QUESTION4 You are studying a newly discovered population of freshwater snail liv

Question

QUESTION4 You are studying a newly discovered population of freshwater snail living in a small spring n West Texas. This spring is unique because the water has a high mineral concentration compared to other nearby springs. The population of snails that lives there is also unique in shape it has a longer shell than other nearby populations. Based on what you have learned this week in Evolution, what are two potential explanations (hypotheses) for why this of snails has a unique shape? ·T T T Arial 3(12pt) 'T·-·-·. QUESTION S

Explanation / Answer

1)

A shell of snails has various advantages like protection from predators, mechanical damage, dehydration among other functions so a longer shell augments the snail as it increases these advantages for itself. Hence most of the snails here have longer shells due to natural selection increasing the allele for such

2)

Snails might be using the high mineral components of the spring to build its shell longer, given its advantages. Although no alleles would exist specifically for this.augmentation. Hence making this a case of natural selection without evolution.

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