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Q: How could shifts in the physical environment have caused major changes in early civilizations Select all that apply?
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How would you explain the need for biodiversity?

A constant environment will not select different animals but if we assume that the earth's environment is changing then a wide range of genetic variation and a wide range of biodiversity will mean that as the environment does change then at least some of the organisms will survive


Survivors of disasters will have many immediate needs select a need not addressed by psychological first aid in a disaster environment?

Provide appropriate medication


What substance resist pH change?

A SolutionA Solutiona solution However: Mastering Biology by Pearson says that the answer is a BUFFER. Do NOT select "solution," as that is incorrect.


What is the definition of genomic footprinting?

Same as genetic footprinting, only at a high throughput, systems level way. Typically you use a transposon library to insert mutations to cells that inactivate genes (you assume one transposon/inactivation per cell). Then you trascription profile (dna microarray, rna-seq) after selection (whatever you want to select for, growth, resistance etc) and try to map the mutations/genes inactivations to the fitness changes in the cells. For example if you select for growth in a particular environment and the deletion of a gene confers this, then during selection that mutant will be over-represented, so when you run a microarray, you will see no expression of the deleted gene in reference with the wild type strain.


What causes allele frequencies to change during genetic drift?

Genetic drift is the spread of specific random variations throughout the gene pool in the absence of specific selection pressures. There's always random variation in the population, but there aren't always changes in the environment for the population to adapt to. So natural selection, in stead of moving the population towards adaptation, might select from that random variation to move 'sideways', as it were, to a state that's equally well-adapted to the environment as what came before, but different. As random variation may produce many variants that are, more or less, equally well-adapted to their environment, the direction of evolution that results is more or less random.

Related questions

How does environment select organisms?

natural selection


From the following choices select the factors you should consider to understand the threat in your environment?

From the following choices, select the factors you should consider to understand the threat in your environment.


From the following choices select the factors you should consider to understand the threat in your environment.?

From the following choices, select the factors you should consider to understand the threat in your environment.


How to track Excel cell history?

Tracking ChangesStep 1 Start Microsoft Excel and open the file you want to change.Step 2 Open the Tools menu and select Track Changes, then Highlight Changes.Step 3 In the Highlight Changes dialog box, select "Track changes while editing."Step 4 Select "Highlight changes on screen."Step 5 Open the When menu and select All.Step 6 Open the Who menu and select Everyone.Step 7 Click OK.Step 8 Click OK. This will save your changes and your file/workbook.Step 9 Enter your new changes.Accepting or Rejecting ChangesStep 1 Open the Tools menu and Track Changes menu and select Accept and Reject Changes option.Step 2 In the Select Changes to Accept or Reject dialog box, select "Not yet reviewed" to see all changes or "Since date" to see changes after a certain day.Step 3 Click OK.Step 4 In the Accept or Reject Changes dialog box, review the edits to the spreadsheet.Step 5 Select the Reject or Accept button for each


From the following choices select the factors you should consider to understand the threat in your environment. (Introduction to Antiterrorism?

From the following choices, select the factors you should consider to understand the threat in your environment


What happens when you open the Tools menu click Track Changes and then select Highlight Changes in a spreadsheet?

The Track Changes feature is turned on.


Words that end in t?

cat, environment, bat, select, adjust, that


What level in runescape douse your magic haft to be to get in high scores?

This changes over time, so why don't you just check the hiscores? Select magic, and select player #2,000,000, to see what level this player has, and how many points.This changes over time, so why don't you just check the hiscores? Select magic, and select player #2,000,000, to see what level this player has, and how many points.This changes over time, so why don't you just check the hiscores? Select magic, and select player #2,000,000, to see what level this player has, and how many points.This changes over time, so why don't you just check the hiscores? Select magic, and select player #2,000,000, to see what level this player has, and how many points.


How do you customize track changes in a text document?

Open the Tools menu, click Options, and then select the Track Changes tab.


What programs provides an environment where children can select and learn from their own activities?

A cognitively oriented curriculum.


What do you do with the powerpet environments?

The environments in PowerPets are backgrounds for your pet's profile. From your pet's page you can select "Options" then select the different environment and it will change the background picture in your pet's picture.


How to Get the essay on 'save fuel save environment'?

you can type the text essay on save fuel save environment in the google search bar. You can select any of the option..