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sergij07 [2.7K]
3 years ago
13

Refer to this portion of a dichotomous key to answer the question.

Biology
2 answers:
STatiana [176]3 years ago
8 0

Answer:

We can conclude that the fish is Sturgeon.  

Explanation:

We need to identify the result of a fish with a single dorsal fin, no fin on its back near the tail, and an asymmetrical tail.

The problem mentions the following dichotomous key:

1. (a) Has a single dorsal fin ® 5 (b) Has a double dorsal fin ® 2

5. (a) Has a small fin on back near tail ® 6 (b) Has no fin on back near tail ® 7 6. (

a) Has barbs near the mouth ® Catfish (b) Does not have barbs near the mouth ® 10

7. (a) Tail is asymmetrical ® Sturgeon (b) Tail is symmetrical ® 8

In the first step, the fish we need to study has a single dorsal fin. According to the key number 1. (a) Has a single dorsal fin ® 5 We should go to five-step.

After that, we know that this fish has no fin on the back. Taking into account key number 5. (a) Has a small fin on the back near tail ® 6 (b) Has no fin on the back near tail ® 7 We should go to number seven.

The last information we have about this fish is that it has a tail asymmetrical. 7. (a) Tail is asymmetrical ® Sturgeon. As the final result, we can conclude that the fish is Sturgeon.

Finally, we can conclude that the fish is Sturgeon.  

jek_recluse [69]3 years ago
3 0
The answer to this question is that the results show that the fish is a Sturgeon.

Hope this Helps!
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