WGU ELO1 Prep Exam 2025/2026 – 100% Verified Correct Questions
and Answers (Graded A+)
Abiotic Factors - nonliving factors that affect the ecosystem; includes light, space, temperature,
shelter, water, and soil composition
Biodiversity - the number of different species of plants and animals in an area
Biotic Factors - factors that are living or produced by living things
Competition - more than one individual or population in an ecosystem that relies upon the same
limited resources
Dependent Interaction - when an organism depends on a factor for survival
Dynamic - characterized by constant change, activity, or progress
Ecosystem - a system comprising all the biotic and abiotic factors in an area and all the interactions
among them
Ecosystem Dynamics - interrelated changes among the biotic and abiotic factors in an ecosystem over
time
Environmental Interactions - relationships between an organism or population and abiotic factors
Limited Resources - something that is needed by organisms and is not infinite in its abundance in the
environment; if it is exhausted, then the organisms that need it cannot survive
Oceanic - relating to the ocean
Organism - a self-contained living thing
Population - a group of interacting individuals of the same species located in the same area
and Answers (Graded A+)
Abiotic Factors - nonliving factors that affect the ecosystem; includes light, space, temperature,
shelter, water, and soil composition
Biodiversity - the number of different species of plants and animals in an area
Biotic Factors - factors that are living or produced by living things
Competition - more than one individual or population in an ecosystem that relies upon the same
limited resources
Dependent Interaction - when an organism depends on a factor for survival
Dynamic - characterized by constant change, activity, or progress
Ecosystem - a system comprising all the biotic and abiotic factors in an area and all the interactions
among them
Ecosystem Dynamics - interrelated changes among the biotic and abiotic factors in an ecosystem over
time
Environmental Interactions - relationships between an organism or population and abiotic factors
Limited Resources - something that is needed by organisms and is not infinite in its abundance in the
environment; if it is exhausted, then the organisms that need it cannot survive
Oceanic - relating to the ocean
Organism - a self-contained living thing
Population - a group of interacting individuals of the same species located in the same area
