Choose the 4 reasons that contributed to Mendel selecting the garden pea as his experimental subject. A. It is not possible to perform cross-pollination in peas.
B. There were a large number of pure varieties.
C. The garden pea had a relatively long generation time.
D. The garden pea had a relatively short generation time.
E. It was one of the few plants that can be grown in a garden.
F. Garden peas can self-fertilize.
G. Earlier investigators had produced hybrid peas.

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