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MA_775_DIABLO [31]
3 years ago
11

A student creates a model of a closed ecosystem by filling a glass tank half full with water then addin 10 snails and two small

aquatic plants .the next day all the snails are dead. Which is the most likely cause if their death
Biology
1 answer:
vredina [299]3 years ago
4 0
1. Snails carry out respiration only 2. Aquatic plants carry out both respiration and photosynthesis Although the aquatic plants can absorb carbon dioxide and release oxygen through photosynthesis, the amount of snail is much more than that of the aquatic plants. During night time,the absence of light prevent the plants from carrying out photosynthesis. No oxygen is released at this time. There is a net release of carbon dioxide in the closed system and hence the snail died of suffocation.
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