Drag each tile to the correct box. order the steps of the urine formation process. nephron tubules secrete waste products into collecting tubules. pressure of the blood forces water and dissolved substances through capillaries and into the bowman's capsule. the filtrate travels through the renal tubule and useful substances are reabsorbed into the blood. blood enters the kidneys through the renal artery and branches to reach the glomerulus. ↓ ↓ ↓

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