The doubling time of a type of bacteria is 20 minutes. if every bacterium reproduces, then after 20 minutes a population of 8 bacteria will have grown approximately to what size?
a. 64 bacteria
b. 16 bacteria
c. 10 bacteria
d. 28 bacteria

Name one similarity and one difference between the morphology of a brachiopod and a bivalve

Why is earth's outer core hotter than earth’s oceanic crust? earth’s oceanic crust is denser than earth’s outer core is. earth’s oceanic crust has lava flowing from the mantle. earth’s outer core has a composition of solid iron and nickel. earth’s outer core is deeper within earth than oceanic crust is.

All annelids and arthropods have a blank body plan . unlike annelids, arthropods also have blank . the circulatory system of annelids is blank , while circulatory system of arthropods is blank .