Invertebrate Animal Flashcards Preview

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Flashcards in Invertebrate Animal Deck (24)
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1
Q

Animals with backbones

A

Vertebrates

2
Q

Animals without backbones

A

Invertebrates

3
Q

An organism that eats other organisms or organic matter

A

Consumer

4
Q

A mass of nerve cells

A

Ganglion

5
Q

The digestive tract

A

Gut

6
Q

A body cavity that contains the internal organs

A

Coelom

7
Q

Symmetry that is the same when it is split in the middle

A

Bilateral Symmetry

8
Q

Symmetry around a certain point, like a starfish

A

Radial Symmetry

9
Q

A lack of symmetry to a certain point on a animal

A

Asymmetry

10
Q

A phylum that has Asymmetry and water flows into cavities that bring in food and oxygen

A

Sponges

11
Q

A phylum that includes jellyfish, and sea anemone; they have radial symmetry

A

Cnidarians

12
Q

A worm with a flat body, no blood vessels, and a one opening digestive tract

A

Flatworms

13
Q

A parasitic worm found in the intestines of mammals

A

Roundworms

14
Q

A phylum that contains snails, slugs, and octopuses; they have soft unsegmented bodies

A

Mollusks

15
Q

A circulatory system in which the circulatory fluid is not contained entirely within vessels; a heart pumps fluid through vessels that empty into spaces called sinuses

A

Open Circulatory System

16
Q

A circulatory system in which the heart circulates blood throughout a network of vessels that form a closed loop; the blood does not leave the blood vessels, and materials diffuse across the walls of the vessels

A

Closed Circulatory System

17
Q

A phylum that contain the segmented worms

A

Annelid Worms

18
Q

Any part of a larger structure, such as a the body of an organism, that is set off by natural or arbitrary boundaries

A

Segment

19
Q

A hard, external, supporting structure

A

Exoskeleton

20
Q

An eye composed of many light detectors

A

Compound Eye

21
Q

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

A

Antenna

22
Q

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

A

Metamorphosis

23
Q

An internal skeleton made of bone and cartilage

A

Endoskeleton

24
Q

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

A

Water vascular system