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- b) Figure 7 shows population growth of Proboscis monkeys over time. 2.0E carrying capacity V 1.5- Monkey populations 1.아- 0.5- Time Figure 7 i) State the type of population growth. ii) Proboscis monkeys nomally live in groups in their natural habitat. What is the dispersion pattern for this monkey population? iii) Describe what happens to Proboscis monkey population at V. 12 iv) Give one (1) possible example of density-dependent factor that affects the Proboscis monkey population.The table below shows the size of species A and B populations that live on a small island near Philippine.a) State how the information in the table can be used to determine thatthe species B is the predator.b) Briefly explain TWO (2) possible ecological reasons, other than humanactivity, for the change in species A population between 1985 and 1990.c) Name TWO (2)limiting factors that keep the species B population sizefrom growing any larger.at Del or or 1. An experimental study is conducted to determine whether a new drug reduces high blood pressure. The change in systolic and diastolic blood pressure values of the participants represents the a. independent variable b. dependent variable c. hypothesis d. theory e. control group 2. These data are from two enclosures: one with light-colored soil (left), and one with dark-colored soil (right). How many dark brown mice were caught in the light-colored soil enclosure on a moonlit night? a. 12 b. 17 C. 19 d. 37 C Number of mice caught 40 35 30 25 20 15 10 5 0 Light coat Dark coat Number of mice caught c. the number of mice caught d. the color of the soil 40 35 30 25- 20- 15 10 5 0 Light coat Dark coat Full moon No moon Full moon No moon B: Dark-colored soil A: Light-colored soil Data from D. W. Kaufman, Adaptive coloration in Peromyscus polionotus: Experimental selection by owls, Journal of Mammalogy 55:271-283 (1974). 3. In this figure above, what is the dependent variable,…
- 3. A 1998 study of grizzly bears in the Kananaskis area estimated the population size at 48 to 56 individuals. The study area encompassed 4000 hectares. a) Use the values to determine maximum and minimum density estimates for the population.Unnecessaryexclusionofclinicallyrelevantpopulationsmayleadtofailuretodiscover evidence that relates to: A) Effectiveness B) Safety C) Cost D) BothAandBWhich of the 4 competition isoclines shown below indicates competitive exclusion of species 1 by species 2? N₁ Case 1 N. 1 K ₁ 1 K, & 2 21 Case 3 K & 2 21 K ₁ O Case 1 Case 2 Case 3 K N -2 N 2 2 K +2 K +%* 1 12 K & 12 K N₁ ✔ N₁ 1 2 21 K K K & Case 2 2 Case 4 21 N. K N 2 1 12 2 2 +/+* 12 K 2
- Under which scenario can a hawk successfully invade (or persist among) a population of doves? Group of answer choices C) Lowest resource value (V << C) D) Options A and B E) Options B and C F) Options A, B, and C B) Lower resource value relative to cost (i.e., V > C and V < 2*C) A) When high resource value relative to cost (i.e., V = 2*C)8) Distinguish between the various interspecific interactions that occur between species in a community. Type of interaction Definition +/+, +/-, +/0, -/- Example(s) Competition Herbivory Predation Parasitism Mutualism Commensalism 9) Outline the symbiotic role of zooxanthellae and reef-building coral species.1. Answer the following questionsa)How long will it take for a dolphin population to be reduced by 50% if the intrinsic rate of increase is -.04?b)In the last 70 years the blue whale population decreased from 340,280 to 4,727. What is the intrinsic rate of decrease (r)? c)If the current intrinsic rate of increase for blue whales is .1, how long will it take the current population of 4,727 to climb back to 340,280?
- E. Tolerance limits are that limit a species' survival. A) temperature ranges B) any environmental conditions C) population sizes D) narrow salinity levels11. Calculate the estimated population size, N, given a study that initially marked 100 animals and subsequently captured 50, of which 25 were marked. 12. When sampling a species that has clumped distributions, which approach listed below is best? A) sampling at random locations B) counting every individual C) calculating an ecological density D) assuming a uniform distributionDescribe and give (an example) the following relationships between organisms. a) predation b) parasitism c) mutualism