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expeople1 [14]
3 years ago
13

After Darwin proposed his ideas about natural selection, scientists began trying to test his ideas in a variety of ways. Which o

f the following best explains why it was important that scientists did this?
A. They knew they would be left behind by the scientific community if they did not.
B. They needed to discredit Darwin as quickly as possible with contradictory evidence.
C. They were compelled to prove that this new idea was correct and Lamarck was wrong.
D. They had to see if this new idea fit the evidence they found in their experiments.
Biology
1 answer:
Crank3 years ago
3 0
D. They had to see if this new idea fit the evidence they found in their experiments.
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Consider 2 genes in peas- gene controlling seed color- yellow Vs green; gene controlling seed texture-smooth Vs wrinkled. Assume
Luden [163]

Answer:

Smooth & yellow: 9

smooth & green: 3

wrinkled & yellow: 3

wrinkled & green: 1

Explanation:

Gene controlling seed color are yellow Vs green

Gene controlling seed texture are smooth Vs wrinkled

In F1 generation, A true breeding smooth green plant (SSyy) is crossed to a true breeding wrinkled yellow (ssYY)

Off spring in F1 generation are smooth yellow (SsYy)

This means smooth texture is dominant over wrinkled texture and yellow color is dominant over green  

in F2 generation, the cross is carried between SsYy

SY         Sy        sY          sy

SY SSYY SSYy SsYY SsYy

Sy SSYy SSyy SsYy Ssyy

sY SsYY SsYy ssYY ssYy

sy SsYy Ssyy ssYy ssyy

Smooth & yellow: 9

smooth & green: 3

wrinkled & yellow: 3

wrinkled & green: 1

4 0
3 years ago
The circulatory system, the nervous system and the digestive system are all examples of what?​
PIT_PIT [208]
They are all the examples of organ system.
6 0
3 years ago
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Why are dead or weakened viruses used instead of normal viruses to create a vaccine?
vodomira [7]
I think its because vaccines are just to help your body learn how to fight off the virus, it’s not to actually give you the virus. Hope this helped!
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Petri dishes should? always be labeled on the lid. be left open while incoulating. be stored with the lid on top. always be stor
Anna [14]

Petri dishes should always be stored inverted.

In biology, petri dishes are frequently used to produce microorganisms like bacteria, yeast, and mold. The organisms that grow on solid or semisolid surfaces are best suited for it. To reduce the chance of contamination from airborne spore particles landing on them and to avoid the buildup of water condensation that could disrupt or impair a culture, they are often covered and stored inverted.

Aside from that, incubating the media in the normal position could result in the media drying out, which would interfere with the ideal conditions for microbial growth and increase microbial count mistakes. Since the labels are put underneath the plates rather than on the lids, placing plates upside down also makes them easier to handle and recognize.

To learn more about petri dishes. Click, brainly.com/question/12406059

#SPJ4

6 0
1 year ago
1. first genus 2. second domain 3. third species 4. fourth family 5. fifth kingdom 6. sixth class 7. seventh phylum/division 8.
Klio2033 [76]

In order:

kingdom, phylum/division, class, order, genus, species

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3 years ago
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