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Biology Chapter 26 Section 1
Terms in this set (56)
Arthropods' specific ___________ allow them to live in many _________.
Arthropods have evolved to have a variety of adaptations for successful __________, _____________, and __________.
diversity, population, and persistence
Arthropods have _________ bodies and tough ________ with jointed appendages.
Arthropods have what kind of symmetry?
Arthropod body cavity
Allows for more complex movement
Arthropods have exoskeletons with __________ __________
Why are Arthropods segmented?
allows for complex and efficient movement
How many body regions are Arthropods split into?
What are the body regions that Arthropods are split into?
head, thorax, and abdomen
What is located in the head?
1. mouthparts for feeding
2. various types of eyes
Long sensory structures that contain receptors for smell and touch
What are antennas used for?
smell and touch
What is located in the thorax?
legs and wings
Where is the thorax located?
middle body region
Where is the abdomen located?
What is located in abdomen?
additional legs, digestive structures, and reproductive organs
2 segments; head and thorax are fused together to form the __________
What does the exoskeleton do for the arthropod?
provides framework, protects body tissues, slows water loss, gives muscles a place to attach
What is the exoskeleton made of?
Do all arthropods have the same thickness of exoskeletons?
Structures that grow and extends from an animal's body
What functions are appendages adapted for?
feeding, mating, sensing, walking, and swimming
Process of shedding exoskeleton because it does not grow with the animal
How does an arthropod go through molting? (describe the process briefly)
glands secrete a fluid that softens old exoskeleton and new one grows; fluid increases = old one cracks
Pair of appendages that can be adapted for biting and chewing
What are arthropods? (think of food related)
carnivores, herbivores, filter feeders, omnivores, or parasites
What are their digestive systems like?
1-way; 2-opening with a mouth, gut, and anus
Various glands produce __________ enzymes
Name the three structures they could use
gills, tracheal tubes, and book lungs
Most aquatic arthropods use _________
terrestrial arthropods depend on _________ system to carry oxygen to the cells
__________ arthropods depend on respiratory system to carry oxygen to the cell
Most have a system of ________ ________ that branch into smaller wand smaller tubules to carry oxygen throughout the body
Saclike pockets with highly folded walls for respiration
Both tracheal tubes and book lungs lead to the outside of the body in openings called _________
Both _________ _________ and __________ _________ lead to the outside of the body in openings called spiracles
tracheal tubes and book lungs
Transports _________ and removes _______
nutrients and wastes
Pumped by a(n) ________ into _______ that carry blood to the body
Tubules that remove cellular wastes from the body
Attached to an empty into the gut where it is _________ out of the body
Double chain of ganglia that run throughout the body on the _______ side
Double chain of ________ that run throughout the body on the ventral side
Fused pair of ganglia make up the _________
Most arthropods have _______ pair(s) of large _________ eyes
Have ___________ simple eyes along with one pair of compound eyes
Flat membrane used for hearing
Chemicals secreted by animals to influence the behavior of other animals in that species
How do arthropods communicate?
Chemicals signal behaviors such as ______ and _________
mating and feeding
Are arthropods fast?
Are arthropods active?
Muscles are attached to the ________ surface of the exoskeleton on either side of the joint
How do arthropods reproduce?
sexually; separate sexes; internally; produce eggs
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