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ENVS 101 EXAM 1 Questions with Correct Answer1.
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ENVS 101 EXAM 1 Questions with CorrectAnswers
An ________ includes all of the organisms and their physical and
chemical environment within a specific area. Correct Answer-ecosystem
The __________ characteristics of an ecosystem determine the
distribution and abundance of the organisms that live there. Correct
Answer-abiotic
Choose the wrong one:
a) Energy and matter are transformed as they move between living
organisms and the abiotic system
b) an ecosystem is an integrated system made up of living and nonliving
parts and the processes that connect them
c) ecosystem services depends on human wellbeing
d) ecosystem integrity refers to the web of interactions that regulate
ecosystem functions Correct Answer-C
negative feedback occurs when directional changes in the process alters
the system in a manner that reverses the direction of that change Correct
Answer-true
one of the first scientists to recognize the connection between
inheritance, variations in behavior and appearance, and a species ability
to persist in an environment was Albert Einstein Correct Answer-false
, species evolve when populations move into new habitats and discover
new ecological niche Correct Answer-true
choose the wrong one:
a) the diversity of life is a consequence of adaptation
b) individuals with adaptations that increase their reproductive success
compared to others in the population are said to have greater fitness
c) in the process of natural selection, individuals in a population that are
most fit survive and leave more offsprings
d) biological evolution is the idea that species change based on their
geographical locations Correct Answer-D
biologists measure fitness by the number of offsprings an organism has
during its lifetime Correct Answer-true
biodiversity is a measure of the variety of species in the world Correct
Answer-true
A _______ is a group of similar organisms that can potentially mate and
produce fertile offsprings Correct Answer-species
over time, when ecosystems are isolated, they can follow different
evolutionary pathways and become separate species Correct Answer-
false
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