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Flashcards in invertebrate animal Deck (23)
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1
Q

vertebrates

A

animals with back bones

2
Q

invertebrates

A

animals without back bones`

3
Q

consumer

A

an organism that eats another organisms matter

4
Q

gangilon

A

a mass of nerve cells

5
Q

gut

A

the digestive tract

6
Q

coelum

A

a body cavity that contains the internal organisms

7
Q

bilateral symmetrey

A

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

8
Q

radial symmetrey

A

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

9
Q

Asymmetry

A

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

10
Q

Sponges

A

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

11
Q

Cnidarians

A

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

12
Q

Flatworms

A

worms that are flat that can cause disease but yet do good.

13
Q

Roundworms

A

The nematodes or roundworms constitute the phylum Nematoda

14
Q

Mollusks

A

an invertebrate of a large phylum that includes snails, slugs, mussels, and octopuses

15
Q

Open circulatory system

A

pump blood into a hemocoel

16
Q

Closed circulatory system

A

pump blood into the vesseles

17
Q

Annelid worms

A

The annelids, also known as the ringed worms.

18
Q

Exoskeleton

A

a rigid external covering for the body in some invertebrate animals, especially arthropods, providing both support and protection.

19
Q

Compound eye

A

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

20
Q

antenna

A

things on some insects heads that alow them to feel around.

21
Q

Metamorphosis

A

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

22
Q

Endoskeleton

A

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

23
Q

Water vascular system

A

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