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grandymaker [24]
3 years ago
15

On the nature trail at Pennsylvania State University, tall pine trees have reduced the amount of sunlight that reaches the fores

t floor. While hardwood trees flourish in shaded regions, pine seedlings require sunlight. Ecologists believe that over time, the hardwood trees will replace the pine trees. This scenario is an example of which concept?
A. competition
B. succession
C. natural selection
D. cross pollination
Biology
1 answer:
Scilla [17]3 years ago
5 0
The answer will be B.Succession 

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Plz help I am so confused
IgorC [24]

Both DNA and RNA is your answer.

DNA creates the proteins  

RNA adds the correct amount of Amino Acids assembling them into protein chains

4 0
3 years ago
Lucas places 20 kg samples of each substance by the same heat source all samples are at the same initial temperature which sumvs
ELEN [110]

Answer:

Metallic structure with black colour body.

Explanation:

The substance has metallic structure and black colour body will have greatest temperature among other substances because metallic structure and black colour of body heat up very quickly. Metals have free electrons which make it the best conductor of electricity and heat while on the other hand, black colour is a good absorbent which absorb heat very quickly so that's why we can say that metallic solids are the substance that have the greatest temperature.

3 0
2 years ago
The hydrologic, rock, and tectonic cycles are all interconnected. In the rock cycle, water moves regolith during _____, and the
iren [92.7K]
 <span>The hydrologic, rock and tectonic cycles are all interconnected. In the rock cycle, water moves regolith during EROSION, and the tectonic cycle resurfaces rock through UPLIFTING. 

In short, the answer would : erosion, uplifting.

Hope this helps !

Photon</span>
8 0
3 years ago
Read 2 more answers
When you go to a salad bar and put mushrooms on your plate you are eating which part of the fungi?
Lilit [14]

The sporophore is the umbrella-shaped body of the mushroom. It is also called the "fruit" of the fungi. It starts out as a small button and grows into stalk and cap. The cap becomes larger and unfolds like an umbrella.

5 0
3 years ago
Read 2 more answers
In the late 1980s and early 1990s, the percentage of Icelandic children whose bacterial infections were caused by bacteria resis
Nadya [2.5K]

Answer:

The correct answer would be - "bacterial populations evolve in response to the selection pressure imposed by antibiotics".

Explanation:

The given information provided in the question about the bacterial infection supports the hypothesis that the bacterial population shows the evolution in response to the selection pressure caused by the antibiotics due to the fact that bacteria increased resistance gradually with time. This resistance towards antibiotics increased the percentage of bacterially infected children in the late 1980s and early 1990s.

In this case, the population of bacteria having resistance genes is selected to evolved selected to increase their offsprings.

5 0
2 years ago
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