Chapter 11 Study Guide: Structure and Function of Invertebrates

Question 0

The study of functions in organisms

Answer 0

Physiology

Question 1

An organsims structure

Answer 1

Anatomy

Question 2

One line of symmetry

Answer 2

Bilateral Symmetry

Question 3

Multiple lines of symmetry

Answer 3

Radial Symmetry

Question 4

Animals with a backbone

Answer 4

Vertebrate

Question 5

Animals without a backbone

Answer 5

Invertebrate

Question 6

A group of animal classification

Answer 6

Phylum

Question 7

An immature form of an animal

Answer 7

Larva

Question 8

Invertebrates that have stinging cells and take their food into a central body cavity

Answer 8

Cnidarian

Question 9

The vase shaped body plan

Answer 9

Polyp

Question 10

The bowl shaped body plan

Answer 10

Medusa

Question 11

A knot of nerve tissue located in the head end

Answer 11

Brain

Question 12

An organism that lives inside or on another organism

Answer 12

Parasite

Question 13

The organism in or on which it lives

Answer 13

Host

Question 14

The far end of the tube

Answer 14

Anus

Question 15

Invertebrates with soft, unsegmented bodies that are often protected by a hard body shell

Answer 15

Mollusk

Question 16

Where the blood is not always inside the blood vessels

Answer 16

Open Circulatory System

Question 17

Blood moves only within a connected network of tubes called blood vessels

Answer 17

Closed Circulatory System

Question 18

Organs that remove oxygen from the water

Answer 18

Gill

Question 19

Include snails and slugs

Answer 19

Gastropod

Question 20

A flexible organ with tiny teeth

Answer 20

Radula

Question 21

Mollusks that have two shells held together by hinges and strong muscles

Answer 21

Bivalve

Question 22

An ocean dwelling mollusk whose foot forms tentacles around its mouth

Answer 22

Cephalopod

Question 23

Members of the arthropod phylum

Answer 23

Arthropod

Question 24

Outer skeleton

Answer 24

Exoskeleton

Question 25

The process of shredding an outgrown exoskeleton

Answer 25

Molting

Question 26

An appendage attached to the head that contains sense organs

Answer 26

Antenna

Question 27

Crayfish, lobsters, shrimp, and all crabs

Answer 27

Crustacean

Question 28

Spiders, mites, ticks, and scorpions

Answer 28

Arachnid

Question 29

The hind section

Answer 29

Abdomen

Question 30

A process in which an animal’s body undergoes dramatic changes in form during its lifetime

Answer 30

Metamorphosis

Question 31

The most common of all the arthropods

Answer 31

Insect

Question 32

The section to which wings and legs are attached

Answer 32

Thorax

Question 33

A stage where the pupa turns into a larva

Answer 33

Pupa

Question 34

Where an egg hatches

Answer 34

Nymph

Question 35

Members of the phylum echinodermata

Answer 35

Echinoderm

Question 36

Where the skin of most echinoderms is stretched over an internal skeleton

Answer 36

Endoskeleton

Question 37

The internal organ system of fluid filled tubes in echinoderms

Answer 37

Water Vascular System

Question 38

Where the tubes in the water vascular system can contract, or squeeze together, forcing water into structures

Answer 38

Tube Feet

Question 39

Four different stages: egg, larva, pupa, and adult

Answer 39

Complete Metamorphosis

Question 40

Has no distinct larval stage

Answer 40

Gradual Metamorphosis