biology Flashcards
how many charecteristics of life are there
8
what are the charecteristics of life mr cheddr
metabloism reproduction, cells, homeostasis, evolution, dna, development and growth, response to stimuli
what is the sum of the total of biochemical reactions occuring in an organism called
metabolism
during what process do organisms capture energy from the sun and convert it to chemical energy
photosynthasis
what happens during cellular respiration
organism use chemical energy stored in the molecules they consume to power lifes activites
what is the process of making the next generation of organism
reproduction
defantion of asexual reproduction
a single organism produces
defanition of sexual reproduction
sperm egg from two individual parents unite to create new offsprings
what are gametes
sperm and egg
what is the basic unit of structure and function of living organsims
cells
what is multicellur
composed of more than one cell
what forms tissue
cells
what do tissues form
organs
what do organs work togeather to form
organ system
what is unicellur
single celled
organs, cells, tissue, organelles, organ system
true of false
false
organelles, cells, tissues, organs, organ systems
true or false
true
what is homeostasis
the maintnence of a stable internal enviorment, despite a chanaging external enviorment
what do all body systems work together to mainian
homeostasis
what do living things regulate to maintain the narrow range of conditions needed for cell function
homeostasis
what is evolution
a genetic makeup of a population may change over long periods of time.
what is the universal genetic code
DNA
what dose DNA store
genetic information needed to grow reproduce and preform life sustaining cell activities
what do you need DNA to do
grow, reproduce, and preform life sustaing cell activites
