Module 3 Vocabulary

A temporary, foot-like extension of a cell, used for locomotion or engulfing food.

The region of a eukaryotic cell that containing the cells main DNA.

A membrane-bounded “sac” within a cell.

The thin, watery cytoplasm near the plasma membrane.

The dense cytoplasm found in the interior of many cells.

A protozoan that propels itself using a flagellum.

A firm, flexible coating outside the plasma membrane

An organelle containing chlorophyll for photosynthesis.

A pigment necessary for photosynthesis.

A light-sensitive region in certain protozoa.

A close relationship between two or more species where at least one benefits.

A relationship between two or more species where all of them benefit.

A relationship between two organisms of different species where one benefits and the other is neither harmed nor benefited.

A relationship between two organisms of different species where on benefits and the other is harmed.

Harilike projections that extend from the plasma membrane and are used for locomotion.

A reproductive cell with a hard, protective coating.

Tiny organisms that float in the water.

Tiny floating organisms that are either small animals or protozoa.

Tiny floating photosynthetic organisms, primarily algae.

The body of a plant-like organism that is not divided into leaves, roots, and stems.

A substance (made of sugars) that is common in the cell walls of many organisms.

A special structure used by an organism to anchor itself.

A colony that uses holdfasts to anchor itself to an object.