CHARACTERISTICS OF LIFE (1st discussion) Flashcards
The study of Life
BIOLOGY
Characteristics/Properties of Life (7)
• M (Metabolism)
• R (Respond to Stimuli)
• G (Growth & Development)
• R (Reproduction)
• E (Evolve & Adapt)
• C (Composed of cells (+1) )
• H (Homeostasis)
All living organisms obtain & use energy to grow, develop, repair damage, and reproduce
METABOLISM
Living organisms that produce their own food (from CO2, H2O, & the sun) upon which the entire ecosystem depends
PRODUCERS
Plants and other photosynthetic organisms
PRODUCERS
Living organisms that obtain nutrients and energy from consuming the food made by producers
CONSUMERS
animal is what kind of living organisms?
CONSUMER
Process of building up complex substances from simpler substances
ANABOLISM
• Building up cells and cellular components
• Photosynthesis
ANABOLISM
Process of breaking down complex substances into simpler substances to release energy
CATABOLISM
• Digestion
• Cellular Respiration
CATABOLISM
Anabolism + Catabolism = ?
METABOLISM
ALL ORGANISMS GROW & DEVELOP
GROWTH & DEVELOPMENT
Organisms react to stimuli such as:
• Light
•Temperature
•Odor
•Sound
•Gravity
•Heat
•Water
•Pressure
means to get bigger in size
GROWTH
involves a change in the physical form or physiological make-up of an organism
DEVELOPMENT
is the process of producing new organisms of the same type
REPRODUCTION
A single parent organism reproducing by itself
ASEXUAL REPRODUCTION
Two different parent organisms contribute genetic information
SEXUAL REPRODUCTION
Involves the combination of male and female sex cells
SEXUAL REPRODUCTION
• carry hereditary information
• are composed of DNA
GENES
is the reason children resemble their parents
HEREDITY
change DNA code and can be passed from generation to generation
MUTATIONS
All Living Things Adapt to Their Environment Through _____
EVOLUTION
A process that enables organisms to become better suited to their environment
ADAPTATION
Species obtain adaptations through _______, which occurs over great periods of time
EVOLUTION
Smallest unit capable of all life functions
CELLS
Entire organism is made up of one single cell such as Bacteria and protists
UNICELLULAR
• The organism is made up of many cells
• Cells have specialized functions within the organism
MULTICELLULAR ORGANISMS
A stable state of conditions in the body that are necessary for life such as:
• Body temperature
• Blood volume
• pH balance
• Water balance
All Organisms Maintain HOMEOSTASIS
Ability of an organism to maintain relatively constant internal conditions
HOMEOSTASIS
______ contribute to homeostasis
ALL ORGAN SYSTEMS
Consist of organic molecules —organized to form cells
LIVING ORGANISMS