macromolecules
is the most common macromolecules
carbohydrates.
is how fast the population is growing
growth.
the first step of the nitrogen cycle
bacteria through nitrogen fixation and nitrification(converts nitrogen into usable form).
one species consumes other for energy.
predation.
when electrons are transferred between atoms.
what is Ionic Bonds?
has three fatty acids.
lipids.
how many are in a population.
abundance.
the second step in the nitrogen cycle.
plants take nitrogen in to make proteins.
a predator kills and consumes another living thing.
true predation.
when atom share electrons.
covalent bond.
organic compounds composed of amino acids.
proteins.
plenty of resources means what.
high birth rate.
the third step in the nitrogen cycle
animal eats plant and the nitrogen becomes part of animals proteins.
feeds off of plants
grazing.
fill in the blank
energy is required when bonds are__
formed
is what makes up DNA and RNA
nucleic acids.
as population increases...
resources decrease
the forth step in the nitrogen cycle.
animal dies and decomposes,returning the nitrogen back to the soil.
one organism feeds off another for an extended period of time.
parasitism.
carbon atoms can form a variety of what?
large and complex molecules.
name all functions of proteins.
matains shape,speed up chemical reactions,some are antibodies and carry materials.
plenty of resources means...
high birth rate.
true or false the nitrogen cycle is only used once.
false.
when two or more organisms require the same limited resource.
competition.
there are about how many carbon containing organic compounds?
10 million.