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

1. (a) has a single dorsal fin ® 5

(b) has a double dorsal fin ® 2

5. (a) has 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

according to this dichotomous key, any catfish must have

clinically, some people often have repeated allergies, eczema and respiratory infections or other parts of the infection, in this case, in addition to some routine tests such as tests for white blood cells, immunoglobulin series, lymphocyte subsets, etc., the five immune immunoglobulin tests are also necessary.

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.

airlines i think? or a cruise boat? does this work out for u? ?

i think the answer is a.keratin is the pigment responsible for skin color.