Shared Flashcard Set

Details

The Diversity of Life Ch 2
Interactive Science Series
27
Science
7th Grade
02/15/2017

Additional Science Flashcards

 


 

Cards

Term
virus
Definition
a tiny, nonliving particle that enters and then reproduces inside a living cell
Term
host
Definition
an organism that provides a source of energy for a virus or other organism
Term
parasite
Definition
an organism that lives on or in a host and causes it harm
Term
vaccine
Definition
a substance introduced in the body to help produce chemicals that destroy specific viruses
Term
bacteria
Definition
prokaryotes that lack a nucleus
Term
cytoplasm
Definition
a gel like fluid that moves structures throughout the cell
Term
ribosomes
Definition
chemical factories where proteins are produced
Term
flagellum
Definition
long, whip-like structure that helps a cell move
Term
cellular respiration
Definition
the process of breaking down food to release energy
Term
binary fission
Definition
one cell divides to form two identical cells
Term
conjugation
Definition
type of sexual reproduction where one bacterium transfers some of its genetic material into another bacterium through a thin, threadlike bridge
Term
endospore
Definition
a small, rounded, thick-walled resting cell that forms inside a bacterial cell
Term
pasteurization
Definition
when food is heated to a temperature high enough to kill harmful bacteria without changing the taste of the food.
Term
decomposers
Definition
organisms that break down large, complex chemicals in dead organisms into small, simpler chemicals
Term
protists
Definition
eukaryotes that cannot be classified at plants, animals, or fungi
Term
protozoans
Definition
animal-like protists that are unicellular
Term
pseudopods
Definition
temporary bulges of a cell
Term
contractile vacuole
Definition
a structure that collects and expels excess water from the cell
Term
cilia
Definition
hair-like projections that beat with a wave-like motion, moving an organism
Term
algae
Definition
plant-like protists that are autotrophs, can be unicellular or multicellular, and use pigments to capture the sun's energy
Term
pigments
Definition
chemicals that produce color
Term
spore
Definition
a tiny cell that is able to grow into a new organism
Term
fungi
Definition
eukaryotes that have cell walls, are heterotrophs that feed by absorbing their food, and use spores to reproduce
Term
hyphae
Definition
branching, thread-like tubes that make up the bodies of multicellular fungi
Term
fruiting bodies
Definition
spores in reproductive structures
Term
budding
Definition
a type of asexual reproduction where a new organism grows from the body of the parent organism
Term
lichen
Definition
consists of a fungus and either algae or autotrophic bacteria that live together in a relationship that benefits both organisms
Supporting users have an ad free experience!