Ecology Questions
Explore questions in the Ecology category that you can ask Spark.E!
If two species are using the same limited resource, then they are experiencing _____ , which has a negative effect on the abundance of both species.
According to the ______ _____ principle, no two species can indefinitely occupy the same niche at the same time.
The species interaction in which one organism feeds on a second organism called a host, usually without killing the second organism is called
The process that initially makes energy available to the organisms of an ecosystem is called:
An organism that can take in only inorganic nutrients and an outside energy source to produce organic nutrients for itself, and for the organisms that consume it, is a(n) ______.
Comparatively speaking, a detrital food web has (more/less) _____ energy than a grazing food web.
The group of organisms that use only inorganic nutrients and an outside energy source to produce organic nutrients for their own use and for other members of the community are called
Which of the following is a component of the other?
Through which method is phosphate prevented from becoming trapped in sediments.
Sedimentary and gaseous are names given to the two types of ______.
The group of organisms that require a source of preformed organic nutrients, and release CO2 into the atmosphere are called _______.
In some communities, one species stabilizes the community by maintaining its characteristics and helping hold its web of interactions together. This species is referred to as a
A food web illustrates which of the following?
Select choices from which organisms readily obtain chemicals in a biogeochemical cycle.
Which source of chemicals is not readily available to living organisms?
The spatial area that a species occupies within the community is its
A species that helps stabilize a community is called a(n) _____ species.
The pathways by which chemicals cycle within ecosystems, which are called, _____ cycles, can be either gaseous or sedimentary.
Climate change has the potential to increase human exposure to certain diseases, such as those carried by mosquitoes. This is because warming temperatures allow for an expanded range for these insects, which serve as vectors for diseases like _____ , Zika virus, chikungunya, and dengue fever.
True or false: Life on Earth requires a continual input of energy from an external source.