ENWC McCarthy Midterm; Questions &
Answers (A+)
Based on the definitions given in class: the term "Wildlife" can include ALL living things, whether
domesticated or non-domesticated Answer-FALSE
Ecology is the scientific study of the distributions, abundance and relations of organisms and
the...
ENWC McCarthy Midterm; Questions &
Answers (A+)
Based on the definitions given in class: the term "Wildlife" can include ALL living things, whether
domesticated or non-domesticated Answer-FALSE
Ecology is the scientific study of the distributions, abundance and relations of organisms and
their interactions with the environment. Choose ALL of the correct root terms used by Ernst
Haeckel in creating the word "Ecology". Answer-Oikos "home" Logos "study of"
"Conservation" includes the concept of using our natural resources, e.g. via timber harvest,
fishing, and hunting, but doing so in a manner that is sustainable Answer-True
Choose all answers that are defining characteristics of the class Mammalia, i.e., traits that you
will only find in mammals and no other animals Answer-Three inner ear bones, hair,
mammary glands
Choose all answers that are defining characteristics of the class Aves (Birds), i.e., traits that you
will only find in birds and no other animals Answer-feathers
How communities (the living part of an ecosystem) vary across time after a disturbance (e.g., a
forest fire) is described by the term "Biome" Answer-False
One way to identify if a snake may be venomous is from the shape of its head, even if you do
not know which species it is Answer-True
, ENWC McCarthy Midterm; Questions &
Answers (A+)
Pioneer communities in the rainforest of Costa Rica create habitat for what are called early
successional wildlife species Answer-True
What is the difference between primary and secondary succession? Answer-In primary
succession, seeds must blow in from outside the area, and soil needs to be created, whereas in
secondary succession, soil already exists and the plants that grow tend to be from the seedbank
already in the soil.
Choose all correct answers: As you move up in trophic level, e.g., from producer "up" to primary
consumer, or primary consumer "up" to secondary consumer Answer-There is a decrease
in numbers of organisms; there is a loss of approximately 90% of the energy available
A niche is considered an animals habitat, i.e., the physical and biological resources required by
an organism for its survival and reproduction Answer-False
Which of the following steps are part of the process of Natural Selection? Answer-An
overabundance of individuals leads to a shortage in resources; Some individuals are able to
outcompete others for limited resources and pass on their genes; There must be genetic
variation within a species
Climate change is one of the biggest threats to Monteverde Cloud Forest, because it is causing
the forest to become warmer and drier, harming the many species in this forest that depend on
the moisture. Answer-True
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