Invertebrates

Question 1

A place where food passes through

Answer 1

Gut

Question 2

It is a group of animals that do have a backbone

Answer 2

Vertebrates

Question 3

It is a group of animals that don’t have a backbone.

Answer 3

Invertebrates

Question 4

It is a type of animal

Answer 4

Sponges

Question 5

a person or thing that eats or uses something

Answer 5

Consumer

Question 6

A noncancerous lump, often on the tendons or joints of wrists and hands

Answer 6

Ganglion

Question 7

refers to the main body cavity in most multicellular animals and is positioned inside the body to surround and contain the digestive tract and other organs

Answer 7

Coelom

Question 8

can be divided into two equal halves.

Answer 8

Bilateral Symmetry

Question 9

arrangement of parts of an organism around a single main axis, so that the organism can be divided into similar halves by any plane that contains the main axis. The body plans of echinoderms, ctenophores, cnidarians, and many sponges and sea anemones

Answer 9

Radial Symmetry

Question 10

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

Answer 10

Asymmetry

Question 11

Cnidarian is a phylum containing over 10,000 species of animals found exclusively in aquatic environments: they are predominantly marine species. Their distinguishing feature is cnidocytes, specialized cells that they use mainly for capturing prey.

Answer 11

Cnidarians

Question 12

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

Answer 12

Flatworms

Question 13

roundworms constitute the phylum Nematoda. They are a diverse animal phylum inhabiting a very broad range of environments

Answer 13

Roundworms

Question 14

the large phylum of invertebrate animals known as the Mollusca. Around 85,000 extant species of molluscs are recognized

Answer 14

Mollusks

Question 15

Blood is pumped by a heart into the body cavities, where tissues are surrounded by the blood.

Answer 15

Open circulatory system

Question 16

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.

Answer 16

Closed circulatory system

Question 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

Answer 17

Annelid worms

Question 18

each of the parts into which something is or may be divided

Answer 18

Segment

Question 19

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

Answer 19

Exoskeleton

Question 20

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

Answer 20

Compound eye

Question 21

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

Answer 21

Antenna

Question 22

includes, in insects, the transformation of a maggot into an adult fly and a caterpillar into a butterfly and, in amphibians, the changing of a tadpole into a frog. A usually degenerative pathological change in the structure of a particular body tissue.

Answer 22

Metamorphosis

Question 23

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

Answer 23

Endoskeleton

Question 24

used by echinoderms, such as sea stars and sea urchins, for locomotion, food and waste transportation, and respiration. The system is composed of canals connecting numerous tube feet.

Answer 24

Water vascular system