A type of repoductive isolation that results in two or more seperate species because there is a
separation of populations by unique
mating/courtship behavior or timing.

The bacteria found in a soil is usually harmful and measure are taken to remove any traces of microorganisms 1. true 2. false

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.

Read the article and use the information to answer the following questions hormones follicle-stimulating hormone (fsh) is produced by the . its role is to . luteinizing hormone (lh) is produced by the . its role is to