levels of organism
the building blocks of protein
what is amino acid?
cohesion is surface tension
Cohesion
the main form of stored energy in animals
triglycerides
mixture of two substances
solution
energy is emitted during the reaction
Exothermic
all populations in an area
whats community?
is the tendency of water to stick to other substances.
adhesion
the major components of cell membranes
phospholipids
contain Carbon and are found in living organisms
organic compound
Matter cannot be created or destroyed under normal conditions
Conservation of Matter
all the living organisms
whats an ecosystem?
the combined force of attraction among water molecules and with the molecules of surrounding materials causing a liquid to climb upward against the force of gravity
capillary action
serve as chemical messengers and have other roles
steroids
have a definite make up
Chemical Substances
energy is absorbed during the reaction
Endothermic
a large geographic region on Earth
biome
is a force that acts on the particles at the surface of a liquid.
surface tension
contain maximum number of hydrogens, straight chains, solid at room temp., found in animals
saturated fatty acids
all the same type of atom
Element
energy required to start a chemical reaction
Activation Energy
the sum of all Earth's ecosystems in the air
biosphere
amount of heat needed to increase the temperature of 1 kg of a substance by 1°C. Compared to other substances, water requires a lot of heat to increase its temperature
specific heat
have a double bond between carbons, bent or curved shape, liquid at room temp, found in plants
unsaturated fatty acids
2+ elements bonded together
Compound
sum of all the reactions within an organism
metabolism