Module #3 Vocabulary

Question 1

Pseudopod

Answer 1

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

Question 2

Nucleus

Answer 2

The region of a eukaryotic cell that contains the cell’s main DNA

Question 3

Vacuole

Answer 3

A membrane-bounded “sac” within a cell

Question 4

Ectoplasm

Answer 4

The thin, watery cytoplasm found in the interior of many cells

Question 5

Endoplasm

Answer 5

The dense cytoplasm found in the interior of many cells

Question 6

Flagellate

Answer 6

A protozoan that propels itself with a flagellum

Question 7

Pellicle

Answer 7

A firm, flexible coating outside the plasma membrane

Question 8

Chloroplast

Answer 8

An organelle containing chlorophyll for photosynthesis

Question 9

Chlorophyll

Answer 9

A pigment necessary for photosynthesis

Question 10

Eyespot

Answer 10

A light-sensitive region in certain protozoa

Question 11

Symbiosis

Answer 11

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

Question 12

Mutualism

Answer 12

A relationship between two or more organisms of different species where all benefit from the association

Question 13

Commensalism

Answer 13

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

Question 14

Parasitism

Answer 14

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

Question 15

Cilia

Answer 15

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

Question 16

Spore

Answer 16

A reproductive cell with a hard, protective coating.

Question 17

Plankton

Answer 17

Tiny organisms that float in the water

Question 18

Zooplankton

Answer 18

Tiny floating organisms that are with small animals or Protozoa

Question 19

Phytoplankton

Answer 19

Tiny floating photosynthetic organisms, primarily algae

Question 20

Thallus

Answer 20

The body of the plant-like organism that is not divided into leaves, roots, or stem

Question 21

Cellulose

Answer 21

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

Question 22

Holdfast

Answer 22

A special structure used by an organism to anchor itself

Question 23

Sessile Colony

Answer 23

A colony that uses holdfasts to anchor itself to an object

Question 24

Algae

Answer 24

Sub kingdom made of mostly eukaryotic colonies of eukaryotic cells that have no form of locomotion.

Question 25

Protozoa

Answer 25

Sub kingdom made of mostly individual, single celled creatures with a form of locomotion.