If a colony of 10 bacteria begin dividing once every 24 hrs, how long would it take to get 320 bacteria?
48 hours
144 hours
0 72 hours
120 hours

Answer asap 50 points which of the following distinguishes the soil composition of grassland? 1. the soil supports large trees with thick, long roots, so horizon b needs to be deep enough to sustain larger flora. 2. the soil supports large trees with thick, long roots, so horizon a needs to be deep enough to sustain larger flora. 3. the soil supports small plants and shrubs with short roots, so horizon a needs to be deep enough to sustain smaller flora. 4. the soil supports small plants and shrubs with short roots, so horizon b needs to be deep enough to sustain smaller flora.

Which is not a reason to gentically modify an organism? a.changing the dna of a crop plant to make it resistant to pesticides b.changing the dna of a crop plant to make it produce more yield per acre c.changing the dna of a crop plant to make it resistant to insects d.changing the dna of a crop plant to make it more susceptible to pest insects

Natalie’s white rabbit had a litter of six bunnies. four bunnies were black and two bunnies were white. the father of the bunnies is black. natalie wondered why there were more black bunnies than white bunnies in the litter. a. all of the black bunnies are male and the white bunnies are female. b. the fur color has nothing to do with the parents. it depends on the environment. c. the bunnies got more traits for fur color from their father than from their mother. d. there are fewer white bunnies because they do not survive as well as black bunnies. e. there are more black bunnies because father rabbits have stronger traits for fur color than mother rabbits. f. each parent contributed the same amount of information about fur color during reproduction. g. there must have been something wrong because black rabbits and white rabbits should produce grey rabbits.