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Question 1

Vertebrates

Answer 1

an animal that has a backbone

Question 2

invertabrates

Answer 2

an animal that does not have a backbone

Question 3

consumer

Answer 3

an organism that eats other organisms or organic matter

Question 4

ganglion

Answer 4

a mas of nerve cells

Question 5

gut

Answer 5

the digetive tract

Question 6

coelom

Answer 6

a body cavity that contains the internal organs

Question 7

bilateral symmetry

Answer 7

a form of asexual reprodution in single-celled organisms by which one cell divides into two cells of the same size

Question 8

radial symmetry

Answer 8

symmetry around a central axis, as in a starfish or a tulip flower

Question 9

asymmetry

Answer 9

.

Question 10

sponges

Answer 10

Sponges are the basalmost clade of animals of the phylum Porifera /pɒˈrɪfərə/; meaning “pore bearer”.

Question 11

cindarians

Answer 11

a biological

Question 12

flatworms

Answer 12

he flatworms, flat worms, Platyhelminthes, Plathelminthes, or platyhelminths are a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates.

Question 13

roundworms

Answer 13

The nematodes /ˈnɛmətoʊdz/ or roundworms constitute the phylum Nematoda. They are a diverse animal phylum inhabiting a broad range of environments

Question 14

mollusks

Answer 14

The molluscs compose the large phylum of invertebrate animals known as the Mollusca. Around 85,000 extant species of molluscs are recognized. Molluscs are the largest marine phylum, comprising about 23% of all the named marine organisms

Question 15

open circulatory system

Answer 15

Vertebrates, and a few invertebrates, have a closed circulatory system. Closed circulatory systems have the blood closed at all times within vessels of different size and wall thickness. In this type of system, blood is pumped by a heart through vessels, and does not normally fill body cavities.

Question 16

closed circulatory system

Answer 16

a circlatory system in which the heart circulates blood through a network of vessels that form a closed loop the blood does not leav the blood vesels and materils diffuse acros the walls of the vessels

Question 17

annelid worms

Answer 17

.a feeler that is on the head of an invertebrate such as a crustacean or an insect and that senses touch taste or smell

Question 18

exoskeleton

Answer 18

a hard external supporting structure

Question 19

compound eye

Answer 19

an aye composed of many light detecores

Question 20

antenna

Answer 20

also known as an aerial, a transducer designed to transmit or receive electromagnetic

Question 21

metamorphosis

Answer 21

a phase in the life cycle of many animals during which a rapid change from the immature form of an organism to the adult form takes place

Question 22

endoskeleton

Answer 22

an internal akelton made of bone and carltege

Question 23

water vascular system

Answer 23

a system of canals filled with a watery fluid that circulates throughout the body of an echinoderm