Explain how the introduction of the Texas panthers affected the biodiversity of the Florida panther population. Provide an explanation that includes data.
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- Jaguars are a keystone species in the Amazon. Describe how they can be so essential to the ecosystem despite being significantly less abundant than many other species.會 事 3 of 6 Base your answers to questlons 14- 16 on the Information below and on your knowledge of blology. Unless actions are taken to slow the decline of domesticated honeybees and augment [increase] their populations with wild bees, many fruits and vegetables may disappear from the food supply, said Claire Kremen, a conservation biologist at Princeton University in New Jersey.. The honeybee decline, which is affecting domesticated and wild bee populations around the world, is mostly the result of diseases spread as a result of mites and other parasites as well as the spraying of crops with pesticides, scientists say. Source: "Bee Declines May Spell End of Some Fruits, Vegetables," National Geographic News, October 5, 2005 14. The decrease in the honeybee population is partly due to A. the use of pesticides B. the use of fertilizers C. a decrease in prey D. a decrease in fruits and vegetables 15. "Diseases spread as a result of mites" would be considered a factor. A. density…Direction: Analyze the situation and tell what limiting factor is being described. Choose in the box below the type of limiting factors. Mortality Natality Emigration Immigration Situation Limiting Factor 1. Every year, there's an increase in the population of migratory birds in Candava. Pampanga. 2. The increase of the population of frogs during rainy days. 3. Russian population decline due to Covid-19 effect. 4. Decrease in the population of birds when they move to another place due to unfavorable weather conditions. 5. The population in the Philippines increases due to teenage pregnancy.
- Q3.8. Suppose you are tracking the population size of a herd of bison inside a large protected park in the northern Rocky Mountains. After many years of research, you and your colleagues have estimated the carrying capacity of the park to be 800 bison. Because some bison were recently relocated into the park from elsewhere, the current population size is 900. What do you estimate the size of the herd to be in 20 years, assuming environmental and ecological conditions do not change?ENDANGERED ANIMAL is CA least tern bird 1-2 bases on the CA least tern bird Domino Effects As we’ve learned, species are not islands unto themselves; they are integrated with many other organisms in trophic relationships, mutualisms, competition, etc. How is the absence of this species (or its lowered population size) likely to impact the other members of its habitat? (If findings specific to this point are available, please include them – otherwise, I’m asking you to speculate based on what you’ve learned about the biology of this organism.) Conservation Efforts Discuss past, current, and proposed efforts to conserve this species. Are these strategies effective? Are they realistic? What is the outlook for this organism?destion 6 Which statement describes the most likely outcome for the owl and toad populations in an environment in which skyglow and glare become factors? A. Skyglow causes the owl population to experience a decrease in hunting success; glare causes the toad population to experience a decrease in mating success. B Skyglow causes the owl population to experience a decrease in hunting success: glare causes the toad population to experience an increase in mating success. C. Skyglow causes the owl population to experience an increase in hunting success; glare causes the toad population to experience an increase in mating success. D. Skyglow causes the owl population to experience an increase in hunting success; glare causes the toad population to experience a decrease in mating success.
- ENDANGERED ANIMAL is CA least tern bird 1-3 bases on the bird Reasons for Endangerment Explain the various factors that have led to this species’ current plight. Expand on these points individually, based on your species’ unique story. Domino Effects As we’ve learned, species are not islands unto themselves; they are integrated with many other organisms in trophic relationships, mutualisms, competition, etc. How is the absence of this species (or its lowered population size) likely to impact the other members of its habitat? (If findings specific to this point are available, please include them – otherwise, I’m asking you to speculate based on what you’ve learned about the biology of this organism.) Conservation Efforts Discuss past, current, and proposed efforts to conserve this species. Are these strategies effective? Are they realistic? What is the outlook for this organism?Predator Prey on Isle Royale 3000 60 2500 50 2000 40 Number of 1500 30 Moose - Number of Wolves 1000 20 500 10 0+ 1950 1960 1970 1980 1990 2000 2010 Years 1. What is the greatest moose population? What year did that occur? What was the wolf population when the moose population the greatest? 2. What would happen to the wolf population if the moose population decreases? 3. What would happen to the moose population if the wolves were removed from Isle Royale? 4. Describe the pattern between the wolf (predator) population in relation to the moose (prey) population. 5. Identify a factor, other than moose population, that has influenced the wolf population in Isle Royale. 6. Identify two factors, other than the wolf population, that may influence the moose population. Moose WolvesSurvivorship Curve Type I (humans) Type II (birds) Type III (trees) Time Select the statement that is best supported by this survivorship curve. O relatively few trees live to old age O birds are more likely to survive to be old than humans are most humans die young all trees are larger than all humans Number individuals surviving (log scale)
- Deer Population on an Island 120 100 96 80 78 60 6아 40 36 20 TO 1 2 3 4 5 6 7 8 9 10 11 12 Number of Months Dear population 1-During which months was the growth of the deer population exponential? | 2-Give one possible reason why the population decreased after 5 months 3-What is the approximate carrying capacity of the island? 4-Explain "carrying capacity" 5-What type of density independent factors may cause the population to decrease (name 2)? 6-What type of density dependent factors may cause the population to decrease (name 2)? 7-Overall, do deer populations seem to exhibit exponential or logistic growth? Explain why Number of DeerThe diagrams below show very simplified species relationships for certain areas of African savanna. Recall what the direction of arrows means for each type of diagram. Then use these simplified diagrams to answer the next 3 questions. (Note: Real-world savannas support more species with more complex relationships.) Elephants Trees Trees Savanna Food Web Lions Zebra Shrubs Competition Among Savanna Plants Shrubs Cheetahs Gazelle Grasses Grasses Q5.6. If you removed all the Lions from a large area of savanna, which of the following is a DIRECT effect that could be explained by the diagrams?#1 endangerered or threatened animal is Javan Rhinos write a summary on Javan rhinos considering answering these questions.