WHAT IS AN ANIMAL?!??!?!??!?!?!????

Question 1

INVERTEBRATES

Answer 1

Animals without a backbone

Question 2

VERTEBRATES

Answer 2

Animals with a backbone

Question 3

Homeostasis

Answer 3

Keeping internal body conditions stable

Question 4

Adaptations

Answer 4

Structures and behaviors that allow animals to perform their functions are called

Question 5

Tissue

Answer 5

A group of similar cells that performs a a specific function

Question 6

Organ

Answer 6

Made up of different tissues

Question 7

Radial symmetry

Answer 7

An animal has radial symmetry if imaginary lines can be drawn through a central point to divide it into 2 mirror images

Question 8

Bilateral symmetry

Answer 8

An animal has bilateral symmetry if only one one of symmetry can be drawn to divide it into halves that are mirror images

Question 9

Cnidarian

Answer 9

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

Question 10

Mollusk

Answer 10

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

Question 11

Arthropods

Answer 11

Invertebrates that have a hard outer covering, segmented bodies, and pairs of jointed appendages

Question 12

Exoskeleton

Answer 12

Outer skeleton

Question 13

Echinoderm

Answer 13

An invertebrate that has an internal skeleton and has a system of fluid-filled tubes

Question 14

Endoskeleton

Answer 14

An internal skeleton

Question 15

Chordates

Answer 15

Members of the chordata phylum

Question 16

Notochord

Answer 16

A flexible rod that supports a chordates back

Question 17

Vertebrae

Answer 17

Singular vertebra

Question 18

Ectotherm

Answer 18

An animal that produces little internal body heat

Question 19

Endotherm

Answer 19

An animal that controls the internal body heat it produces and regulates

Question 20

Fish

Answer 20

Vertebrate that lives in water and uses fins to move

Question 21

Cartilage

Answer 21

A tissue more flexible than bone

Question 22

Amphibian

Answer 22

A vertebrate that is ectothermic and spends its early life in water and its adult life on land

Question 23

Reptile

Answer 23

An ectothermic vertebrate that has scaly skin and lungs and lays eggs on land

Question 24

Bird

Answer 24

An endothermic vertebrate that lays eggs and flies

Question 25

Mammals

Answer 25

Endothermic vertebrates that have skin covered in fur or hair

Question 26

Mammary glands

Answer 26

Organ that lets mammals produce milk

Question 27

Monotremes

Answer 27

Lay eggs

Question 28

Marsupials

Answer 28

Usually develop in a pouch on the mothers body

Question 29

Placental mammal

Answer 29

Develops inside its mothers body until its body's system can work independently

Question 30

Placenta

Answer 30

Materials are exchanged between mother and embryo through the placenta