are there and what special trick do they do?
[image] |
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Definition
| Class Pycnogonids, 500 species and 6 families, suck juice from sea anemones |
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Term
| What are the two main sections of anatomy of arthropods and what are they for? |
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Definition
Anterior (front),movement
Postior (back), digestion, reproduction, and respiration
[image] |
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Term
| How do chelicerates reproduce? |
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Definition
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Term
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Definition
- segmented bodies and jointed appendages (legs, etc.)
- bodies divided into 3 parts (head, thorax, and abdomen)
- 3 legs attached to thorax
- [image]
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Term
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Definition
- Compound eyes- made of many lenses that detect changes in color and movement.
- Brain assembles into a single image
- Less clear but more able to detect movement
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Term
| Besides sight, what are 2 other ways that insects have sense? |
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Definition
- taste and smell receptors on mouth, antennae, and legs
- hairs that detect slight movements in air and water
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Term
| How many pairs of wings do insects usually have and what are they made of? |
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Definition
| 2 pairs of wings and made of chitin |
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Term
| What are the two types of metamorphosis that happens in insects and how are they different? |
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Definition
Incomplete Metamorphosis (body changes gradually from egg, to small nymph....adult)
Complete Metamorphosis (body changes dramatically! from egg, to larva, to pupa, to adult, to grown adult) |
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Term
| How do insects communicate? |
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Definition
| pheromones - chemical messengers that affect behavior and development of other individuals of same species (alert or courtship) |
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Term
| What are the 4 classes of Myriapoda? |
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Definition
Chilopoda (centipedes)
Diplopoda (millipedes)
Pauropoda
Symphyla |
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Term
| What are the 4 characteristics of myripoda? |
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Definition
- Can have over 100 pairs of legs
- Carnivorous, venomous
- Live under rocks or soil
- Non-waterproof exoskeleton requires them to live in moist, humid areas.
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Term
| What are 6 characteristics of crusteceans? |
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Definition
- Primarily aquatic
- Size anywhere from tiny pill bug to spider crabs of 20 kilograms
- Hatch from an egg
- Eat plants and flesh- mostly scavengers
- Most are nocturnal
- Regularly evacuate “your home”
- (unless you’re a barnacle)
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Term
| Identify 4 kinds of crusteceans. |
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Definition
- barnacles
- lobstors
- crayfish
- crabs
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Term
| Give 3 characteristics of crustcean body: |
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Definition
- two pairs of antennae
- 2-3 body sections
- mandibles
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Term
| Give 3 key body parts of crustceans: |
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Definition
- Chelipeds: claws for catching, crushing, cutting and picking up food
- Swimmerets: flipper-like appendages
- Paddle-like appendages to form a large, flat tail
- Abdominal segments beneath abdomen
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Term
| How do crusteceans have senses? |
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Definition
- feel and remember pain
- small eyes, can't see well
- small organs on antennae for smell
- create 3D image with sense of smell
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Term
| How do crusteceans communicate? |
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Definition
Uses pheromones which are chemical messengers that affect the behavior and development of other individuals of the same species.
Used to alert other Crestaceans
During courtship |
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