this reetard

Question 1

vertebrate

Answer 1

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

Question 2

Invertebrates

Answer 2

an animal lacking a backbone, such as an arthropod, mollusk, annelid, coelenterate, etc. The invertebrates constitute an artificial division of the animal kingdom, comprising 95 percent of animal species and about 30 different phyla.

Question 3

Consumer

Answer 3

a person or thing that eats or uses something.

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

Coelom

Answer 5

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

Question 6

Bilateral Symmetry

Answer 6

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

Question 7

Radial Symmetry

Answer 7

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

Question 8

Asymmetry

Answer 8

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

Question 9

Sponges

Answer 9

A sponge is an animal that grows in one spot like most plants do. Nevertheless, sponges are quite successful. The basic body plan is a jelly-like layer sandwiched between two thin layers of cells. Their bodies are full of pores and channels allowing water to circulate through them.

Question 10

Cnidarians

Answer 10

an aquatic invertebrate animal of the p

Question 11

Flatworms

Answer 11

The flatworms are a phylum of relatively simple soft-bodied invertebrate animals. With about 25,000 known species they are the largest phylum of acoelomates. Flatworms are found in marine, freshwater, and even damp terrestrial environments. Most are free-living forms, but many are parasitic on other animals.

Question 12

Roundworms

Answer 12

Roundworms are the most common of the parasitic worms found inside a dog. Almost all dogs become infected with them at some time in their lives,

Question 13

Mollusks

Answer 13

an invertebrate of a large phylum which includes snails, slugs, mussels, and octopuses. They have a soft unsegmented body and live in aquatic or damp habitats, and most kinds have an external calcareous shell.

Question 14

Open circulatory system

Answer 14

There are two types of circulatory systems: open and closed. Although the closed system is more advanced and allows for quicker distribution, many