2points
the chart shows four stages of demographic transition
stage 1
preindustrial
stage
stage 2
transitional
stage
stage 3
industrial
stage
postindustrial
stage
rate per 1000
- total population
-
death rate
birthrate
which stage is characterized by high birth and death rates?
o
a. industrial
o
b. transitional
o
c. preindustrial
o
d. postindustrial

Does mitochondria still meet the definition of a eukaryote why or why not?

Examine the two squirrel populations in the accompanying figure. the populations are separated by a geographic barrier. if after a long period of time the two species are no longer separated, what evidence is needed to determine if speciation has occurred? the figure shows two populations of squirrels separated by a geographic barrier. examine the two squirrel populations in the accompanying figure. the populations are separated by a geographic barrier. if after a long period of time the two species are no longer separated, what evidence is needed to determine if speciation has occurred? the figure shows two populations of squirrels separated by a geographic barrier. polyploidy is creating new species. the two populations are not interbreeding freely. hybrid offspring of the two populations begin to appear. one species will increase into a population size twice as large as the other species.

Cells are adapted to preform specific functions. which of the following terms refers to this capability?