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Ch. 13.3 Blume

What does arthropoda mean? Jointed foot
What are appendages used for? Moving about, capturing prey, feeding, mating, and sensing their environment
What do arthropods have? They have bilateral symmetry, segmented bodies, an exoskeleton, a body cavity, a digestive system with two openings, and a nervous system
What do most arthropods species have? Separate sexes and reproduce sexually
Appendage Jointed structures of arthropods
Exoskeleton Hard outer covering that all arthropods have
Molting The process where the exoskeleton is shed and replaced with a new one
Spiracle Openings on insects that air enters through and waste gases leave the insect's body through
Metamorphosis A series of changes in body form for insects
Where do arthropods live? They adapt to living in almost every environment
What about the arthropod's size? The size of arthropods range from microscopic dust mites to the large Japanese spider crab (spider crabs have legs that span more than 3 meters)
What are the bodies of arthropods similar to? They are divided into segments that are similar to those of segmented worms. Some have many segments, but others have segments that are fused together to form body regions
How do arthropods make sure their new exoskeleton has room for growth? The animal swallows air or water to increase its exoskeleton's size
What is the name of one of the largest kinds of ant? The carpenter ant
What are the names of the 3 parts of the ant? Head, Thorax (middle), Abdomen (back)
What does the head have? A pair of antennae, eyes and a mouth
What is the antennae used for? Touch & smell
What choices of eyes are there? Simple and compound
What do simple eyes do? Detect light and darkness
What do compound eyes do? Have many lenses, detect color and movement
Where do 3 pairs of legs attach if there are wings attached at the thorax? Thorax
Some insects do not have what? Wings
Some only have wings for how long? Part of their lives
Where are reproductive structures found? Abdomen
Females lay how many eggs? Thousands, but only a fraction of them turn into adults
What kind of circulatory system does it have? Open, it carries digested food to cells and removes wastes
What animal is an example of complete metamorphosis? Butterflies
What animal is an example of incomplete metamorphosis? Grasshopper
Created by: cashworth