Exam 1 Flashcards

Basic Unit of life

Cell

Different kinds of organisms interacting and living in the same geographic area

Community

Many planes passing through the longitudinal axis can divide the body into two similar halves

Radial symmetry

On a bilateral animal, parts nearer to the middle

Proximal

Most animals have complete gut formation

True

The second embryonic opening becomes the adult mouth

Deuterostomes

Mesoderm cells line the outer edge of the blastocoel and also line the gut activity causing two body cavities to be formed

Coelomate

In reference to “when a human life begins” which is not, biologically speaking, end stage

Zygote

Which scientist began the binomial naming system of organisms

Carl Linnaeus

Which of the following was the proper presentation of the species name for a white-tailed deer

Odocoileus virginianus

Which taxonomic group comes after oder

Family

Kings Play Chess on Fiber Glass Stools

Kingdom-Phylum-Class-Order-Family-Genus-Species

The organ and diversification of a taxonomic group

Phylogeny

A derived character state shared by members of a clade

Synapomorphy

According to cladistics, a taxon that includes the most recent ancestor of the group and all the descendants of that ancestor is

Monophyletic

Paraphyletic

descended from a common evolutionary ancestor or ancestral group, but not including all the descendant group

Polyphyletoic

derived from more than one common evolutionary ancestor or ancestralgroup and therefore not suitable for placing in the same taxon.

Structure that have been proposed to have been passed on from a common ancestor because they are similar in structure

Homologous structures

A specimen that is labeled and deposited in a museum that serves as a guide to the general morphological characters of the species

Type specimen

A symbiotic relationship where both organisms benefit

Mutualism

A feeding strategy that uses inorganic chemicals and energy to produce organic chemicals

Autotrophic

An organelle that some unicellular eukaryotes use to expel excess liquid to help with osmoregulation

Contractile vacuole

In ciliates which is the most involved in reproduction

Micronucleus

A dinoflagellate that lives in a mutualistic association within tissues of reef building coral s

Zooxanthellae

Another word for shell

Test

The genus responsible for Malaria

Plasmodium

Shelled amebas with slender pseudopods that are abundant in the fossil records and are responsible for the White Cliffs of Dover

Foraminifera

Spongin is Mae out of

Collagen

Sponges with skeletons of mixed-rayed silica spicules are in this class

Hexactinellida

Natura; bath spores belong to this class

Demospongiae

Internal buds found mostly in freshwater sponges that help them survive winter or drought

Gemmules

Choanocytes occur in which phylum

Porifer

The design for the canal system where water enters through the Ostia and into incurrent canals which leads to chambers I=and then to excurrent canals

Leuconoid

The phylum whose organisms capture prey with tentacles covered with glue-like material

Ctenophora

Can asexually reproduce through pedal laceration

anemones

Having both male and female gonads in the same organisms

Monoecious

Freshwater jellyfish belong to which class

Hydrozoa

corals belong to which class

Anthozoa

The middle layer of inert gelatinous material found in cnidarians

Mesoglea

Bell or umbrella shaped bodies mouth centered on the concave (subumbrellar)

Medusa

A colony that has a pneumatophore and will drift on to southern beaches

A portuguese man-of-war

Platyhelminthes are diploblastic

False

The auricles that occur in planar are for

Chemical reception

The host in which sexual reproduction occurs

Definitive host

Shistosoma flukes are

Dioecious

Dioecious Definition

having the male and female reproductive organs in separate individuals.

Monoecious

having both the male and female reproductive organs in the same individual

Can cause large basketball size cysts in the liver of humans

Hydatid dog tapeworm

The class of platuhelminthes that has a ciliated epidermis

Turbellaria

The vlass of Platyhelminthes that can have suckers and/or hooks on the scolex

Cestoda

In the life cycle of the Chinese live fluke which stage is able to bore into the muscles pf the fish

Cercaria

The syncytial tegument in Platyhelminthes provides

Protection against the host

In this disease thee mail ill effects are caused by the eggs which can cause ulceration of the intestinal and bladder walls and cirrhosis of the liver

Shistoma

Nematocysts are indicative of this phylum

Cnidaria