ECOL 1000 EXAM -2 questions with answers

ECOL 1000 EXAM #2 questions with |\ |\ |\ |\ |\ |\




answers


Carl Linnaeus - CORRECT ANSWERS ✔✔The person credited for
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the system of classification used to describe species and
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relationships among them |\ |\




Morphology - CORRECT ANSWERS ✔✔how organisms looked |\ |\ |\ |\ |\ |\ |\


different


Mammals can be broadly divided into how many Sub-Classes? -
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CORRECT ANSWERS ✔✔1. Kingdom: Animalia |\ |\ |\ |\




2. Phylum: Chordata
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3. Class: Mammalia
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Biodiversity - CORRECT ANSWERS ✔✔the variety of life on Earth;
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includes species, genetic, and ecological diversity
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What two environments contain the greatest concentration and
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variety of plants and animal life-forms on Earth? - CORRECT
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ANSWERS ✔✔Rainforests |\ |\




Coral Reefs |\




Species Diversity - CORRECT ANSWERS ✔✔the variety of species,
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including how many are present (richness)and their abundance
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relative to each other(evenness
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,Genetic Diversity - CORRECT ANSWERS ✔✔the heritable variation
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among individuals of a single population or within the species as
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a whole
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Ecological diversity - CORRECT ANSWERS ✔✔the variety within
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an ecosystem's structure, including many communities, habitats,
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niches, and trophic levels |\ |\ |\




How did we get so many species? - CORRECT ANSWERS
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✔✔Natural Selection |\




Natural Selection - CORRECT ANSWERS ✔✔The process of
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adaptation and change |\ |\




What does Natural Selection led to? - CORRECT ANSWERS
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✔✔Evolution


Adaptation - CORRECT ANSWERS ✔✔An anatomical structure,|\ |\ |\ |\ |\ |\ |\


physiological process, or behavioural trait that evolved by natural |\ |\ |\ |\ |\ |\ |\ |\


selection and improves and organism's ability to survive and to
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leave descendants. |\




What is a real-world example of Natural Selection? - CORRECT
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ANSWERS ✔✔Rock Pocket Mouse |\ |\ |\




Can there be other forms of selection leading to adaptation and
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change? - CORRECT ANSWERS ✔✔Artificial Selection
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,Species - CORRECT ANSWERS ✔✔Groups of actually or potential
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interbreeding natural populations genetically isolated from other
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groups by one or more reproductively isolating mechanisms
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What are the three different types of Biodiversity? - CORRECT
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ANSWERS ✔✔Species diversity |\ |\




Genetic diversity |\ |\




Ecological diversity |\




Taxonomy - CORRECT ANSWERS ✔✔The theory and practice of
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naming and classifying organisms
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Why does Biodiversity matter? - CORRECT ANSWERS
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✔✔Utilitarian Reasons: meet the needs of humans |\ |\ |\ |\ |\ |\




ex: Food, fuel, shelter, medicine, agricultural pollination, water
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purification, climate regulation, nutrient cycling, pest control
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Intrinsic Reasons: inherent worth independent of others
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(Philosophical right to exist) (e.g., a non-anthropocentric view of
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the world
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Combined Reasons: psychological, cultural and spiritual values
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Ecosystem Function - CORRECT ANSWERS ✔✔The physical,
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chemical and biological processes that produce, transform and
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move energy and materials in an ecosystem
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, Utilitarian Perspective of Ecosystem Functions - CORRECT
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ANSWERS ✔✔The capacity for natural processes and components
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to provide goods and services that satisfy human needs, directly
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and indirectly |\




Ecosystem Service - CORRECT ANSWERS ✔✔Direct and indirect
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benefits that humans receive from natural ecosystems
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Ecosystem Good - CORRECT ANSWERS ✔✔Tangible material |\ |\ |\ |\ |\ |\ |\


benefits that humans derive from ecosystems (ex: soil nutrients,
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oxygen, wood, crops, meat, cotton)
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What do ecosystem functions result in? - CORRECT ANSWERS
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✔✔ecosystem services and goods |\ |\ |\




What is an example of ecosystem functions proding ecosystem
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services and goods? - CORRECT ANSWERS ✔✔- Soil
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microorganisms decompose organic matter and make nutrients |\ |\ |\ |\ |\ |\ |\


available to other organisms |\ |\ |\




- Organisms that photosynthesize (plants, algae, phytoplankton)
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produce oxygen, and capture carbon, energy and nutrients that
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get passed along the food chain
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- Forests capture water and pass it through trees releasing water
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vapor that affects climate and rainfall
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- Insects pollinate flowers the produce fruits and seeds that
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humans and other animals consume|\ |\ |\ |\




- Interactions among predators and competitors prevent over
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dominance of anyone organism |\ |\ |\