1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Travka [436]
3 years ago
5

Several bacterial colonies are placed on a petri dish that contains agar with antibiotics. After 24 hours, ninety percent of the

original bacterial colonies die, but the remaining ten percent survive and later reproduce. Which of the following theories is demonstrated by this experiment?
Biology
1 answer:
galben [10]3 years ago
7 0
The theory that is demonstrated by this experiment is natural selection.
Basically, only the strongest bacteria survived, and nature decided which of those bacteria were fit enough to get to live and reproduce in the future. Those bacteria that were "willing" and able to fight their way through a huge number of bacteria were the ones who ultimately won.
You might be interested in
Fungi cannot make their own food through photosynthesis. How do they take in nutrients ? A.Absorbing sunlight B.producing spores
erma4kov [3.2K]

Answer:

Fungi take in nutrients by C. absorbing nutrients. They suck up nutrients from decomposing matter.

6 0
4 years ago
Read 2 more answers
If we know the atoms mass in amu and we know the number of protons of the atom, can we calculate the number of neutrons that con
olga nikolaevna [1]
Yes you can. The atomic mass measured from the proteins and neutrons in an atom, since you know he number of protons, you can subtract and be left with the number of neutrons.
5 0
3 years ago
Which indicates how evidence of climate change supports the theory of continental drift?
beks73 [17]

Glacial evidence discovered in South America demonstrates how climate change evidence has bolstered the notion of continental drift. Folded mountains in Africa and South America. Thus, the correct option is D.

Climate change is happening all across the planet on a daily basis. This is primarily due to human activities that have had an impact on the atmosphere and the earth.

<h3>What is continental drift?</h3>

Continental drift is basically the hypothesis that the continents once constituted a single landmass, disintegrated, and drifted to their current places.

The discovery of glacial evidence in South America has led to a greater acceptance of the continental drift idea.

Finally, we can conclude that glacial evidence discovered in South America demonstrates how climatic change evidence supports the hypothesis of continental drift.

For more information regarding continental drift, visit:

brainly.com/question/974409

#SPJ1

4 0
2 years ago
What best explains why a person can become sunburned by spending too much time at the beach?
ahrayia [7]

Answer:

Sunlight is an electromagnetic wave carrying energy that is absorbed by the skin.

Explanation:

4 0
3 years ago
Read 2 more answers
What is the molecular formula of water​
torisob [31]

Answer:

H20

Explanation:

4 0
3 years ago
Read 2 more answers
Other questions:
  • Which is a frameshift mutation?<br> a.)substitution<br> b.)nonsense<br> c.)silent<br> d.)deletion
    16·2 answers
  • An alligator looks similar to what other creature?
    15·1 answer
  • A client is admitted to the clinic with a hematocrit (hct) of 32%. when taking the client's history, which information is most s
    11·1 answer
  • Which properties of water plays an important role in the movement of water from the roots to the leaves in plants? universal sol
    15·2 answers
  • Using the processes of diffusion and osmosis molecules(particles) always move from?
    14·2 answers
  • I) Wisdom teeth : Vestigial organs :: Lungfish : ....................
    9·1 answer
  • A health care facility has received a request to participate in a statewide study on cleft lip and cleft palate. This study woul
    8·1 answer
  • Some Europeans view immigrants as a threat because _____.
    11·1 answer
  • Please help for the 4 and 5 question in the picture above.The person answering both part of question 4 and 5 will be marked as b
    11·1 answer
  • Select the correct answer from each drop-down menu.
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!