In an ecosystem, a large number of species are dependent on one particular species of bird. the species of bird is an example of a/an species.
a. capstone
b. exotic
c. keystone
d. native

Leila has dimples because she received a gene copy from her father that coded for dimples. this means that dimples are an example of a trait that is

This comparative chart is an example of one that might be used by scientists and law enforcement personnel for identification purposes. the chart represents a technological advance called

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.