invertebrate animals

Question 1

vertebrates

Answer 1

animal with backbone

Question 2

invertebrates

Answer 2

they have no backbone

Question 3

consumer

Answer 3

eats other things

Question 4

Ganglion

Answer 4

a structure containing a number of nerve cell bodies, typically linked by synapses, and often forming a swelling on a nerve fiber.

Question 5

Gut

Answer 5

the stomach or belly

Question 6

Coelom

Answer 6

the body cavity in metazoans, located between the intestinal canal and the body wall.

Question 7

Bilateral Symmetry

Answer 7

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

Question 8

Radial Symmetry

Answer 8

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

Question 9

Asymmetry

Answer 9

lack of symmetry.

Question 10

Sponges

Answer 10

one of the simple creatures on earth

Question 11

Cnidarians

Answer 11

Cnidaria is a phylum containing over 10,000 species of animals found exclusively in aquatic environments

Question 12

Flatworms

Answer 12

The 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 or roundworms constitute the phylum Nematoda

Question 14

Mollusks

Answer 14

an invertebrate of a large phylum that includes snails, slugs, mussels, and octopuses. They have a soft, unsegmented body and live in aquatic or damp habitats

Question 15

Open circulatory system

Answer 15

pump blood into a hemocoel with the blood diffusing back to the circulatory system between cells.

Question 16

Closed circulatory system

Answer 16

Closed circulatory systems have the blood closed at all times within vessels of different size and wall thickness.

Question 17

Annelid worms

Answer 17

The annelids, also known as the ringed worms or segmented worms, are a large phylum, with over 17,000 extant species including ragworms, earthworms, and leeches

Question 18

Exoskeleton

Answer 18

a skeleton on the outside of the body

Question 19

Compound eye

Answer 19

an eye consisting of an array of numerous small visual units, as found in insects and crustaceans

Question 20

Antenna

Answer 20

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

Question 21

Metamorphosis

Answer 21

a change of the form or nature of a thing or person into a completely different one,

Question 22

Endoskeleton

Answer 22

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

Question 23

Water vascular system

Answer 23

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