Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/27

Click to flip

27 Cards in this Set

  • Front
  • Back
collection of cells that are permanently associated but in which little or no integration of cell activities occurs
colonial organism
a temporary collection of cells that comes together for a period of time and then separates
aggregation
an organism that consists of many cells that are permanently associated and integrated in their activities
multicellular organism
process in which the cells of a multicellular individual become specialized during development
differentiation
a member of the kingdom Protista
Protist
slender filament that is part of the body of a multicellular fungus
hypha
in fungi, a wall-like division between cells witin a hypha; a wall that internally divides body segments in annelids; thick wall that divides the heart's atrium or ventricle into right and left halves
septum
a group of cells within a common structure and function
tissue
collection of tissues that work together to perform a particular function
organ
group of organs that function together to carry out a major activity of the body
organ system
type of plant tissue that contains specialized cells that distribute water and other nutrients within the body of a plant
vascular tissue
animal that lacks a backbone
invertebrate
animal with a backbone
vertebrate
historic term for heterotrophic protist
protozoan
historical term for photosynthetic protists--not accepted by all scientists
alga
diploid zygote that results from the pairing of gametes of opposite mating types
zygospore
life cycle in which a haploid gamete-producing individual gametophyte alternates with a diploid spore-producing individual (sporophyte)
alternation of generations
spore capsule in which haploid spores are produced by meiosis
sporangium
a protist that moves using flexible, cytoplasmic extensions
amoeba
extension of cytoplasm of the amoeba that enables it to move
pseudopodium
photosynthetic unicellular protist of the phylum Bacillariohyta
diatom
unicellular, heterotrophic protist that is a member of the phylum Zoomastigina
Zoomastigote
member of the phylum Euglenophyta
Euglenoid
in cells, one hairlike strucure in tightly packed rows that are used for movement
cilium
protist of the phylum myxomycota; characterized by multinucleate, amoeboid appearance
plasmodium
one of three stages of Plasmodium that lives in mosquitoes and is injected into humans
Sporozite
stage of the life cycle of the protist Plasmodium i which the protist divides rapidly in red blood cells and produces many more merozoites
Merozoite