When a cell has to endure lasting changes in its environment that require it to actively transport more molecules than normal through the cell membrane, what effect will this have on the mitochondria of the cell?

Many scientists believe life was able to leave the waters edge and move further in on land, away from the water, due to a development of ... A) amniotic eggs. B) reptiles. C) better shelters. D) four-chambered hearts.

A population decreases after many members emigrated when a nearby river becomes polluted. How would you explain the reason for this decrease?

Diseases may spread more rapidly when an area is crowded so disease is considered to be what?

Four places a body fossil might be created.

Which of these is not an example of firearm identification? Determining a. 45 caliber round was fired from a Colt Magnum Determining the shot that created a bullet hole came from 10 feet away at a 45° angle Determining that there is gunpowder

Living corals are found in warm shallow seas. coral fossils have been found in the sedimentary rocks of alaska. these findings suggest that:

Where is pollution most evident?

Which best describes oogenesis and spermatogenesis?

Jonathan sows some pea pods in one pot. Within a few days the seeds germinate and a radicle forms, which gives rise to roots. How does a radicle give rise to the roots and why? A.

Given a choice of voltage to apply in electrophoresis, would you choose a higher or lower voltage?