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I recently had a science exam and there is one question I would like to know about.
Question: Some students noted the number of organisms living in a pond. The table below shows the number of plants and animals:
Plants
Position in pond Number of plants
Fully Submerged: 124
Partially Submerged: 186
Floating: 203
Legs
Animals
Legs Number of Animals
With no legs: 44
With legs: 36
One of the students commented that there are at least 6 different populations living in the pond. Is he correct?
(a) Correct
(b) Incorrect
My answer was that he is incorrect since it is not possible to make such a conclusion from the data given as some animals like the tadpole have legs when they are adult frogs but not when they are younger. Also, slightly older tadpoles have legs while newborn ones don't.
However, I was marked wrong and I would like to confirm here whether I am correct. Thanks.
Question: Some students noted the number of organisms living in a pond. The table below shows the number of plants and animals:
Plants
Position in pond Number of plants
Fully Submerged: 124
Partially Submerged: 186
Floating: 203
Legs
Animals
Legs Number of Animals
With no legs: 44
With legs: 36
One of the students commented that there are at least 6 different populations living in the pond. Is he correct?
(a) Correct
(b) Incorrect
My answer was that he is incorrect since it is not possible to make such a conclusion from the data given as some animals like the tadpole have legs when they are adult frogs but not when they are younger. Also, slightly older tadpoles have legs while newborn ones don't.
However, I was marked wrong and I would like to confirm here whether I am correct. Thanks.