Biology 20 And 22 Key Terms

Front 1

a temporary collection of cells that comes together for a period of time and then separates

Back 1

Aggregation

Front 2

Historical term for photosynthetic protists – not accepted by all scientists

Back 2

Alga

Front 3

life cycle in which in which a haploid gamete –producing individual (gametophyte) alternates with a diploid spore-producing individual (saprophyte)

Back 3

Alternation of generations

Front 4

a protist that moves using flexible, cytoplasmic extensions

Back 4

Amoeba

Front 5

in cells, one hairlike structure in tightly packed rows that are used for movement

Back 5

Cilium

Front 6

collection of cells that are permanently associated but in which little or no integration of cell activity occurs

Back 6

Colonial Organism

Front 7

photosynthetic unicellular protist of the phylum Bacillariophyta

Back 7

Diatom

Front 8

: process in which the cells of a multicellular individual become specialized during development

Back 8

Differentiation

Front 9

members of the phylum Euglenophyta

Back 9

Euglenoid

Front 10

slender filament that is part of the body of a multicellular fungus

Back 10

Hypha

Front 11

animal that lacks a backbone

Back 11

Invertebrate

Front 12

stage of the life cycle of the protist Plasmodium in which the protist divides rapidly in red blood cells and produces many more merozoites

Back 12

Merozoite

Front 13

an organism that consists of many cells that are permanently associated and integrated in their activates

Back 13

Multicellular Organism

Front 14

collection of tissues that work together to perform a particular function

Back 14

Organ

Front 15

group of organs that function together to carry out a major activity in the body

Back 15

Organ System

Front 16

protist of the phylum Myxomycota; characterized nu multinucleate amoeboid appearance

Back 16

Plasmodium

Front 17

a member of the kingdom Protista

Back 17

Protist

Front 18

historic term for a heterotrophic protist

Back 18

Protozoan

Front 19

extension of cytoplasm of the amoeba that enables it to move

Back 19

Pseudopodium

Front 20

in fungi, a wall-like division between cells within a hypha; wall that internally divides body segments in annelids; thick wall that divides the heart’s atrium or ventricle into right and left halves

Back 20

Septum

Front 21

spore capsule in which haploid spores are produced by meiosis

Back 21

Sporangium

Front 22

one of three stages of Plasmodium that lives in mosquitoes and its injected into humans

Back 22

Sporozoite

Front 23

group of cells with a common structure and function

Back 23

Tissue

Front 24

type of plant tissue that contains specialized cells that distribute water and other nutrients within the body of the plant

Back 24

Vascular Tissue

Front 25

animal with a backbone

Back 25

Vertebrate

Front 26

unicellular, heterotrophic protist that is a member of the phylum Zoomastigina

Back 26

Zoomastigote

Front 27

Diploid zygote that results from the pairing of gametes of opposite mating types

Back 27

Zygospore

Front 28

Slipper Animal

Back 28

Paramecium

Front 29

Regulates water contact

Back 29

Contractile Vacuole

Front 30

involved in conjugation

Back 30

Micro Nucleus

Front 31

Digests food

Back 31

Food Vacuole

Front 32

activity of cell

Back 32

Macro Nucleus

Front 33

used in movement

Back 33

Cilia

Front 34

used in defense

Back 34

Trichocysts

Front 35

channels food into paramecium, eating

Back 35

Oral Grove

Front 36

Gives paramecium a specific shape

Back 36

Pellicle

Front 37

Channels food into food vacuole

Back 37

Gullet

Front 38

Gullet is constantly forming food vacuole

Back 38

Forming Food Vacuole

Front 39

Remove waste

Back 39

Anal Pore

Front 40

movement and getting food

Back 40

Pseudopodia

Front 41

Does not give shape

Back 41

Cell membrane

Front 42

Digests Food

Back 42

Food vacuole