Why was the reduction of the bison population to under 1,000 individuals a bottleneck event for the species? a. it drastically reduced the gene pool of the species. b. it reduced the territorial range available to the species. c. foreign genes were introduced by crossbreeding with cattle. d. it reduced the prevalence of recessive traits.

Researchers want to use edna to look for an invasive species in the water which of the steps would be likely do last

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

In 2015, about ten percent of total u.s. energy consumption was from renewable energy sources. renewable energy plays an important role in reducing greenhouse gas emissions. when renewable energy sources are used, the demand for fossil fuels is reduced. sanjay and his family want to cut back on their use of non-renewable resources at home. they are thinking of an alternate way to heat their home without adding more greenhouse gases or pollutants to the environment. which renewable resource would not fit into their plan? a) solar power b) burning wood c) constructing a wind turbine eliminate d) generating hydroelectric power