Phylum Characteristics & Cell Structures

Fill-in-the-blank flashcards covering major phyla, notable species, and listed cell organelles from the lecture notes.

Phylum __ are soft-bodied invertebrates with bilateral symmetry.

Mollusca

Examples of Phylum Mollusca mentioned in the notes include slugs, octopus, snail, __, and mussel.

clams

Phylum __ lack a mesoderm and are asymmetrical.

Porifera

Organisms classified under Phylum Porifera are commonly known as __.

sponges

Jellyfish belong to Phylum __.

Cnidaria

Flatworms, tapeworms, flukes, and Planaria are all members of Phylum __.

Platyhelminthes

Hookworm, Ascaris, and pinworms are listed under Phylum __.

Nematoda

The so-called "immortal" jellyfish is scientifically named __.

Turritopsis dohrnii

The longest nematode mentioned is __ gigantissima.

Placentonema

According to the notes, a sperm whale can reach about __ feet in length.

30

"Penis fencing" is noted as a __ ritual.

mating

The cell structure that houses DNA, alongside chromatin, is the __.

nucleus

Cell organelles listed include chromatin, centrioles, nucleolus, and the __ membrane.

plasma

Mitochondria, lysosome, and __ are all part of the cell’s internal machinery mentioned in the notes.

cytoskeleton

The __ endoplasmic reticulum lacks ribosomes on its surface.

smooth

Proteins are modified and packaged in the __ apparatus.

Golgi

Protein synthesis occurs on __, which can be free or attached to rough ER.

ribosomes

The __ endoplasmic reticulum is studded with ribosomes.

rough