Answer:
cells typically acquire more and more mutations, but cell division
Explanation:
Answer: Hind wings have tail extensions.
Explanation:
The dichotomous key is a tool which is used by the scientists to identify the unknown living organisms by comparing the observable characteristics of unknown with known living organisms. It stresses to identify the organisms or species by their scientific names and every species has a particular scientific name. Hind wings of butterfly is the observable characteristic which can be compared with that of other known butterfly species that also have a tail extension. This physical characteristic will help in identification of butterfly.
D. The nitrogen from the fertilizer made the plants grow too quickly,
which hurt the fish.
Explanation:
The best explanation for this result is that the nitrogen from the fertilizer caused the plants to grow too quickly and this hurts the fish.
This phenomenon is known as eutrophication.
Eutrophication is condition in which too much of nutrient is available in a water body.
- The presence of the fertilizer in the water body causes nutrient availability that causes more plants to grow in the water.
- The surge in the plant population will starve other life forms in the water.
- This is why the number of fishes will reduce.
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