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UMAINE BIO100 EXAM 1 2025 QUESTIONS AND ANSWERS based on the intermediate disturbance hypothesis, a community's species diversity is increased by - ....ANSWER ...-moderate leve;sof disturbance white-breasted nuthatches and downy woodpeckers both eat insects that hide in the furrows of bark in hardwood trees. The down woodpecker searches for insects by hunting from the bottom of the tree trunk towards the top,, whereas the white-breasted nuthatch searches form the top of the trunk down. These hunting behaviors best illustrate which of the following ecological concepts? - ....ANSWER ...-resource partitioning which of the following ecosystems has the LOWEST net primary production per square meter? - ....ANSWER ...-Open Ocean If you applied fungicide to a cornfield, what would you expect to happen to the rates of decomposition and net ecosystem production (NEP)? - ....ANSWER ...- decomposition would decrease and NEP would increase To return nutrients, an ecosystem must have, at minimum, - ....ANSWER ...- producers and decomposers Cod is a poplar fish caught for human consumption. If too many cod were removed due to overfishing, which of the following would most likely occur? (food web diagram) ....ANSWER ...-The leopard seals would eat more squid …FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 1