invertebrate Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Vertebrates

A

An animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Invertebrates

A

Invertebrates are animals that neither possess nor develop a vertebral column, derived from the chordate.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Consumer

A

A living creature that eats organisms from a different population.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Ganglion

A

A small cystic tumor connected either with a joint membrane or tendon sheath.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Gut

A

The portions of the alimentary canal, particularly the stomach and the intestines.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Coelom

A

Located between the intestinal canal and the body wall.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Bilateral Symmetry

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Radial Symmetry

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Asymmetry

A

The lack or absence of symmetry.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Sponges

A

Have a porous skeleton.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Cnidarians

A

Include the corals, hydras, jellyfish, Portuguese men-of-war, sea anemones, sea pens, sea whips, and sea fans. sea anemone.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Flatworms

A

A group of soft-bodied, usually much flattened invertebrates.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Roundworms

A

Any worm of the phylum Nematoda.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Mollusks

A

Usually wholly or partly enclosed in a calcium carbonate shell secreted by a soft mantle covering the body.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Open circulatory system

A

Systems where blood, rather than being sealed tight in arteries and veins, suffuses the body and may be directly open to the environment at places such as the digestive tract.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Closed circulatory system

A

Comprised of the heart that pumps blood into the vessels to reach the tissues and organs.

17
Q

Annelid worms

A

Any member of a phylum of invertebrate animals that are characterized by the possession of a body cavity.

18
Q

Exoskeleton

A

Rigid or articulated envelope that supports and protects the soft tissues of certain animals.

19
Q

Compound eye

A

A visual organ found in arthropods such as insects and crustaceans.

20
Q

Antenna

A

One of a pair of slender, movable, segmented sensory organs on the head of insects, myriapods, and crustaceans.

21
Q

Metamorphosis

A

Striking change of form or structure in an individual after hatching or birth.

22
Q

Endoskeleton

A

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.