Which of the following will lead to speciation?

A. Variation in gene pool

B. Lack of mutations

C. Absence of natural selection

What does bacteria in soil feed on?

Which is considered the father of plate tectonic theory

In 2013, the average time men in the united states could run a Marathon was about four hours and 16 minutes. If a marathon is 26.2 miles, what was the average speed?

Explain why you can't fully test the lipase activity in tube 5.

Which description distinguishes the process of meiosis from mitosis? -Unlike mitotic cells, meiotic cells undergo a single division to halve their chromosome number, after which they undergo crossing over to restore their diploid state -Unlike

Which plant cell organelle breaks down chemical fuel into packets of chemical energy that can power the cell?

The population of this city is starting to increase. What does that mean? I mean, what is going on with that city?

What is known as the element of life? galactose hydrogen carbon

What is mtDNA testing?

What mineral particle is the smallest in size? A. Sand B. Clay C. Silt D. Loam