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Science

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Alena Robel

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βˆ™ 2021-09-30 20:42:36
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Cards in this guide (21)
What animals do invasive species affect

Well, it depends on which location you want to know about.There are many animals affected by invasive species.

But the animals affected are the ones in the area of the invasive species(s) . =D

Which question can be answered by science

how much pesticide is safe to use on plants

what is the effect of pesticides on the environment

how much energy does it take to make a paper bag

What is a bad effect of spraying a chemical pesticide on crops

Runoff, secondary poisoning of non targets.

Which statement best describes the limits of science

science cannot answer philosophical questions

Which experience led an engineer to invent velcro

Finding burrs stuck to his dog's fur. (:

What is the purpose of a control sample that is known to be from bighead carp in Edna surveillance

to see if samples contain the target DNA

Why would scientists use a control sample that has no DNA from bighead carp in eDNA surveillance

to verify that no DNA has contaminated the gel

Which aspect of nature inspired the invention of velcro

wolf howls

Which technology do environmental scientists use to track the movements of polar bears and other vulnerable populations

Global Positioning System (GPS)

Why is phrenology considered a pseudoscience

Why is phrenology considered a pseudoscience

Which observation would provide indirect evidence that supports a hypothesis that the bubbles are O2

An increase in bubbles on the plant when it is moved under a brighter light

Which field of study would be most useful to a person who wants to learn about the effects of new building projects on native species

Ecology

What is one negative effect of spraying a chemical pesticide on crops

It gets in the bodies of farm animals (APEX)

How many molecules of DNA would result from one molecule after four cycles of PCR

if you got the question "how many molecules of DNA would result from one molecule after FIVE cycles of PCR?"

then the answer is 32, not 16

Which statement best describes how scientists obtain environmental DNA (eDNA) from carp in the waterways near Chicago

they collect and filter water samples to isolate the DNA carp left behind

Which best describes the role of restriction enzymes in the analysis of eDNA

to break DNA into fragments that vary in size so they can be sorted and analyzed

How do environmental scientists use technology to track polar bears

They use GPS to monitor electronic collars on bears (apex)

What role does pcr play in the analysis of eDNA

It generates larger amounts of dna from tiny amounts

How do enviromental scientists use technology to track the invasive species silver carp

Environmental DNA (eDNA) Surveillance.

What is a way that biostimulation can be used

To clean up oil spills using natural bacteria

How many molecules of DNA would result from the molecule after five cycles of PCR

The number of double stranded DNA pieces is doubled in each cycle, so that after n cycles you have 2^n (2 to the n:th power) copies of DNA. For example, after 10 cycles you have 1024 copies, after 20 cycles you have about one million copies, etc.

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