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41 Cards in this Set

  • Front
  • Back
spontaneous generation
idea that a living thing could be created from a NON-Living thing
(i.e. a bug could be created from a rock or turtles developed from mud)
characteristics of all living things
ALL LIVING THINGS
. are made of cells (one or more)
. can move
.respond to stimulus
.reproduce
.perform complex activites called metabolisim
.grow, develop and have a life span
unicellular
living thing made of one cell
(example - ameoba)
multicellular
living thing made of more than one cell (example people, dogs)
metabolism
all chemical activities done by living things (examples: eating, digesting, pooping)
ingestion
when a living thing takes in food (example: when you eat)

necessary for a living thing to perform chemical activities (metabolism)
digestion
process where living thing breaks down the food into a simpler substances so it can be used by it for chemical processes

complex carbohydrates are broken down into simple carboydrates to be used as energy by a living thing

(example - when food is in your stomach, you are digesting
when you eat steak it must be broken down to smaller pieces so your body can use it for energy etc.)
)
respiration
when a living thing takes in oxygen and uses it to make energy
excretion
when living thing gets rid of waste

if living thing didn't get rid of waste it could kill the living thing
stimulus
any change in the environment (or surroundings) of a living thing
response
any type of REACTION (example movement, change in behavior) from a living thing caused by a change in the living things environment/surroundings

example (when you cover your ears when their is a loud noise, covering your ears is the RESPONSE to the stimulus noise)
all living things RESPOND to a STIMULUS
means that they will move, behave or do something when there is a change in their environment or surroundings
reproduction
when a living thing creates the same type of living thing (iexample creating babies, offspring)

something all living things do
sexual reproduction
reproduction that requires TWO parents (example puppies and humans are created from two parents)
asexual reproduction
reproduction that requires ONLY ONE PARENT

(example : when bacteria divides into two, or yeast forms a bud that breaks off to form new yeast)
Needs of all Living Things

WE FLOP
all living things NEED:

"WE FLOP"
.Water
.Energy
.Food
.Living Space
.Oxygen
.Proper temperature

energy
needed by all living things

living things use energy for different things (animals use energy to capture food, plants use energy to make their own food)

primary source of energy for most living things is the SUN
food and water
needed by all living things

FOOD is a source of energy for living things to grow, repair, develop

WATER is needed for living things for it perform chemical activies (example digest food, transport waste) and living things are MADE in PART from water
oxygen
needed by all living things

living things get oxygen from different sources depending on where they live (example people get it from air they breath, fish get oxygen from water)
living space
needed by all living things so they can grow, develop, find the right food and be protected

its limited so living things fight over it (compete)
competition
when living things struggle/fight with other living things to get food, water, living space etc

they do this because many of the things they need to survive are limited (not enough for all)
temperture
all living things need to maintain proper temperture to survive
homeostasis
ability of living thing to keep conditions INSIDE its body the same eventhough the conditions OUTSIDE of its environment change

(example, people sweat to cool off their bodies in hot weather, dogs pant to cool off in hot weather, snakes will lie in sun to keep warm themselves to maintain proper temperture)
biogenesis
idea that living things come only from other LIving things
plants and energy
plants use energy to MAKE its own food
animals and energy
animals use energy to CATCH their food

inorganic compound
most inorganic compounds do not contain CARBON

nonliving things are made of inorganic compounds which mean most dont have carbon

examples of inorganic compounds are rust,water, ammonia
organic compounds
compounds that contain CARBON

most compounds in living things contain carbon

organic means life
BIG FOUR ORGANIC COMPOUNDS THAT ARE IMPORTANT FOR LIVING Things

Charlie likes pizza now
"Charlie Likes Pizza Now"

.Carbohydrates
.Lipids (fats/oils)
.proteins
.nucliec acids
carbohydrate
main source of energy for living thing

sources include potatoes, noodles,rice

sugar and starch are two forms of carbohydrate

large carbohydrates are broken down into smaller carbohydrates during DIGESTION

one of the main organic compounds that living things need
sugar
type of carbohydrate (remember carbohydrates are the fuel or energy for a living thing)

also called a SIMPLE carbohydrate

formed when carbohydrate is broken down into sugar called glucose

glucose (also called simple sugar) is then used to make energy

if you have to much sugar, more than body needs it is stored
starch
type of carbohydrate (remember carbodydrates are the primary fuel/energy for a living thing)

called a COMPLEX carbohydrate

it is a sugar that is stored for later use

when the body needs it, starch is used for energy
lipids (fats / oils)
one of the main compounds needed by living things

used by body for energy and to cushion and insulate organs

fats are solid
oils are liquid
both are lipids

proteins
one of the main organic compounds needed by living things

necessary for growth and repair of body
produce antibodies that fight infection
create hormones needed for growth
create enzymes that slow or speed chemical reactions

made of amino acids

sources include meat,eggs, nuts
amino acid
building block of protein
nucleic acids
one of the main organic compounds needed for life

these are the blueprints of life
like a set of directions a builder uses to build a house

contain information that tells body how to organize amino acids so it builds the right protein

two types are DNA and RNA
DNA
type of nucleic acid

stores information needed to build a protein
tells the amino acids what order they need to be in (what sequence)
also carries information that is passed from parent to offspring(child)
RNA
type of nucleic acid

"READS" the information in the DNA and guides the building of the protein
saturated fats
bad fats from animals that can clog your blood vessels
unsaturated fats
fats from plants that generally dont clog your blood vessels
digestion
when complex carbohydrates are broken down into simple carbodydrates

they way your body breaks down food to get energy for its functions