Chapter 1- The Study of Life Flashcards
(28 cards)
Metabolism
How much you can eat without getting fat // sum total of all processes in an organism that convert energy & matter from outside sources & use that energy & matter to sustain the organisms life functions
Anabolism
Total of all processes in an organism which use energy to make structures necessary for life
Catabolism
All the processes in an organism that break down chemicals to make energy
Photosynthesis
Plants that get energy from sunlight to convert to food
Herbivores
Organisms that only eat plants
Carnivores
Organism that only eat meat
Omnivores
Organisms that eat both plants & meat
Producers
Organisms that produce their own food
Consumers
Organisms that eat living producers &/or other consumers for food
Decomposers
Organisms that break down the dead remains of other organisms
Autotrophs
Organisms that make their own food
Heterotrophs
Organisms that depend on other organisms for food
Receptors
Special structures that allow living organisms to sense the conditions of their internal/external environment
Asexual Reproduction
Kids w/ yourself
Sexual reproduction
Sex w/ others
Inheritance
Genes/ characteristics you get from your parents
Mutation
Abrupt changes in DNA compared to parents
Hypothesis
An educated guess that attempts to explain an observation of answer a question
Theory
A hypothesis that has been tested with a significant amount of data
Scientific law
A theory that has been tested by and is consistent with generations of data
Microorganism
Living creatures that are too small to see with the naked eye
Abiogenesis
The idea that long ago very simple life forms spontaneously appeared through chemical reactions
Prokaryotic cell
A cell that has no distinct membrane bound organelles
Eukaryotic cell
A cell with distinct membrane bound organelles