Biology, 31.07.2020 20:01, xelynncaldera
After reading the paragraph below, answer the question that follows In the North Pacific Ocean, two groups of the same species of killer whales (Orcinus orca) appear to be forming two different species based on what they eat. One group eats fish and the other eats mammals such as seals. Another difference between the two groups is in how they hunt. Whales that hunt fish tend to travel in large pods (groups of whales) and vocalize often. Whales that hunt seals, however, tend to travel in very small groups and vocalize very little. If these hunting differences brought about speciation, the separation would be considered:
Answers: 2
Biology, 22.06.2019 16:30, Ezekielcassese
Which is an example of a vestigial structure? a: paw of a lionb: wing of a birdc: appendix of a humand: tail of a cat(i think it's a but i'm not sure)
Answers: 1
Biology, 23.06.2019 00:10, LoneWolves
1. beginning with all chambers of the heart in the "relaxed" phase, describe the cardiac cycle in mammals, with systole and diastole of the atria and ventricles. for each time point in the cycle you select, state the following: • whether the atria and ventricles are contracting or relaxing • whether the av valves and semilunar valves are closed or open • whether the pressure in the atria and ventricles is high or low
Answers: 2
Biology, 23.06.2019 02:20, atran6955
Agenotype 'aa' leads to albinism in peacocks. this condition is very rarely found in nature, compared to the normal genotype, 'aa', and 'aa', as theycan be easy prey to their predators and are unable to attract mates. which types of selection forces act here? o a. directional selectionob. stabilizing selectionoc. sexual selectionresetnext© 2019 edmentum. all nights
Answers: 3
After reading the paragraph below, answer the question that follows In the North Pacific Ocean, two...
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