vocabulary - Woodland Hills School District
... What are key characteristics of PA’s mammals? How are animal tracks used to survey animals? What is biodiversity? How do organism interact in an ecosystem What is fitness? How do adaptations influence survival? What are some examples of structural and behavioral adaptations? How do h ...
... What are key characteristics of PA’s mammals? How are animal tracks used to survey animals? What is biodiversity? How do organism interact in an ecosystem What is fitness? How do adaptations influence survival? What are some examples of structural and behavioral adaptations? How do h ...
D. Adaptive Radiation
... • Evolutionary change is slow and imperceptible from generation to generation • Over the course of thousands and millions of years, major changes could occur ...
... • Evolutionary change is slow and imperceptible from generation to generation • Over the course of thousands and millions of years, major changes could occur ...
climate change
... 6th Mass Extinction Need more discussion about role of specific environmental programs ...
... 6th Mass Extinction Need more discussion about role of specific environmental programs ...
4 & 5 short Biodiversity
... wildlife populations may be resulting in inbreeding •Habitat corridors are protected ...
... wildlife populations may be resulting in inbreeding •Habitat corridors are protected ...
Chapter 5: Biodiversity, Species Interaction, Population Control
... • May weaken but rarely kills host • Some live in host (tapeworms) some attach to outside of host (lampreys) • Some have little contact with hosts (cowbirds) • Coevolution can happen (malaria) ...
... • May weaken but rarely kills host • Some live in host (tapeworms) some attach to outside of host (lampreys) • Some have little contact with hosts (cowbirds) • Coevolution can happen (malaria) ...
Species A
... In the natural course of events, species become extinct for a number of reasons, including but not limited to: • extinction of a necessary host, prey or pollinator • inter-species competition • inability to deal with evolving diseases • Sudden changing environmental conditions Recently, HUMANS have ...
... In the natural course of events, species become extinct for a number of reasons, including but not limited to: • extinction of a necessary host, prey or pollinator • inter-species competition • inability to deal with evolving diseases • Sudden changing environmental conditions Recently, HUMANS have ...
BIODIVERSITY - MrsPage.com
... Habitat Diversity Variety of forests, deserts, grasslands, lakes, oceans, coral reefs, wetlands, and other biological communities, (niches per unit area). ...
... Habitat Diversity Variety of forests, deserts, grasslands, lakes, oceans, coral reefs, wetlands, and other biological communities, (niches per unit area). ...
Evolution and Biodiversity
... Extinction Local, ecological and true extinction The ultimate fate of all species just as death is for all individual organisms 99.9% of all the species that have ever existed are now extinct To a very close approximation, all species are extinct Background vs. Mass Extinction Low rate ...
... Extinction Local, ecological and true extinction The ultimate fate of all species just as death is for all individual organisms 99.9% of all the species that have ever existed are now extinct To a very close approximation, all species are extinct Background vs. Mass Extinction Low rate ...
Defining Biodiversity
... to New Zealand by humans, either by accident of design. Another term is “exotic species”. Invasive Species: ...
... to New Zealand by humans, either by accident of design. Another term is “exotic species”. Invasive Species: ...
Raven_ppt_ch17
... Landowner allowed to set aside land for endangered species, but develop other land with those species ...
... Landowner allowed to set aside land for endangered species, but develop other land with those species ...
Chapter 4 and 5 Study Guide Q`s
... example of each. Explain how each of these species interactions can affect the population sizes of species in ecosystems. 2. Describe and give an example of resource partitioning and explain how it can increase species diversity. 3. Distinguish between a predator and a prey species and give an examp ...
... example of each. Explain how each of these species interactions can affect the population sizes of species in ecosystems. 2. Describe and give an example of resource partitioning and explain how it can increase species diversity. 3. Distinguish between a predator and a prey species and give an examp ...
Populations - jfindlay.ca
... What actions have humans taken to increase the carrying capacity of our species? - Early on: using fire, making simple tools/weapons - Improvements in public health, education, agriculture, medicine, technology - Exploiting huge amounts of energy and resources to run complex, modern societies ...
... What actions have humans taken to increase the carrying capacity of our species? - Early on: using fire, making simple tools/weapons - Improvements in public health, education, agriculture, medicine, technology - Exploiting huge amounts of energy and resources to run complex, modern societies ...
Consequences of lost of Biodiversity on Tropical Rainforests
... Francisco Brenes Laurens van Veen ...
... Francisco Brenes Laurens van Veen ...
Evolution of Biodiversity
... • Mutations: change in DNA • Which of the following is a real mutation found in humans? a. Lactose tolerant b. AIDS immunity c. Blue eyes ...
... • Mutations: change in DNA • Which of the following is a real mutation found in humans? a. Lactose tolerant b. AIDS immunity c. Blue eyes ...
Mrs. Ashley`s PowerPoint Chapter 5 Evolution and
... environment in which it performs well. The limit to the abiotic conditions they can tolerate is known as the range of tolerance. ...
... environment in which it performs well. The limit to the abiotic conditions they can tolerate is known as the range of tolerance. ...
Acid Precipitation
... current rapid decrease in Earth’s variety of life. Extinction is a natural phenomenon that has been occurring since life evolved on earth. The current rate of extinction is what underlies the biodiversity crisis. A high rate of species extinction is being caused by humans. ...
... current rapid decrease in Earth’s variety of life. Extinction is a natural phenomenon that has been occurring since life evolved on earth. The current rate of extinction is what underlies the biodiversity crisis. A high rate of species extinction is being caused by humans. ...
Chapter 54 – Community Ecology Ecological Niche • Species` total
... Low extinction (more resources) Closer to land = more immigration Summary Most species richness if: Big island Close to mainland Least species richness if: Small island Far from mainland ...
... Low extinction (more resources) Closer to land = more immigration Summary Most species richness if: Big island Close to mainland Least species richness if: Small island Far from mainland ...
Population
... Density Dependent Factors • Density Dependent Limiting Factors – depends on population size and density • Factors act most strongly when population is large and dense – Ex: Competition – Ex: Predation – Ex: Parasitism ...
... Density Dependent Factors • Density Dependent Limiting Factors – depends on population size and density • Factors act most strongly when population is large and dense – Ex: Competition – Ex: Predation – Ex: Parasitism ...
species diversity
... • Endangered species are those considered in imminent danger of extinction • Threatened species are likely to become endangered, at least locally within the forseeable future. • Vulnerable species are naturally rare or have been locally depleted by human activities to a level that puts them at risk. ...
... • Endangered species are those considered in imminent danger of extinction • Threatened species are likely to become endangered, at least locally within the forseeable future. • Vulnerable species are naturally rare or have been locally depleted by human activities to a level that puts them at risk. ...
Ecology - TeacherWeb
... 3. What are heterotrophs? Why do we call them consumers? 4. List the different types of heterotrophs? On what basis to we classify them? 5. Compare and contrast a food chain with a food web. 6. Explain the term “trophic level” 7. What is the 10% rule as it relates to energy transfer in a food chain? ...
... 3. What are heterotrophs? Why do we call them consumers? 4. List the different types of heterotrophs? On what basis to we classify them? 5. Compare and contrast a food chain with a food web. 6. Explain the term “trophic level” 7. What is the 10% rule as it relates to energy transfer in a food chain? ...
Mass Extinctions
... • On land a total breakdown of terrestrial ecosystems occurred. Most vertebrate and plant groups went extinct. • The Earth came close to a pre-Ediacaran (Late Proterozoic) state – i.e., being nearly devoid of multicellular animal and plant life. • Cause(s) of the extinction are not totally known, bu ...
... • On land a total breakdown of terrestrial ecosystems occurred. Most vertebrate and plant groups went extinct. • The Earth came close to a pre-Ediacaran (Late Proterozoic) state – i.e., being nearly devoid of multicellular animal and plant life. • Cause(s) of the extinction are not totally known, bu ...
Chris Dickman - Sustainable Population Australia
... have been extirpated by human activity • Potentially catastrophic losses of more species, populations, ecological processes and services are inevitable as the human population grows • Cultural memory loss and disconnection to the environment are likely with more people (and increasing urbanisation), ...
... have been extirpated by human activity • Potentially catastrophic losses of more species, populations, ecological processes and services are inevitable as the human population grows • Cultural memory loss and disconnection to the environment are likely with more people (and increasing urbanisation), ...
Chap53_Community_Ecology
... the soil making process. • Early successional species = often r-selected species able to tolerate extremes of abiotic conditions. • Midsuccessional species and late successional species = often K-selected species which can inhibit, facilitate, or tolerate other species producing unique combinations ...
... the soil making process. • Early successional species = often r-selected species able to tolerate extremes of abiotic conditions. • Midsuccessional species and late successional species = often K-selected species which can inhibit, facilitate, or tolerate other species producing unique combinations ...
Extinction
In biology and ecology, extinction is the end of an organism or of a group of organisms (taxon), normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point. Because a species' potential range may be very large, determining this moment is difficult, and is usually done retrospectively. This difficulty leads to phenomena such as Lazarus taxa, where a species presumed extinct abruptly ""reappears"" (typically in the fossil record) after a period of apparent absence.The age of the Earth is about 4.54 billion years old. The earliest undisputed evidence of life on Earth dates at least from 3.5 billion years ago, during the Eoarchean Era after a geological crust started to solidify following the earlier molten Hadean Eon. There are microbial mat fossils found in 3.48 billion-year-old sandstone discovered in Western Australia. Other early physical evidence of a biogenic substance is graphite in 3.7 billion-year-old metasedimentary rocks discovered in Western Greenland. More than 99 percent of all species, amounting to over five billion species, that ever lived on Earth are estimated to be extinct. Estimates on the number of Earth's current species range from 10 million to 14 million, of which about 1.2 million have been documented and over 86 percent have not yet been described.Through evolution, species arise through the process of speciation—where new varieties of organisms arise and thrive when they are able to find and exploit an ecological niche—and species become extinct when they are no longer able to survive in changing conditions or against superior competition. The relationship between animals and their ecological niches has been firmly established. A typical species becomes extinct within 10 million years of its first appearance, although some species, called living fossils, survive with virtually no morphological change for hundreds of millions of years. Mass extinctions are relatively rare events; however, isolated extinctions are quite common. Only recently have extinctions been recorded and scientists have become alarmed at the current high rate of extinctions. Most species that become extinct are never scientifically documented. Some scientists estimate that up to half of presently existing plant and animal species may become extinct by 2100.