life Flashcards
hierarchy of life
biosphere, biomes, ecosystems, communities, populations, species, individual organisms, organ systems, organs, tissue, cells, organelles, biomolecules, molecules, atoms, sub-atomic particles
biosphere
all life on earth
biomes
area with particular
life forms and a particular
climate.
ecosystems
living and nonliving factors in this area
community
all living beings in one area
population
same species living in the same area at the same historical period
species
similar organisms that can interbreed and reproduce (German and poodle? yes, horse and zebra? no)
individual organisms
multiple organisms
organ systems
organs together
organs
made of tissue (heart, lungs, liver, etc.)
tissue
made up of multiple cells
cell
basic unit of structure and functioon
organelles
cell parts
biomolecules
life chemicals found in living organisms
molecules
group of atoms
atoms
in all elements
sub-atomic particles
protons, neutrons, electrons
what are the CHARACTERISTICS OF LIFE? (8)
- metabolism
- homeostasis
- reproduction
- grow & develop
- made of cells
- respond to environment
- evolution
- organization
what does it mean to be alive?
have all 8 of the characteristics of life
what are the 4 biomolecules
protein, lipids, carbohydrates, nucleic acids
what’s protein function
structure
what’s proteins structure
linked amino acids
what are the protein types?
1 type (enzymes)
examples of protein food
meat & eggs
