Invertebrates

Question 1

Porifera

Answer 1

Sponge is in this phylum.

Question 2

Cnidaria

Answer 2

phylum containing over 10,000 species of animals found exclusively in aquatic environments: they are predominantly marine species.

Question 3

Annelida

Answer 3

also known as the ringed worms or segmented worms, are a large phylum, with over 17,000 extant species including ragworms, earthworms, and leeches

Question 4

Hydroid

Answer 4

field-proven technology leader in advanced marine robotics specifically, Autonomous Underwater Vehicles

Question 5

Jellyfish

Answer 5

major non-polyp form of individuals of the phylum Cnidaria. They are typified as free-swimming marine animals consisting of a gelatinous umbrella-shaped bell and trailing tentacles.

Question 6

Platyhelminthes

Answer 6

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

Question 7

Nematoda

Answer 7

Roundworms, diverse animal phylum inhabiting a very broad range of environments

Question 8

Pinworms

Answer 8

also known as threadworm or seatworm, is a parasitic worm. It is a nematode and a common intestinal parasite or helminth, especially in humans

Question 9

Tapeworms

Answer 9

Cestoda is a class of parasitic flatworms, of the phylum Platyhelminthes.

Question 10

Bivalves

Answer 10

referred to as the Lamellibranchiata and Pelecypoda, comprise a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts

Question 11

Cephalopods

Answer 11

any member of the molluscan class Cephalopoda. These exclusively marine animals are characterized by bilateral body symmetry, a prominent head, and a set of arms or tentacles modified from the primitive molluscan foot.

Question 12

Gastropods

Answer 12

commonly known as snails and slugs, are a large taxonomic class within the phylum Mollusca.

Question 13

Coelomate

Answer 13

have a fluid filled body cavity called a coelom with a complete lining called peritoneum derived from mesoderm

Question 14

Acoelomate

Answer 14

an invertebrate lacking a coelom

Question 15

Radial Symmetry

Answer 15

organism can be divided into similar halves by any plane that contains the main axis.

Question 16

Asymmetry

Answer 16

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

Question 17

Bilateral Symmetry

Answer 17

characteristic of animals that are capable of moving freely through their environments.

Question 18

Tentacle

Answer 18

slender flexible limb or appendage in an animal, especially around the mouth of an invertebrate, used for grasping, moving about, or bearing sense organs

Question 19

Cnidocyte

Answer 19

explosive cell containing one giant secretory organelle or cnida that defines the phylum Cnidaria corals, sea anemones, hydrae, jellyfish, . Cnidae are used for prey capture and defense from predators.

Question 20

Ectoderm

Answer 20

utermost layer of cells or tissue of an embryo in early development, or the parts derived from this, which include the epidermis and nerve tissue.

Question 21

Endoderm

Answer 21

one of the three primary germ layers in the very early human embryo.

Question 22

Ovary

Answer 22

female reproductive organ in which ova or eggs are produced

Question 23

Teste

Answer 23

Male reproductive organ