Lab 3 Animal Diversity I

What is the Linnaean Classification?

A classification system that groups species by a given rank in a hierarchy on inclusiveness

What is the ranking for the Linnaean Classification system?

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

Are phylum porifera symmetrical?

No they are not they are asymmetrical

Do sponges have true tissue?

No they do not have true tissue

What type of digestion do Phylum Porifera have?

They have intracellular digestion where food particles must be small enough to be engulfed by the sponge cells and broken down inside the cell

What type of support do phylum porifera have?

Spongin Fibers and spicules

What is the spongocoel?

It is the hollow and most central part of the sponge

What is the osculum?

It is the mouth of the sponge

What type of animals are phylum porifera?

They are sponges

Are phylum Ctenophora symmetrical?

Yes they have radical symmetry

Does phylum Ctenophora have true tissue?

Yes they have two simple tissue

What animals are phylum Ctenophora?

they are comb jellies

Do phylum Cnidaria have symmetry?

Yes they have radial symmetry

Does phylum Cnidaria have true tissue?

Yes they have two simple tissue

Where is the tissue located in phylum Cnidaria?

The external epidermis and the internal gastrodermis

What is a cnidocytes?

They are stinging cells and functions to capture prey and defend against prey

What is nematocysts?

They are released by the cnidocytes that contain poison and barbed threads

What is the gastrovascular cavity?

Where food is broken down and nutrients are absorbed?

Do phylum Cnidaria have a gastrovascular cavity?

Yes they do

What is extracellular digestion?

It is where food is broken inside a chamber

What is an incomplete gut?

Where food is ingested and waste is secreted

Do phylum Cnidaria have an incomplete gut?

Yes they have an incomplete gut

What are the two body plans of phylum Cnidaria?

It is polyp and medusa

What is the difference between body plans polyp and medusa?

The polyp basal disk is facing upwards while medusa have their mouths pointing down and looks like a bell

What are the types of sub phylum for phylum Cnidaria?

There is subphylum medusoza and anthozoa.

What is the difference between the sub phylum for phylum Cnidaria?

Subphylum medusoza have a medusa stage whereas subphylum anthozoa do not have a medusa stage

What animals are in phylum cnidaria subphylum medusozoa?

Jellies, box jellies, and hydrozoans

What animals are in phylum cnidaria subphylum anthozoa?

corals and sea anemones