Apologia Biology Module 11

Front 1

nematocysts

Back 1

Small capsules that contain a toxin which is injected into prey or predators.

Front 2

posterior end

Back 2

The end of an animal that contains the tail.

Front 3

nervous system

Back 3

A system of sensitive cells that responds to stimuli such as sound, touch, and taste.

Front 4

ganglia

Back 4

masses of nerve cell bodies

Front 5

hermaphrodite

Back 5

Possessing both the male and female reproductive organs.

Front 6

mantle

Back 6

A sheath of tissue that encloses the vital organs of a mollusk, makes the mollusk's shell, and performs respiration.

Front 7

What phyla are sponges in?

Back 7

Phylum Porifera

Front 8

How many layers of cells do sponges have?

Back 8

Two

Front 9

What is the purpose of the epidermis layer of cells?

Back 9

Outer layer that protects

Front 10

________________ the jellylike substance that separates the epidermis fromthe inner cells.

Back 10

Mesenchyme

Front 11

A sponge is supported by a network of ___________ that are found mostly inthe mesenchyme. (feels spiny and hard)

Back 11

spicules

Front 12

Some sponges are supported by a tough web of protein called_______ .(feels soft)

Back 12

Spongin

Front 13

Sponges eat ______, ______, and _______ in the water.

Back 13

algae, bacteria, and organic matter

Front 14

Sponges use canals and cavities that are lined with collar cells. (whichare also called __________.)

Back 14

choanocytes

Front 15

Sponges have no organs, but have _______________________________________________________.

Back 15

specialized cells that take care of digestion

Front 16

Sponges reproduce by _______ (asexually)

Back 16

budding

Front 17

If they live in a large colony, it is known as a _______ ______

Back 17

coral reef

Front 18

Three examples of Phylum Cnideria

Back 18

jellyfish, sea anemones, and hydra

Front 19

What are the 2 basic forms of Phylum Cnideria

Back 19

Polyp and Medusa

Front 20

The earthworm has a clitelliumaids ___________in and helps distinguish between head and tail. It is closest to the anterior end

Back 20

reproduction

Front 21

Earthworms do not have a _______, but have 2 main blood vessels.

Back 21

heart

Front 22

The earthworms a dorsal blood vesseland ventral blood vesselare linked by a series of strong muscled vessels known as the ______ _______ .

Back 22

aortic arches

Front 23

Earthworms are able to breathe through their ______.

Back 23

skin

Front 24

In order to be able to absorb oxygen and release Carbon dioxide, the worm's epidermis is covered with a moist layer called the ______ .

Back 24

cuticle

Front 25

A earthworm _________ will if they dry out.

Back 25

suffocate

Front 26

Phylum Annelida-Segmented Worms such as _______ and ______

Back 26

earthworms and leeches

Front 27

Earthworms are .

Back 27

hermaphrodictic

Front 28

Phylum Platyhelminthes- Flatworms Name three examples.

Back 28

plantarian, tape worms and flukes

Front 29

Phylum Platyhelminthes have a more complex _____ ______ than the earthworms

Back 29

nervous system

Front 30

In order to asexually reproduce, a planarian simply tears itself inhalf. The two halves each _________ their missing half.

Back 30

regenerate

Front 31

Phylum Nematoda- Roundworms are______ _______ worms

Back 31

tiny cylindrical

Front 32

Phylum Nematoda live in _______ environment.

Back 32

every

Front 33

Phylum Mollusca includes _____,_____,_____, and _______

Back 33

Clams, oysters, snails, squids

Front 34

Most members have a _____ , a ____ , a ______ , a foot, and aradula.

Back 34

mantle, shell, visceral hump

Front 35

The snail is a _______ while clams are bivalves

Back 35

univalve