Invert. exam 1 Flashcards

Euglenozoa

Flagella and photosensitive stigma

Apicomplexa

Malaria is caused by one member

Spore-forming paratises

Apicomplexa

cirrus (i)

Reduced cilliature/ modified cilia

Ciliophora

Complex pellicle with alveoli, cilia, and kinetodesma

Choanozoa

Flagellum and a collar of microvilli

Eumycetozoa

Plasmodial slime molds

Heliozoa

Ameboid “sun animalcules” with axopodia

Dinozoa

Thecca; flagellum in longitudinal and circumferential grooves

Hypermastigea

Termite mutualists that produce cellulase

Octocorallia

A group of cnidarians within Anthozoa that includes the soft corals, the sea pansy, and the organ pipe

Archaeocytes

Totipotent cells found in sponges

Neuston

Animals that live in or on the surface of the water

Demospongiae

Bath sponges belong to which group?

Membranelle

A ring of cilia fused at the base, seen in protozoa like Vorticella

Sporozoite

The stage in the life cycle of the malaria parasite that first infects humans

Isogamy→ gametes

Which of the following is NOT asexual reproduction?

Diploid

Gametic meiosis means that the organism has a life cycle dominated by a ______

Ptychocysts

Which of these structures aids tube anemones in tube building?

Kinetodesma

Structure that connects a row of cilia and aids in metachronal synchrony?

Psammon

A word to describe organisms that live in interstitial habitat, between the sand grains.

Photic

Zone in the ocean where there is enough light for photosynthesis

Mesoglea

The jelly-like non cellular substance in between epidermis and gastrodermis in cnidarians

Polymorphism

When individuals in a colony (such as cnidarians) have different specialized functions

Cubozoa, Cestida

The class of cnidarians that includes box jellyfish or sea wasps

Diploblastic

A word referring to the number of tissue layers in ctenophora and cnidaria

Cestida: Cestum

Tape-like ctenophores with tentilla on their oral edge

Hydrozoa

A large cnidarian group with great variety whose medusae, when present, have a velum

Spongin

A unique protein that provides skeletal support in sponges

Spicules

Structure composed of calcium carbonate or silicon dioxide that gives skeletal support in Porifera

Myoneme

Contractile fibers within the pellicle or stalk of some protozoa

Colloblasts

Sticky cells used in prey capture in Ctenophora

Cnidocytes

Cnidarian stinging cells that contain nematocysts

Hexactinellida

The class Porifera that includes the glass sponges

Placozoa

Phylum of animals with the simplest body plan (“bauplan”) consisting of four cell types in two layers

Protostome

The word for animals in which the blastopore develops into the mouth during embryological development

Ctenophora

The most basal metazoan phylum according to molecular information

Colony

What do you call a large group of Protozoa?