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Grasshopper and Starfish Test
Terms in this set (10)
External- rays, eye spots, tube feet, spines, and groove.
Internal- radial canal, digestive glands, gonads, and ampullae.
what external/internal features indicate that the starfish is in x5?
Madreporite-stone canal-ring canal-radial canal-ampullae
h2o vascular system-- trace h2o flow
clamps on with its tube feet, opens mollusk, spits out its stomach, digestive glands liquify it, then absorbs the food.
starfish feeds... include tube feet, mouth, stomach, digestive gland, external and mollusk in your answer.
The pedicellarias freezes its body so it can get some water flow.
how do stars respirate
why were divers hired to chop starfish?
Starfish. This is an advantage because they produce over 60 million eggs, so there is a big chance that some will be fertillized.
example of an animal that produces large amounts of egg/sperm. How is this adaptive advantage?
the air goes through the spiracles then goes down the tracial tubes throughout its body.
respiration in a grasshopper
wings, spiracles, ovipositor
3 adaptations of grasshoppers to life on dry land
Advantage- for protection, keeps it from losing too much water
Disadvantage- doesn't grow
how can a grasshoppers' exoskeleton be both an advantage and a disadvantage
its strong, its lightweight, and very flexible
3 characteristics of chitin that make it good material for exoskeleton and wings of a grasshopper.
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