Invertebartes

Question 1

What is the basic unit of structure and function in living things?

Answer 1

Cell

Question 2

What is a group of similar cells that perform a specific function?

Answer 2

Tissue

Question 3

What is a structure that is composed of different kinds of tissue?

Answer 3

Organ

Question 4

What is a group of structures that perform the broadest functions of an animal?

Answer 4

System

Question 5

What is the line of symmetry where the quality of being divisible into halves that are mirror images?

Answer 5

Bilateral Symmetry

Question 6

What is the quality of having many lines of symmetry that all pass through a central point?

Answer 6

Radial Symmetry

Question 7

What is the immature form of an animal that looks very different from the adult?

Answer 7

Larva

Question 8

What is an invertebrate animal that uses stinging cells to capture food and defend itself?

Answer 8

Cnidarian

Question 9

What is a cnidarian body plan characterized by a vaselike shape and usually adapted for a life attached to an underwater surface?

Answer 9

Polyp

Question 10

What is a cnidarian body plan characterized by a bowl shape and adapted for a free-swimming life?

Answer 10

Medusa

Question 11

What is a circulatory system in which the heart pumps blood into open spaces in the body and blood in not confined to blood vessels?

Answer 11

Open Circulatory System

Question 12

What is an organ that removes oxygen from water?

Answer 12

Gill

Question 13

What is a mollusk with a single shell or no shell?

Answer 13

Gastropod

Question 14

What is an animal that eats only plants?

Answer 14

Herbivore

Question 15

What is an animal that eats only other animals?

Answer 15

Carnivore

Question 16

What is a mollusk that has two shells held together by hinges and strong muscles?

Answer 16

Bivalve

Question 17

What is an animal that eats both plants and animals?

Answer 17

Omnivore

Question 18

What is an ocean-dwelling mollusk whose foot is adapted as tentacles that surround its mouth?

Answer 18

Cephalopod

Question 19

What is an invertebrate that has an external skeleton, a segmented body, and jointed appendages?

Answer 19

Arthropod

Question 20

What is a waxy, waterproof outer shell or outer skeleton that protects the animal and helps prevent evaporation of water?

Answer 20

Exoskeleton

Question 21

What is the process of shedding an outgrown exoskeleton?

Answer 21

Molting

Question 22

What is an appendage on the head of an animal that contains sense organs?

Answer 22

Antenna

Question 23

What is an arthropod that has two or three body sections, five or more pairs of legs, and two pairs of antenna?

Answer 23

Crustacean

Question 24

What is the process in which an animal’s body undergoes dramatic changes in form during its life?

Answer 24

Metamorphosis

Question 25

What is an arthropod with two body sections, four pairs of legs, and no antenna?

Answer 25

Arachnid

Question 26

What is the hind section of an arthropod's body that contains its reproductive organs and part of its digestive tract?

Answer 26

Abdomen

Question 27

What is an internal skeleton?

Answer 27

Endoskeleton

Question 28

Name the seven levels of the classification system in order.

Answer 28

1. Kingdom 2. Phylum 3. Class 4. Order 5. Family 6. Genus 7. Species

Question 29

What are the four functions of animals?

Answer 29

1. Obtain food and oxygen 2. Keep internal conditions stable 3. Move 4. Reproduce

Question 30

Having pores is a characteristic of which invertebrate phylum?

Answer 30

Porifera

Question 31

Filter feeders is a characteristic of which invertebrate phylum?

Answer 31

Porifera

Question 32

Having no tissues or organs is a character of which invertebrate phylum?

Answer 32

Porifera

Question 33

Sponges are in what phylum?

Answer 33

Porifera

Question 34

Stinging cells is a characteristic of which invertebrate phylum?

Answer 34

Cnidarian

Question 35

Having a central cavity which takes in food is a characteristic of which invertebrate phylum?

Answer 35

Cnidarian

Question 36

Arachnids are a group of which invertebrate phylum?

Answer 36

Arthropods

Question 37

What are the two main body types of cnidarians?

Answer 37

1. Polyp | 2. Medusa

Question 38

Portuguese Man of War is in which phylum?

Answer 38

Cnidarians