Shared Flashcard Set

Details

Basic biological concepts
Basic biological concepts
30
Agriculture
Undergraduate 1
09/20/2009

Additional Agriculture Flashcards

 


 

Cards

Term
Theory
Definition
a coherent set of related and well tested hypotheses that explain a broad set of obervations and that guide scientific research
Term
Generative processes
Definition
processes that result in a growth of an organism or an increase in the number of organisms.
Term
biogenesis
Definition
living things arise only from pre-existing life
Term
spontaneous generation
Definition
life arises from non-living material
Term
cellular organizations
Definition
all living systems are composed of one or more cells. The cell is the fundamental unit of life.
Term
What is a cell?
Definition

-bounded by plasma membran composed of lipids.

-contains genetic material (usually DNA)

-contains a gel-like cytoplasm in which proteins and other substances are suspended

Term
[image]
Definition

-plasma membrane

-single chromosome in circular form (plasmid)

-often a cell wall

-cytoplasm with ribosomes

-no internal sub-cellular compartments
(organelles)

-bacteria

Term
[image]
Definition

Plasma membrane
Numerous internal sub-cellular compartments
(organelles)
True nucleus
Cytoplasm with ribosomes
Multicellular and unicellular

Term
Metabolism
Definition
metabolic processes include all the chemical reactions and associated energy transfers needed for an organism to grow maintain itself, reproduce, etc.
Term
most metabolic processes are carried out by proteins called
Definition
enzymes
Term
taxonomy
Definition
the science of naming describing, identifying and classifying 1.5 million organisms.
Term
Why is taxonomy important?
Definition

-it provides a means of unambiguous communication amount scientists

-cataloguing the diversity of life that is an important

Term
Carl Linne
(Carl Linnaeus)
Definition
-born in 1707
-1758 published Systema Naturae-binomal system used to name organisms.
Term
The language of taxonomy is
Definition
Latin
Term
Carl Linnaeus
Definition
published Systema Naturae, in which the binomial system was used to name organisms.
Term
Language of taxonomy:
Definition
Latin
Term
The science of taxonomy was radically altered by the...
Definition
theory of evolution.
Term

Why is taxonomy important?

(2 reasons)

Definition

-provides communication amoung scientists

-Catalouging diversity

Term
Fundamental unit of taxonomy
Definition
species
Term
What is a species?
Definition
A distinct type or kind of organism. 

Modern biologists-"a species is a group of actually or potentially interbreeding populations that are repoductively isolated from other groups"
Term
Every species has a 2 part binomial name:
Definition
(1st) Genus Name

(2nd) Specific Epithet
Term
heiarchy
Definition
a body of entities arranged in a graded species
Term
heiarchial Classification System
Definition

Kingdom

Phylum

Class

Order

Family

Genus

Species

Term
generative processes
Definition
processes that result in the growth of an organism or an increase in the number of organisms.
Term
organelles
Definition
cellular parts consisting of or bounded by membranes
Term
mitochondria
Definition
organelles in eucaryotic cells that produce most of the energy richATP that cells use.
Term
Who were the first to make attemps at taxonomy?
Definition
The Greeks and Romans
Term
The science of taxonomy was radically altered by
Definition
 the theory of evolution.
Term
Heiarchy
Definition

a body of entities arranged in a graded series

-Taxonomic classification is heirachial

Supporting users have an ad free experience!