Suppose there is a dog that is infested with fleas. Draw both a biomass pyramid and a pyramid of numbers involving the dog and the fleas. Make sure to include appropriate quantities and units on both pyramids. Use the metric system for the biomass pyramid.

The energy of blowing wind can be harnessed to create electricity. why is wind considered a renewable energy source? a) wind does not cause destruction of the environment.b) wind turns the blades of a windmill that creates electricity.c) wind provides only a very small amount of electricity to the united states.d) wind comes from atmospheric conditions that are available indefinitely.

Metamorphic rocks are formed when sedimentary or igneous rocks are subjected to heat or pressure and recrystallize without melting. which of the following rocks results from the metamorphism of limestone? a. granite b. slate c. sandstone d. marble

Which feature of a human community is similar to a niche in a biological community