Invertebrates

Question 1

Hermaphrodites

Answer 1

Each individual functions as both Male & Female

Question 2

Filter-feeder

Answer 2

Animal that obtains food by filtering food particles or tiny living things from water

Question 3

Spongocoel

Answer 3

part of a filter feeder where Water is drawn thru pores into this cavity

Question 4

Osculum

Answer 4

Water leaves thru this opening in filter feeder

Question 5

What makes up the body of a sponge if they don’t have tissues?

Answer 5

noncellular, mesohyl fills the space between 2 cell layers

Question 6

Spongin

Answer 6

Protein fibers (in 3 of 4 classes)

Question 7

Spicules

Answer 7

Calcium carbonate or silica spikes

Question 8

Gastrovascular cavity

Answer 8

*The basic body plan of a cnidarian is a sac with a central digestive compartment
* single open is mouth & anus

Question 9

Millipedes

Answer 9

*Detritivores
*2 pair of legs per trunk segment

Question 10

Centipedes

Answer 10

• Carnivores
  *1 pair of legs per trunk segment
• Poison claws to paralyze prey & aid n defense

Question 11

Incomplete Metamorphosis

Answer 11

nymph resembles adult, but not mature
* egg
*nymph (juvenile)
* Adult

Question 12

Complete Metamorphosis

Answer 12

Dramatic changes in form from egg to adult
*Egg
*Larva (juvenile)
*Pupa
*Adult