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Traits of Life

QuestionAnswer
All living things are made of... One or more cells
Cells The basic unit of life's structure or function
Nutrition To obtain nutrients for cellular growth and repair
Autotrophic nutrition= Photosynthesis
Photosynthesis A process that uses sunlight to change inorganic compounds CO^2 and H^2O to make the organic compound glucose(food)
Photosynthesis equation 6CO^2+ 12H^2O->(light, chloroplast, enzyme) C^6H^12O^6+O^2+H^2O
Plants store the excess glucose as Starch
Heterotrophic nutrition Eats (ingest and digests food)
Ingestion Takes food in
Digestion Breaks food down (hydrolysis)
Egestion Removes indigestible waste (feces)
Heterotrophs cannot... make their own food
They must... consume and digest organic molecules
Unicellular protests are... Heterotrophic
Phagocytosis To engulf food using psuedopods
Transport To absorb and curculate materials through the cell and body
Cyclosis When unicellular organisms/protests use cytoplasm to transport materials inside them
Animal transport Most have a circulatory system (blood) for transport
Plant transport Veins filled with tubes (xylem and phloem) to carry water and disolve sugar
Respiration The process of making ATP (energy) in the mitochondria
Aerobic Respiration Food (Glucose) and O^2 are needed to do aerobic resp, which makes 36 ATP per glucose
Anaerobic Respiration No O^2 needed, but only makes 4 ATP per glucose
Excertion To remove cellular waste [CO^2, urine (urea, salt,H^2O), sweat (same ingredients)]
Regulation To detect and respond to stimuli; To control and coordinate all body activities.
The goal of regulation is to... Matain homeostasis
The human systems called the... Nervous system and endocrine systems work together to maintain homeostasis
Metabolism Any chemical reaction that keeps you alive
Reproduction To create a new cell or a new organism
Asexual reproduction Requires only one parent and makes a clone (identical copy). Used in bacteria, amoeba, skin cells.
Sexual Reproduction Requires two parents and makes a new, different individual by combining half the genes from each parent.
Reproduction is required for... the survival of the species.
A characteristic of life is... Synthesis/hydrolysis
Assimilation To become part of the body
Growth To increase in size ( by increasing the number of cells in multicellular organisms).
Locomotion To move your body from one place to another.
Equilibrium Keeping the body in a stable, balanced state. Includes all actions to matain homeostasis.
Homeostasis A stable, steady state of good health and well-being.
Many ______ are matained by homeostasis, including... Variables; temperature, blood, pH, water.
Created by: Mabel Tenesaca
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