invertebrate

Question 1

an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.

Answer 1

vertebrate

Question 2

an animal that does not have a backbone

Answer 2

invertebrate

Question 3

a person or thing that eats or uses something.

Answer 3

Consumer

Question 4

a mass of nerve cells

Answer 4

ganglion

Question 5

the digestive tract

Answer 5

gut

Question 6

a body cavity that contains the internal organs

Answer 6

coelom

Question 7

the property of being divisible into symmetrical halves on either side of a unique plane.

Answer 7

Bilateral Symmetry

Question 8

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

Answer 8

Radial Symmetry

Question 9

lack of equality or equivalence between parts or aspects of something; lack of symmetry.

Answer 9

Asymmetry

Question 10

they are asymmetrical and have no tissues

Answer 10

sponges

Question 11

an aquatic invertebrate animal of the phylum Cnidaria, which comprises the coelenterates.

Answer 11

Cnidarians

Question 12

they have bilateral symmetry, many have a clearly differed have and two large eyespots

Answer 12

flatworms

Question 13

have boied that are lon, slim, and round. they have bilateral symmetry

Answer 13

roundworms

Question 14

Mollusks is the second-largest phylum of invertebrate animals after the Arthropods.

Answer 14

Mollusks

Question 15

the blood is not enclosed in the blood vessels, but is pumped into a cavity called a hemlock.

Answer 15

Open circulatory system

Question 16

blood is contained inside blood vessels, circulating unidirectional (in one direction) from the heart around the systemic circulatory route, then returning to the heart again.

Answer 16

closed circulatory system

Question 17

The annelids, also known as the ringed worms or segmented worms, are a large phylum, with over 22,000 extant species including rag worms, earthworms, and leeches

Answer 17

Annelid worms

Question 18

rigid or articulated envelope that supports and protects the soft tissues of certain animals.

Answer 18

Exoskeleton

Question 19

A compound eye is a visual organ found in arthropods such as insects and crustaceans.

Answer 19

Compound eye

Question 20

either of a pair of long, thin sensory appendages on the heads of insects, crustaceans, and some other arthropods.

Answer 20

Antenna

Question 21

(in an insect or amphibian) the process of transformation from an immature form to an adult form in two or more distinct stages.

Answer 21

Metamorphosis

Question 22

an internal skeleton, such as the bony or cartilaginous skeleton of vertebrates.

Answer 22

Exoskeleton

Question 23

(in an echinoderm) a network of water vessels in the body, the tube feet being operated by hydraulic pressure within the vessels.

Answer 23

Water vascular system