define birth rate
the amount of individuals in a population being born in a period of time.
what happens to the remains of the energy?
the remains gets recycled by decomposers.
if you have no oxygen what else do you have none of?
no energy
what is evaporation?
is when liquid water becomes a gas (water vapor)
what do all the building blocks of all amino acids contain?
nitrogen
define growth rate
the rate of which a population is increasing or decreasing.
what kinds of things does matter include?
matter includes things like vitamins, minerals, elements, and all nutrients needed for growth and development.
what does oxygen get carried by?
red blood cells
what is transpiration?
is when plans allow water to evaporate through their leaves.
if you have no nitrogen what else do you not have?
no amino acids, no proteins
what 4 building blocks do you have to have to grow and develop?
Carbon - C
Oxygen - O
Nitrogen - N
Phosphorus - P
what does it require to do properly?
iron
what is condensation?
when water vapor cools down into liquid water.
what are proteins?
proteins are a macromolecule.
define symbiosis
any relationship in which two species live closely together.
what is all life based on?
what forms can it be found in?
O2
CO
CO2
O3
what are examples of precipitation?
rain, snow, hail, and sleet.
what are the building blocks of proteins called?
define limiting nutrient
a single nutrient that limits the growth of an ecosystem based on its availability
what is pure carbon?
coal or graphite
what is CO2?
animals and humans breath out
what is runoff?
When water moves across the surface
what do most organisms obtain through their food?
nitrogen