The florida everglades is a unique wetland ecosystem that is constantly undergoing change. what are the main parts of the ecosystem?
all the populations of plants and predators
all the water populations and land populations
all the biotic factors
all the populations and the surrounding enviornment

Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry

Plz fast biotechnology is a growing field of applied biology. many crops such as corn have been engineered to be resistant to herbicides. therefore farmers can spray these chemicals to kill weeds growing near the crop without worries of killing the crop itself how does this type of biotechnology work? a. by changing the genetic make up of the crops. b. by causing the crops to kill the weeds. c. by changing the type of crops used. d. by changing the location of the crops.