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50 Cards in this Set

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What are the 9 main reasons people value nature?

1. Utilitarian 4. Ecological 7. Recreational


2. Aesthetic 5. Moral 8. Spiritual


3. Creativity 6. Public Service 9. Theological

Describe the utilitarian, aesthetic and creative reasons

1. Species that provide products of direct value to humans (eggs, milk, down, medicine)


2. The beauty of nature, including the value of life.


3. Writers, musicians, and artists gain stimulation for their work by using/looking at nature

Describe the ecological, moral and public service reasons

1. species that have a roles in their ecosystems that are possibly necessary to allow that ecosystem to persist and possibly all life to persist


2. The belief that certain aspects of nature/organisms should persist, independent of human value.


3. Ecosystems that provide services that are beneficial to humans in which they are too expensive or impossible to do (releasing oxygen, capturing CO2, decomposing, pollinating)

Describe the recreational, spiritual, and theological reasons

1. People enjoying nature by going out and doing activities.


2. Nature has the ability to move people


3. Some religions value nature and its diversity (Buddhism and Paganism)

1. What is biological diversity?


2. What are the 2 ways that biological diversity is expressed?

1. Refers to the diversity of life forms in a given area


2. *The number of species in an area


*The number of genetic types in an area

1. What's genetic diversity?


2. What's habitat diversity?


3. What are the three things that species diversity is composed of? Define them

1. The total number of genetic characteristics of a specific species, group of species, etc.


2. The different types of habitats in a given area


3. *Species richness: # of species


*Species evenness: Relative abundance of a species


*Species dominance: Most abundant species in the area

Group A: 10 species, 100 individuals, 9 species with 2 individuals each and 1 species with 87 individuals


Group B: 10 species, 100 individuals, all species with 10 individuals each


1. Which group has the greater species richness


2. Which group has the better species evenness?


3. Which species is dominant in Group A and B individually?

1. They have the same species richness


2. Group B


3. a) the species with 87 individuals b) no dominance

1. What is not sufficient enough to describe biological diversity?


2. How many species have been identified?


3. What's the estimate of the number of species that currently exist?


4. All living things are categorized into ______

1. Simply counting the number of different species in an area.


2. 1.5M


3. 3M


4. taxa

List all the categories from the Linnaen hierarchy from the broadest category to the most specific category

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

1. Which Linnean hierarchy is a) the most inclusive b) the most specific?


2. What are the 3 domains of the linnean hierarchy? Describe them.

1. a) kingdom b) species


2. Eukarya- organisms with eukaryotic/complex cells (animals, plants, fungi)


Bacteria


Archaea- organisms composed of prokaryotic cells (no nucleolus or nucleus)- usually single-celled.

1. Which animal type has the most species diversity?


2. Who came up with the theory of evolution? When?


3. What's evolution?

1. Insects


2. Charles Darwin. 19th century


3. The heritable change in one or more characteristics in a species/group of species over the course of many generation to form a new species/multiple species.

1. What is one of the features that distinguish life from everything else in the universe?


2. Our understanding of evolution today is enhanced by __________. 2 e.g.s

1. Evolution


2. Modern Science:


-Coding DNA sequence (just using DNA in general)


-PCR (polymerase chain reaction)

1. What's PCR?


2. Who confounded PCR? How did he fall from fame?


3. What are the 2 things that cause new species to arise?


4. What are the 4 processes that lead to evolution?


1. The process of amplifying a single copy of a gene or several copies of a gene.


2. Kerry- didn't believe in AIDS or climate change


3. -Competition of a natural resource


-Differences among individuals in their adaptations for environmental conditions.


4. Mutation, natural selection, genetic drift, and migration

1. What's mutation?


2. What are the 2 main causes of mutation

1. An error in the DNA sequence during DNA replication and it is passed onto the new cells.


2. Radiation and viruses.

1. What are the 3 possible outcomes of mutations? Give examples


2. What's inherited from one generation to the next?

1. *Doesn't allow the offspring to survive (tripsomy 13)


*Adds to the genetic variability of a species (blue eyes)


*Changes the offspring substantially to form a new species


2. Genetic material

1. Genes are contained in the _____________ of each cell.


2. Genes are made up of _____


3. DNA is made up of _______


4. Describe DNA base pairings


5. What determines the message interpreted by a cell?

1. Chromosomes


2. DNA


3. bases


4. A-T and C-G


5. The specific sequence of the bases

1. When a cell divides .... (2 things)


2. What is natural selection?

1. It's DNA divides and each daughter cells gets a copy of the divided DNA


2. The process of eliminating individuals of a species with features that make them less suitable to the environment, while allowing individuals of a species better suited to the environment to reproduce and survive.

1. Describe how a new species can form as a result of natural selection (descendants/accumulation of changes)


2. Can we change the rate of NS? Give e.g

1. The better suited descendants form a large % of the next generation + The accumulation of genetic changes over times promotes reproductive isolation = new species.


2. Yes- glasses

1. What 4 factors are involved in NS?


2. What's genetic variation?

1. *Genetic variability


*Environmental variability


*Differential reproduction which varies with the environment- alpha males present


*Influence of the environment on survival and reproduction


2. Inheritance of traits from one generation to the next with differences in these traits

1. Describe a) differential reproduction b) influence of the environment on survival and reproduction

1 a) Some organisms reproduce and some don't depedending on environmental conditions and the presence of an alpha male


b) animals with thick coats in very cold environments reproduce

1. Describe how geographic isolation forms new species.


2. ________ is an important evolutionary process of geological time. What does it lead to?


1. Geographic barriers separate groups of individuals from the same species- prevents gene flow and they can't come in contact


Over time, due to evolution, they develop many differences which promotes reproductive isolation= new species


2. Migration; adaptive radiation

1. Define adaptive radiation


2. What's genetic drift?


3. What's founder effect?



1. The process of a group of organisms enters a new habitat with unoccupied niches and they evolve into a group of new species adapted to one of these niches.


2. Changes in the frequency of a gene in a population is simply by chance.


3. When a small group of organisms is isolated from the larger, original group.

1. Does the small isolated group of individuals formed by the founder effect have more or less variation than the original population?


2. The small group's presented characteristics are affected by _______.


3. The individuals in the small group may not be _____ adapted or _________.


1, Less


2. Chance


3. better adapted or different

1. What are the 4 things that bioevolution tells us about biodiversity?


2. Species adapt in response to _____ _______.


3. _________ is a part of nature


4. Can we expect threats in one species to be threats in another?


5. What is one way that species can get into trouble based on evolutionary change?

1. -Tells us which species in an area can live -Geographical isolation/genetic drift occurs in species from time to time - Adaptation has no rigid rules -Species are always evolving/adapting


2. environmental changes


3. Complexity


4. No


5. They don't evolve fast enough with environmental changes, leading to extinction

1. What are the 4 interactions between species? Describe with plus and minus signs


2. What is the competitive exclusion principle? E.g.

1 *competition


*predation/parasitism


*mutualism


*Commensalism


2. When two species with similar needs cannot coexist

1. What is commensalism?


2. Complete competitors ____ coexist. Why?


3. Describe a niche


4 What does the ecological niche concept explain

1. When two species do not interact with each other


2. cannot- too much effort/energy/competition


3. All the environmental factors under which a species can persist and carry out life functions- it's role in the ecosystem


4. how so many species can coexist

1. What are the two types of measured niches? Define them


2. Give an example

1. Fundamental niche: Everywhere that a species is able to live without the influence of organisms around them


Realized niche: The area where the species can actually live (smaller than the fundamental niche)- influenced by the organisms/environmental conditions around it


2. Fish in freshwater

1. Which type of animal has a larger specialized niche and is less constrained to certain environmental conditions: humans or fish? (explain)


2. What are the 2 main components of a niche? Draw the graph with representation of a functional and realized niche

1. Humans- less restrained to certain environmental conditions, while fish may be restrained to salt conditions


2. Temp and precipitation

1. What's a a) generalist b)specialist?


2. Which has the larger niche?


3. Is an invasive species a generalist or specialist?


4. Which one tends to avoid competition?


5. Draw the diagrams

1. a) An organism that can live in many areas- doesn't have to live under the restraint of a certain environmental condition


b) Organism that can only in live in certain areas with certain environmental conditions


3. Generalist


4. Specialists

1. What is symbiosis?


2. Each partner in symbiosis is called a ______


3. e.g. of symbiosis with a reindeer and gut bacteria


4. Who a) benefits b) doesn't benefit from predation and parasitism?

1. A relationship between orgs that's both beneficial for them- enhances each org's chances of persisting


2. Symbiont


3. Reindeer- food digestion for nutrition Bacteria-home


4. a) parasite/predator b) host/prey

1. What is predation?


2. What is parasitism?


3. What is decomposition?

1. When an organism (predator) feeds on another live organism (prey).


2. When an organism (parasite) live in, on, or within another organism (host)


3. When an organism (decomposer) feeds on a dead organism

1. Species are ________ uniformly distributed _______ and _______


2. Species that live on land change with _____ and ________


3. What's "aspect" in terms of topography?

1. Not; globally and locally


2. soil and topography


3. The direction that the slope is facing

1. Give 4 factors of topography that change the type/number of species in an area


2. What's a treeline?


3. As you go up the slope, the elevation ______, which changes ......


4. What changes as the aspect and nearness of the drainage basin changes?

1. Slope, aspect, elevation, nearness to the drainage basin


2. Point where a change in trees occurs.


3. the temperature decreases, the veg changes and the pressure decreases.


4. Temp, soil, veg

What are the 7 ways that increase diversity?

1. Evolution


2. A physically diverse habitat


3. Small variation in environment


4. Not a lot of disturbance


5. High diversity in one trophic level may increase the diversity in another (many tress provide multiple habitats and food for birds)


6. Environment highly modified by life (soil)


7. Middle stages of succession

What are the 6 ways that decrease diversity?

1. Extreme environment


2. Great/frequent disturbances


3. Lack in the supply of an essential resource


4. Environmental stress


5. Introduction of exotic species


6. Geographic isolation


1. What's a biotic province?


2. In 1876, Wallace suggested that the world ........


3. Is his idea still valid and extend to all life forms?

1. A large area that contains a distinct set of organisms and barriers that prevent emigration and immigration


2. Could be divided into 6 biogeographical realms


3. Yes


1. What are the 6 biogeographic realms?


2. 3 characteristics of a biogeographic realm


3. e.g.s of common animals in NA, SA, Aussie, Africa

1. Nearctic, Neotropical, Palaearctic, Ethiopian, Oriental, and Australian


2. Contains a distinct set of organisms


Organisms in the biome are closely related to each other


They lived and adapted to the biome for a really long time

1. When a species is introduced, it is likely to be _____ or ______ ______ to native species.


2. _________ and _______ adjustments are yet to take place. Why?


3. Introduced species may become the ______ competitor

1. unrelated or distantly related


2. Ecological and evolutionary-Has not evolved/adapted in the presence of the home species


3. superior


Describe the 3 things about newly introduced species

1. Unrelated or distantly related to the organisms in the biome


2. They have not undergone ecological and evolutionary changes to adapt to the environment


3. They may become the superior competitor

1. What is a biome?


2. Can a biome be present in different continents? Why or why not?

1. A kind of ecosystem that's a function of temperature and rainfall


2. Yes, because similar environments provide similar opportunities and constraints for life

1. What do similar environments provide/lead to?


2. What's the rule of climatic similarity?


1. Similar opportunities and constraints that lead to the evolution of organisms in similar form and function, but not necessarily genetic heritage or internal makeup (and similar ecosystems)


2. Answer 1

Differences between a biotic province and a biome?


2. If we know the ____, we can make predictions about the biome

1. A biotic province is based on who is related to whom; it is an evolutionary unit. A biome is based on niches and habitats- its climate helps us determine what type of biome

1. Biomes are a function of _____ and ____.


2. Characteristics in temp and rainfall for:


a) Tundra


b_ Tropical rainforest


c) Subtropical desert


d) Savanna- what form is it

1. Niches and habitats


2. a) Low temp + Low rainfall


b) High temp + High rainfall


c) Wide range of temps + Low rainfall


d) A transitional form

1. What's convergent evolution?


2. What's divergent evolution?

1. When 2 different species share a similar set of characteristics, because they occupy similar environmental conditions.


2. When a species splits and evolves into 2 or more different species.

Island biogeography:


* Islands have _______ species than continents


*The smaller the island, the _____ the species


*The farther away the island is from the mainland, the ______ the species, because ....


* The smaller the island, the ______ individuals it can support

1. fewer


2. less


3. fewer; less resources and it is harder to get to the location


4. Less


1. The two new sources of species on islands in ________ and _______


2. What size of island tends to have fewer habitats?


3. What's the disadvantage with small populations?

1. migration and evolution


1. Small


2. Small pops can be easily wiped out by a catastrophe/storm/flood/disturbance- the smaller the op, the greater the risk of extinction

1. Islands tend to maintain a ________ number of species over time, which is the result of ......


2. Island biogeography applies to ____ and _____ islands

1. Consistent; the rate at which species are added minus the rate at which they become extinct


2. real; ecological

1. What's an ecological island?


2. What does biogeography affect?


3. What does changes in biodiversity affect?

1. A comparatively small habitat separated from a major habitat of some kind.


2. Biodiversity


3. Affect people and resources which extend from individuals to civilizations

1. What are the 3 ways that people alter biodiversity?


2. What are the pros and cons that introduced exotics have caused?


3. What are exotics?

1. * Direct hunting * Directly disturbing habitats *Introducing exotic species into new habitats


2. Pros: Becomes a food source- landscaping- pets


Cons: Can causes disastrous ecological consequences

1. Which area mostly brought about invasive species?


2. Where has the most plant pest interceptions?

1. Central/South America (Africa/Asia)


2. The airport