Sewing thread is very thin and difficult to see once a length of thread is removed from its spool. How is the thread and spool an analogy for what happened to the DNA in Step 7.

Which of the following is the only cause of microevolution that can lead to adaptations? A. mutations B. gene flow C. small population D. non-random mating E. natural selection

What bedrock is normally found on rocky shores?

Certain intrinsically disordered proteins protect tardigrades from desiccation. What property of intrinsically disordered proteins will most likely allow them protect tardigrades from desiccation? a.

Which type of RNA brings the information in the genetic code from the nucleus to other parts of the cell? A. rRNA. B. tRNA. C. mRNA. D. RNA polymerase.

What are the three types of muscle fibers? A) smooth, intermediate - twitch, cardiac B) slow - twitch, intermediate - twitch, fast-twitch C) slow-twitch, fast-twitch, involuntary

A student drew the following flowchart. Blasting > Collecting > Hauling > Crushing, which process is shown a. Crude oil refining b. Hydraulic fracturing c. Coal burning d. Surface mining

Deforestation occurs when a desert gets hotter than usual large areas of land are converted into cities a forest is cut down for logging or farming purposes a semi dry area becomes a desert

Protist arent monophyletic meaning that they don't a) have one chromosome b) share one common ancestor that isn't also shared by organisms in other groups c) Live their lifespan in one place but instead can move d) have one mode of reproduction

Which division of time is the second smallest?

Explain how organisms, including humans, use natural resources.