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In the relationship between an owl and a field mouse, the owl is the predator or the prey?
Predator
What could a reasonable hypothesis for the decrease in the deer population could be?
The availability of food resources has decreased
What is an example of a biotic factor in an ecosystem?
Trees, animals, etc
What organisms play the most crucial role in decomposing the remaining organic material after a wildfire?
fungi and bacteria
Animals that primarily consume plants are referred to as?
Herbivores
What illustrates the flow of energy and matter between organisms?
Food web
What is the primary reason energy diminishes as it moves up the energy pyramid ?
most energy is lost as heat during energy transfer.
Deep-sea organisms using methane from hydrothermal vents to produce food is an example of which process? Photosynthesis or chemosynthesis
Chemosynthesis
An example of an invasive species is a tropical fish species introduced into a local river and outcompeting native fish. True or false
True
The group of organisms responsible for capturing energy directly from the Sun?
Producers
If the population of herbivores in an ecosystem suddenly decreases, what is the most likely effect on primary producers?
an increase in producer populations
What is an example of an abiotic factor?
water, temperature, soil, air, etc
In a mutualistic relationship, both organisms benefit. True or False
True
If the frog population drastically decreased, the grasshopper population would?
Increase
The introduction of non-native species to a habitat often results in disruption of the existing food web. What are these species called?
Invasive species
In a prolonged drought, the population most likely to decrease first is the primary consumers or secondary consumers?
Primary Consumers
