All of the following provide evidence for evolution except:

A fossils

B vestigial organs

C the similarity of human DNA to other organisms' DNA

D sexual reproduction

Justin is walking around an area that has few trees and many tall grasses. In which biome is Justin most likely walking? deciduous forest grassland desert tropical rain forest

During dna replication what two processes must occur before the two strands separate

What is a substrate and give an example

Describe the relationship between the average kinetic energy and air temperature

What is the difference between a haploid and and diploid cell?

Arid and semiarid lands are prone to desertification because of

Which statement describes a situation that would reduce the stability of a forest ecosystem? (1) A fierce predator is removed from the ecosystem. (2) The number of producers remains constant in the ecosystem.

A scientist is studying a region of an ocean floor she discovers a long deep canyon that runs parallel to the coastline of a nearby continent what can she inferred from her discovery

Anson is 75 years old and has recently been experiencing a change in his personality. He is acting more impulsively and does not seem to care about his loved ones, to whom he has always been very devoted.

What is the best explanation if the gel of your PCR product shows smeared bands of multiple sizes? Select one: a. Non-specific gene amplification b. Primers hybridizing with one another c. Your isolate was not from a single bacterial colony d.