A colony of bacteria is growing in a petri dish which has a maximum capacity of 120mg. The mass of bacteria is increasing at a rate given by the logistic equation. Initially there is 2mg of bacteria and the rate of increase is 1mg per day. Write down the logistic equation satisfied by the mass, m. m' =When will the mass of bacteria be 60mg? number of days =What is the mass (in GRAMS) of bacteria 10 days after the mass was 2mg? mass =

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.