Bacteria can randomly change their DNA by this process

The process that causes some traits to increase and others to decrease

In a certain species of insect, some individuals have flattened white disk on their bodies that protrude and interlock, resembling an orchid flower. This adaptation provides the insect with a better opportunity to capture its prey. If environmental conditions remain unchanged, it is most likely that, in future generations, the proportion of the population with this adaptation will

Finches on the Galapagos Islands express a variety of traits. Variability in the offspring of these finches is a result of

Extinction occurs when the environment changes and

This is beneficial in helping organisms survive through environmental change

Survival of at least a few members of a population
after a major environmental change is most dependent
on

Antibiotics are substances used to help fight an infection of Streptococcus, a bacterium that causes strep throat. Overuse of these antibiotics can

Which activity would most likely increase the mutation rate in a culture of bacteria being grown in a laboratory experiment?

Identify the process most likely responsible for a mosquito initially becoming resistant to DEET as a new trait

If an organism cannot survive an environmental change they will go...

Variation in snail color is an example of

One possible reason why polar bears might not be able to survive if the environment they live in changes is because

What can cause an organism to through random genetic changes?

State one advantage for a nonpoisonous snake having coloration similar to that of a poisonous snake.

Pocket Mice (from the video we watched in class) were naturally selected to have black or light fur by this part of the environment

A trait that helps an organism survive is called a(n)

A population of white moths lives in a forest near a factory. This factory burns coal and pollutes the air with black dust. Over time, this dust has settled on the trees in the area, making them darker in color. This could result in

___________ reproducing organisms have greater variation

Identify the structure that contains the inherited instructions that determine the different color patterns
in these snakes.

If a trait is selected for in an environmental it will ________ in the population

Mating rituals are a __________ adaptation

Greater __________ in a population helps them survive through environmental changes

The embryos of fish, chickens, and pigs have gill slits and a tail. The presence of these features suggests that

State one kind of evidence that would support the conclusion that birds evolved from dinosaurs like Tyrannosaurus rex.