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Science test ch15 16

learn for fri. feb. 15 2014

QuestionAnswer
What is unicellular? A single celled organism
Difference between a vertebrate and invertebrate? Vertebrate-has a back bone Invertebrate-has no back bone
Explain the difference between radial and bilateral symmetry? Radial-can be cut symmetrically more than 1 way bilaterial- can only be cut 1 way
term for simple brain? ganglion
Type of skeleton similar to a water balloon? Hydro static skeleton
What are the stinging cells on the jellyfish? Nematocysts
The inner layer of the jellyfish is called? endoderm
The outer layer of the jellyfish is called? ectoderm
(True or False) can octopus change their color to blend in? True
Are worker bees male or female? Female
How do some insecticides work? Clog/cover spiracles to suffocate the insect
Name 3 body sections of an insect (top to bottom) head, thorax, and abdomen
What phylum has the most species in it? Phylum anthropoda
The second largest animal phylum is? Phylum moluska
What are the main characteristics of an insect? They have six legs they have three body parts, a head, a thorax and an abdomen they have wings they also have an outer or exoskeleton
What kind of symmetry do flat worms have? Bilateral symmetry
What phylum are flat worms in? Plathelminthe
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