Characteristics of Life and Level of Organization Flashcards
How many characteristics of life are there?
8
All organisms have a genetic code made up of ______ .
DNA
Growth is _________________ .
increase in mass
Development is ___________ .
change in structure
Living things ______ to their environment.
respond
Sexual Reproduction: genetic information received from _____ parents
two
Asexual Reproduction: genetic information received from ____ parents
one
What is homeostasis?
The process where internal conditions are kept constant for survival
What is the smallest unit of an organism?
a cell
What is evolution?
the change in a population over time
Molecular Level: Molecules are made up of ______ .
atoms
Molecule: short term eneregy
carbohydrates
Molecules: long term energy storage, provides innsulation
lipid
Molecule: provide structures and act as an enzyme
protein
Molecule: store genetic materials (DNA and RNA)
nucleic acid
Which level?
a. All living things have at least one cell
b. Cells come from pre-existing cells
c. Cells are the smallest units of life
cellular level
Which level?
A group of cells that performs a specific function in a multicellular organism
tissue level
Which level?
Several different types of tissues that work together for a specific purpose
organ level
Which level?
Several organs that work together to perform a function
organ system level
Which level?
An individual living thing
organism level
Which level?
A group of organisms of the same species that live in the same location
population level
Which level?
All the different species of organisms in a particular location
community level
Which level?
The community of living organisms as well as the abiotic (non-living) factors of the environment
ecosystem level
Which level?
Large ecosystems that have the same climate and community of organisms
biome level