In humans, pseudohypertrophy muscular dystrophy is a condition in which the muscles gradually waste away, ending in death in the early teens. This condition is found to only occur in boys and has never been reported in girls. a. What type of inheritance can explain this condition?
b. Explain why girls do not have pseudohypertrophy muscular dystrophy.

This group of organisms perform the process of ammonifcation. a. herbivores b. decomposers c. carnivores c. plants

Select all that apply. why are common names not a good reference to a species? common names can be in different languages common names vary with location common names vary with culture common names vary with species color

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 2. (a) one fin is spiny, the other is smooth ® 3 (b) one fin is not spiny or smooth ® 4 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 7. (a) tail is asymmetrical ® 8 (b) tail is symmetrical ® 9 10. (a) scales are small ® trout (b) scales are large ® whitefish what is the next step to complete to identify a fish that has a single dorsal fin, no fin on the back near the tail, and no barbs near the mouth? step 2 step 5 step 7 step 10