invertebrate animals

Question 1

Vertebrates

Answer 1

Animals that have a backbone

Question 2

Invertebrates

Answer 2

Animals that don’t have backbone

Question 3

Consumer

Answer 3

organism that eats other organisms

Question 4

Ganglion

Answer 4

a mass of nerve cells

Question 5

Gut

Answer 5

the digestive tract

Question 6

Coelom

Answer 6

a body cavity that contains the internal organs

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

Question 10

Sponges

Answer 10

Sponges, the members of the phylum Porifera, are a basal Metazoa clade as sister of the Diploblasts

Question 11

Cnidarians

Answer 11

Cnidaria is a phylum containing over 10,000 species of animals found exclusively in aquatic environments: they are predominantly marine species.

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. They are a diverse animal phylum inhabiting a broad range of environments

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, and most kinds have an external calcareous shell.

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

have a closed circulatory system. 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

An exoskeleton is the external skeleton that supports and protects an animal’s body, in contrast to the internal skeleton of, for example, a human. In usage, some of the larger kinds of exoskeletons are known as “shells”

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

something on an ant

Question 21

Metamorphosis

Answer 21

the process of transformation from an immature form to an adult form in two or more distinct stages.
a change of the form or nature of a thing or person into a completely different one, by natural or supernatural means.

Question 22

Endoskeleton

Answer 22

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

Question 23

Water vascular system

Answer 23

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