BIOL 2300 Midterm 1 Exam 2025 Questions and Answers

BIOL 2300 Midterm 1 Exam 2025
Questions and Answers


Ecology - --CORRECT ANSWER--The study of how living things interact with

each other and their environment

Environment - --CORRECT ANSWER--All factors outside the organism that

influence it

Ecology is interested in - --CORRECT ANSWER--Spatial variation

Temporal variation

Abundance

Distribution

goal of ecology - --CORRECT ANSWER--How do biotic and abiotic factors

influence the distribution and abundance of organisms

Ecology is a science - --CORRECT ANSWER--Where are the organisms found?

How many organisms are there?

What do the organisms do?




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, Want to explain/understand ecological processes.

Most interested in birth, death, and migration.

The 4 main focuses of ecology (spatial & temporal variability, abundance,

distribution)

Proximal (class of explanation) - --CORRECT ANSWER--Patterns explained by

the present environment.

E.g. how did the weather influence plant growth in this region?

Ultimate (class of explanation) - --CORRECT ANSWER--Patterns explained by

the past environment.

E.g. how has climate over the past 1000 years influenced the plant species present

in the region

Steps of an ecologist - --CORRECT ANSWER--Observe/discover

Question

Develop hypothesis

Test hypothesis

Inference/conclusion

Sampling/observational studies - test hyp - --CORRECT ANSWER--Descriptive

study. Collect samples of natural world.




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