Refer to this portion of a dichotomous key to answer the question.1. (a) has a single dorsal fin ® 5 (b) has a double dorsal fin ® 25. (a) has a small fin on back near tail ® 6 (b) has no fin on back near tail ® 76. (a) has barbs near the mouth ® catfish (b) does not have barbs near the mouth ® 107. (a) tail is asymmetrical ® sturgeon (b) tail is symmetrical ® 8what would the result be when identifying a fish with a single dorsal fin, no fin on its back near the tail, and a tail that is asymmetrical? sturgeongo to step 8go tp step 2catfish. mark this and return
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Cells tend to have a relatively small and uniform size. why aren’t cells larger?
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Which statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.
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Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto
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Refer to this portion of a dichotomous key to answer the question.1. (a) has a single dorsal fin&nbs...
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