Which change in a limiting factor would increase the carrying capacity for American pikas in a talus field within an alpine tundra?
A. increase in number of rock fragments
B. decrease in number of rock fragments
C. increase in American pika population size
D. decrease in American pika population size

Many state and local authorities are making laws regarding recreation on lakes, rivers, and oceans to reduce water pollution. why would lawmakers need to consult with scientists before making these laws? a) to make scientists feel important b) so that the laws reduce pollution by a sufficient amount c) so that parks and lakefront facilities will still make large profits d) so that the public will believe that the laws are important to follow

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

The idea of spontaneous generation was disproved by in a experiment involving jars of meat