hailey

Question 1

Vertebrates

Answer 1

Vertebrates comprise all species of animals within the subphylum Vertebrata, including all mammals, birds, reptiles, amphibians, and fish.

Question 2

. Invertebrates

Answer 2

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

Question 3

Consumer

Answer 3

consumers constitute the upper trophic levels.

Question 4

Ganglion

Answer 4

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

Question 5

. Gut

Answer 5

The gastrointestinal tract is the tract or passageway of the digestive system that leads from the mouth to the anus.

Question 6

Coelom

Answer 6

the usually epithelium-lined space between the body wall and the digestive tract of metazoans above the lower worms.

Question 7

. Bilateral Symmetry

Answer 7

symmetry in which similar anatomical parts are arranged on opposite sides of a median axis so that only one plane can divide the individual into essentially identical halves.

Question 8

Radial Symmetry

Answer 8

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

Question 9

. Asymmetry

Answer 9

The lack or absence of symmetry.

Question 10

Sponges

Answer 10

Any of numerous aquatic, chiefly marine invertebrate animals of the phylum Porifera.

Question 11

Cnidarians

Answer 11

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

Question 12

Flatworms

Answer 12

he flatworms, flat worms, Platyhelminthes, or platyhelminths are a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates.

Question 13

Roundworms

Answer 13

The nematodes or roundworms constitute the phylum Nematoda, with plant-parasitic nematodes also known as eelworms.

Question 14

Mollusks

Answer 14

Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda.

Question 15

Open circulatory system

Answer 15

Open circulatory systems are systems where blood, rather than being sealed tight in arteries and veins.

Question 16

Closed circulatory system

Answer 16

In a closed circulatory system, blood is contained inside blood vessels, circulating unidirectionally from the heart around the systemic circulatory route, then returning to the heart again.

Question 17

Annelid worms

Answer 17

The annelids, also known as the ringed worms or segmented worms, are a large phylum, with over 22,000 extant species including ragworms, earthworms, and leeches.

Question 18

. Exoskeleton

Answer 18

exoskeleton, rigid or articulated envelope that supports and protects the soft tissues of certain animals.

Question 19

Compound eye

Answer 19

A compound eye is a visual organ found in arthropods such as insects and crustaceans. I

Question 20

Antenna

Answer 20

Antennas are required by any radio receiver or transmitter to couple its electrical connection to the electromagnetic field.

Question 21

Metamorphosis

Answer 21

metamorphosis, in biology, striking change of form or structure in an individual after hatching or birth.

Question 22

Endoskeleton

Answer 22

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

Question 23

Water vascular system

Answer 23

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