If time is one of the variables used in an experiment, the scientist usually decides at which time points he/she wants to take measurements of the other variable. because time is used in this manner in experimental protocols, it is considered the variable and is always plotted on the .3. if time is one of the variables used in an experiment, the scientist usually decides at which time points he/she wants to take measurements of the other variable. because time is used in this manner in experimental protocols, it is considered the variable and is always plotted on the .

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

If an organ has six haploid chromosomes,how many chromosomes are present. 6 12

9. what area of study applies scientific findings to create ways for solving problems or improving life? a biogeology b mathematics c manufacturing d engineering