Giving 40 points] 2. cold water currents tend to have a cooling effect on the continental coastlines that they border, while warm water currents tend to have a warming affect. a. look at the pattern of the currents in the northern hemisphere and describe the effect the currents have on temperature of the coastal areas they border. b. look at the pattern of the currents in the southern hemisphere and describe the effect the currents have on the temperature of the coastal areas they border.

What does homeostasis means in biology?

Parasitism could be considered a form of which of these types of relationships? -mutualism -commensalism -predator-prey -mimicry

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