Assume there are 10,000 kilocalories of energy in the leaves. Estimate the amount of energy in each of the other levels of the energy pyramid using the Rule of 10. Bear –
Red fox –
Birds –
Insects –
Leaves –

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation:

if you know your abc's you should be able to get your answer or just use google