Which of these describe(s) variation within a species or population? A population is defined as members of the same species living together in the same area and who are likely to breed with each other. 1.hummingbirds have beaks able to collect nectar from flowers while woodpeckers have beaks able to collect insects from tree bark
2. polar bears have differences in the number of hairs per square inch of their skin
3.evergreen trees have needle-like leaves
4.fish use gills to obtain oxygen from water

In the united states there are strict fishing seasons and limits, but not all countries enforce similar laws. in bangladesh there are few if any fishing restrictions. what might be the reason for less restrictions in smaller countries like bangladesh? a) the united states is the only country worried about overfishing. b) the united states wants to limit the supply of fish to increase the price. c) bangladesh and smaller countries have an unlimited supply of fish in their coastal waters. d) small countries, such as bangladesh, are practicing subsistence fishing, taking only the fish needed to survive.