7th - Chapter 11 Science Test

Question 1

What is Mechanical Digestion?

Answer 1

the form of digestion that grinds and crushes food into smaller particles.

Question 2

What is a gizzard?

Answer 2

the muscular organ animals without teeth have that performs the crushing and grinding. Ex. earthworms, birds, etc.

Question 3

What is Complete Digestive System?

Answer 3

the anus is the structure that expels leftover matter that cannot be digested.

Question 4

What is Chemical Digestion?

Answer 4

the form of digestion that uses chemicals to break down food molecules into nutrients. This process occurs in the stomach and intestines.

Question 5

What are Tapeworms?

Answer 5

organism that absorbs nutrients completely through their skin.

Question 6

What is a Herbivore?

Answer 6

an animal that feeds on plants

often feed on fruit, nectar and seeds

Question 7

What is a Snail?

Answer 7

organism that uses a radula to scrape plant surfaces for obtaining food

Question 8

What is a Termite?

Answer 8

organism that has bacteria or protists living in its gut to break down wood

Question 9

What is a Starfish?

Answer 9

organism that uses tube feet to pry open the shells of mollusks

Question 10

What are Sponges?

Answer 10

obtain energy by filtering microscopic particles from the water

Question 11

What is Ectotherm?

Answer 11

an animal with a body temperature that is determined by its environment

Question 12

What is Excretory Tubules?

Answer 12

invertebrates use to collect and expel wastes

Question 13

What is Circulatory System?

Answer 13

system that transports nutrients and gases throughout an animal’s body

Question 14

What is Ventricles?

Answer 14

chambers that pump blood out of a vertebrate’s heart.

Question 15

What do veins do?

Answer 15

carry blood toward the heart

Question 16

What do arteries do?

Answer 16

carry blood away from the heart

Question 17

What are Fish?

Answer 17

vertebrates that have 2 chambered hearts

Question 18

What are 4 Chambers?

Answer 18

maximum number of chambers in any vertebrate heart

Question 19

What are Spiracles?

Answer 19

tiny openings that connect to an insect’s trachea

Question 20

What is a trachea?

Answer 20

tubes used in respiration

Question 21

What is a Diaphragm?

Answer 21

a muscle used by mammals to help them breathe

Question 22

What are Air Sacs?

Answer 22

structures that allow a bird’s lungs to receive fresh oxygen when it breathes in and when it breathes out

Question 23

What are Hydrostatic skeleton?

Answer 23

rely on fluid pressure to support an animal. Ex. worms, cnidarians (jellyfish)

Question 24

What are Exoskeleton?

Answer 24

support system that has a rigid covering that supports an animal from outside its body

Question 25

What is Endoskeleton?

Answer 25

type of support system that also acts as a reserve of important minerals

Question 26

What are Ligaments?

Answer 26

tough bands of tissue that hold bones of an endoskeleton together

Question 27

What are Sessile?

Answer 27

an organism that cannot move from place to place

Question 28

What is an Octopus?

Answer 28

uses a muscular siphon to move quickly through the water

Question 29

What are Nerve Impluses?

Answer 29

electrical signals that are used to control an animal's actions

Question 30

What is a Nerve Net?

Answer 30

simple nervous system allows an animal to have a limited ability for control and response in its environment

Question 31

What are Neurons?

Answer 31

special cells that collect information and carry nerve impluses

Question 32

What are Intestines?

Answer 32

an organ that aids in digestion and absorbing nutrients

Question 33

What are Mandibles?

Answer 33

scissor-like mouth parts that insects use for eating plant material

Question 34

What are Capillaries?

Answer 34

tiny vessels in circulatory systems that connect arteries and veins

Question 35

What is a Tracheae?

Answer 35

a branching network of tubes used for respiration

Question 36

What are Filaments?

Answer 36

threadlike structures that increase the surface area of gills

Question 37

What is Hemolymph?

Answer 37

a blood-like fluid found in animals with open circulatory systems.

Question 38

What is Locomotion?

Answer 38

movement from one place to another

Question 39

What is Circulation?

Answer 39

transport of nutrients, gases, and waste throughout the body

Question 40

What is Excretion?

Answer 40

elimination of waste products from the body

Question 41

What is Respiration?

Answer 41

the exchange of gases between the body and the environment