Invertabrates

Question 1

Vertebrates

Answer 1

Vertebrates represent the overwhelming majority of the phylum Chordata, with currently about 64,000 species described

Question 2

Invertebrates

Answer 2

are animals that neither possess nor develop a vertebral column, derived from the notochord

Question 3

Consumer

Answer 3

An organism that generally obtains food by feeding on other organisms or organic matter due to lack of the ability to manufacture own food from inorganic sources

Question 4

Ganglion

Answer 4

a structure containing a number of nerve cell bodies, typically linked by synapses, and often forming a swelling on a nerve fiber.

Question 5

gut

Answer 5

the stomach or belly

Question 6

Coelom

Answer 6

the body cavity in metazoans, located between the intestinal canal and the body wall.

Question 7

Bilateral Symmetry

Answer 7

he 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 are the basalmost clade

Question 11

Cnidarians

Answer 11

is a phylum containing over 10,000 species of animals found exclusively in aquatic environments

Question 12

Flatworms

Answer 12

are a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates.

Question 13

Roundworms

Answer 13

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

Question 14

Mollusks

Answer 14

the large phylum of invertebrate animals known as the Mollusca

Question 15

Open circulatory system

Answer 15

Vertebrates, and a few invertebrates, have a closed circulatory system

Question 16

Closed circulatory system

Answer 16

Vertebrates, and a few invertebrates, have a closed circulatory system

Question 17

Annelid worms

Answer 17

are a large phylum, with over 17,000 extant species including ragworms, earthworms, and leeches

Question 18

Exoskeleton

Answer 18

is the external skeleton that supports and protects an animal’s body,

Question 19

Compound eye

Answer 19

an eye consisting of an array of numerous small visual units

Question 20

Antenna

Answer 20

either of a pair of long, thin sensory appendages on the heads of insects

Question 21

Metamorphosis

Answer 21

A change in the form and often habits of an animal during normal development after the embryonic stage

Question 22

Endoskeleton

Answer 22

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

Question 23

Water vascular system

Answer 23

is a hydraulic system used by echinoderms, such as sea stars and sea urchins, for locomotion, food and waste transportation, and respiration.