what is 1 tier below apex predator
secondary consumers
what does the Helicase do
unzips the DNA, making 2 single strands
when do prezygotic barriers form
before zygote formation
what part of the energy pyramid are mushrooms
Decomposers
what does the Primase do
"Primes" the DNA
what is temporal isolation
when 2 species mate at different times
animal that hints and kills for food
predator
what does ligase do
sticks DNA together
what is extinction
permanant loss of a species
what percent of biomass goes to the next trophic level
10%
what do SSB proteins attach to
unzipped DNA
what is a mass extinction
over 50% of a species die in a short amount of time
would a bear eat a fish or fish eat a bear
bear eat a fish
what is DNA polumerase
Builder Enzyme
what is speciation
forming a new species