What is true about the number of organisms in an ecosystem? a. the population of higher trophic levels is greater than lower trophic levels b. the population of each trophic level is almost equal c. the population of higher trophic levels is less than lower trophic levels d. the population relationships depend on the ecosystem

Malthus studied limited resources and the impact of limited resources on human populations. how did these ideas contribute to darwin's ideas? a. limited resources in an environment means that the individuals of a species cooperate so that all individuals survive. b. limited resources in an environment forces some individuals to survive without food. c. limited resources in an environment means that not all individuals of a species will survive or reproduce at equal rates. d. limited resources in an environment forces more genetic changes in individuals, allowing the species to evolve more quickly.