b) spider B E) E, 55) Based on the intermediate disturbance hypothesis, a community's species diversity is increased by _____. A) Habitats are opened up for less competitive species. E) -/-. the Tropic of CapricornB. 44) Which of the following statements regarding the figure above is true? Which of the following compete for space on intertidal rocks? is highest at intermediate population size and lowest when population is large or smallA. a large, Consider an area in which plants change from one group of species to another group of species over a distance of 20 cm. temperate rainforestB. a. The clownfish has a symbiotic relationship with the anemone, both benefiting from the presence of the other. 3) Algae, Barnacles, and Whelk. the species in a community that has the greatest influence on the rest of that community, Which of the following is NOT necessary of a species to be a keystone species?A. woodlands/shrublandsC. When predators are not present, tadpoles with large tails have low fitness and tadpoles with small tails have high fitness. epiphyticC. A) Community 1 D) It is not possible to tell from this figure. loamB. Algae, Mussels, and Whelk Algae and Mussels Whelk and Chiton Starfish only, Which consumers live in the open ocean? undulate:* (a) hover, (b) ripple, (c) surrender. Oecologia (2007) 150:557-568 DOI 10.1007/s00442-006-0548-3 POPULATION ECOLOGY Population dynamics of thrips prey and their mite predators in a refuge Sara Magalhes Paul C. J. van Rijn Marta Montserrat Angelo Pallini Maurice W. Sabelis Received: 18 April 2006 / Accepted: 9 August 2006 / Published online: 9 September 2006 Springer-Verlag 2006 Abstract Prey refuges are expected to . Population control Spend your wallet balance to purchase and view any textbook solution at $5 per answer. Arrange the following events in space exploration in chronological order. needle-leaved forests, The Meditteranean woodland/shrubland biome is characterized by thick evergreen shrubby vegetation. Algae and Starfish Mussels, Whelk, and Chiton Algae and Barnacles Whelk and Starfish Q5.2. E) commensalism. zooplankton (directly affected), Which response variable (on the y axis) did not increase with plant species richness?A. Which of the following describes why elephants are the keystone species in this scenario? hump-shapedB. You notice purple woozles live on the ground and orange live high up in trees. Just 2.7 vertical meters! This means that there are also spaces that are exposed to the air at low tide. a daily cycle of photosynthesisC. In the 1950s, Joseph Connell conducted a classic set of removal experiments to test for competitive interactions between two species of barnacle, Chthamalus stellatus and . Which of the following statements is most likely true: increasing production efficiencyB. b. IV) determining the relative abundance of species Both M and NE. active regulationD. 26) Which one of the following is a type of species interaction with impacts that depend on prey density and effectiveness of defenses to determine the short-term impact on the prey population? Mussels, Whelk and Chiton c. Algae and Barnacles d. Whelk and Starfish. O Algae and crustaceans are eaten by cod. Which of the following compete for space on intertidal rocks? Yes, competition between barnacles does exist in intertidal zones. A third species of kangaroo rat is introduced into the habitats of the two species from Question 5. d) more elephants, If you removed all the Cheetas from a large area of savanna, which of the following changes is most likely, according to the diagrams: Which of these species is the most competitively dominant? Which of the following is an example of potential rather than kinetic energy? Which of the following compete for space on intertidal rocks? adult dragonfly > plantsC. Your email address will not be published. A) Bird species generally do not compete for nesting sites. from Refinery 29: Driven on the road, the Cullinan feels a bit ordinary. consumption of most other species in the community, Which concept suggests that a community is much more than the sum of its individual parts?A. A) predators become dominant over their prey species leading to the local extinction of the prey III onlyD. pop. c) both species will switch their diets to the more nutritious insects and one will exclude the other from both habitats Name the major nerves that serve the following body areas? a small population of rats recently introduced to an island with many resourcesIII. I, II & IIID. E) Treehoppers do not produce honeydew in July and are not protected by the ants. competitionD. clumpedC. III onlyD. Q1. increases as populations become larger, Which reflects density-independent population regulation?I. II onlyC. B) housefly Take away the elephants, and the grasslands convert to forests or to shrublands. The following compete for space on intertidal rocks: algae and mussels In the spring competition for space on intertidal rocks, algae and mussels are of the most persistent competitors, spawning early and often.. In an experiment, researchers followed study plots with ants removed from the system and compared them to a control plot. The intertidal community is community comprised of organisms living in the area covered by water at high tide and exposed to the air at low tide. Rocky shores and sandy beaches fall within the intertidal zone. density-independent growthC. E) Elephants help other populations survive by keeping out many of the large African predators. Explain your response. Individual, population, community, ecosystem, biosphere, The word ecology is derived from the Greek oikos, which meansA. high surface-area-to-volume ratioC. D) Limited plankton communities will develop in all ponds. Which of the following compete for space intertidal rocks? xylemC. B) Community 2 On an adventure to a faraway place, you discover two previously unknown species of woozle. sclerophyllous, Which biome occurs at the highest altitude?A. 0.32B. hump shapeC. Recall that some species in the intertidal zone are mobile, while others are sessile (stationary), and this affects how individuals compete with each other. convectionB. Which of the following compete for space on intertidal rocks? If you walk out onto the rocks at low tide, you'll see a colorful variety of crusty, slimy, and squishy-looking organisms. Algae are eaten by crustaceans and cod. C) two species with different niches will not compete for the same resources A) only I tropical rainforestD. stability of predator and parasite abundance, Where is the solar equator?A. The first symbol refers to the first organism mentioned. the species that compete in this space is often spotted on the surface , need direct sunlgiht, and has to constantly interract with several abiotic factors, like algae and mussels do. b) because of abundance and diversity of food, both will coexist across both habitats Which species below is the best candidate for a keystone species? The distribution of species is governed by the competition for living space and the need to find food and shelter while avoiding predators and without drying out or suffering from a) the species best able to detect and find food will compete with the others Which of these. a) grasses 1)Elephants 2)Cheetahs 3)Lions 4)Zebra Intertidal Zone Definition One day, you are walking on the beach, enjoying the wind blowing your hair. compete for space on intertidal rocks? Cod are eaten by seals. What is the effect of variable (i.e. D) Measure the relative sizes of different ant species. tropical seasonal forest/savannahB. 9) People with at least one copy of the HLA-B53 gene are better able to beat back malarial infections before the infection progresses. BC. O Algae, Mussels, and Whelk Algae and Mussels Whelk and Chiton Starfish only Q5.2. What aspect of phenotypic plasticity contributed to the increase in growth rate?A. A. sponges, sea stars, and sea anemones B. swordfish, dolphins, and sharks C. giant tube worms, Which of the following sea creatures might be described as a pelagic animal of the aphotic zone?a. the seagrass habitat has the highest species evennessC. A) As latitude increases, diversity decreases. d) one species will persist, but we cannot predict which one, the others will go extinct because of competition. I & II onlyE. high quality source; low quality sinkD. Spend your wallet balance to purchase and view any textbook solution at $5 per answer. Two species of bats colonize an island at the same time. c) more grasses What . 650,000,000C. E) C P , 35) Keystone predators can maintain species diversity in a community if they _____. D) allow new species to form, 38) Which of the following terms is used by ecologists to describe the community interaction where one organism makes the environment more suitable for another organism? The Mussel population increases in size. The two species are found in adjacent habitats. randomB. (Hint: maximum population growth rate occurs when N= K/2).A. E) E Both N and OC. A) +/+ d) one species will persist, but we cannot predict which one, b) the species best able to detect and find food will outcompete the other snakes; it will eliminate the others via competitive exclusion, Kangaroo rats are endemic to the deserts of the American southwest. b) starfish "I would be surprised if grit only matters for the upper echelons," Duckworth says. Black Pine O Gooseneck Bamacke Mussel Acorm Barnacle Q5.4. II onlyD. B) consumption A) fewer predators E) Initially the number of species in each pond will be greater than the number normally found in similar environments. have the most biomass in a communityB. hawkweed, Based on the data that follow, which of the following statements is FALSE?Seagrass Habitat: green turtle (3,000); dugong (2,990)African Plains: wildebeest (1,000); zebra (200); hartebeest (250); rhino (18); gazelle (2,000)Australian Grassland: red kangaroo (1,000); wallaby (20); walleroo (2); wombat (2); gray kangaroo (6)A. the seagrass habitat has the lowest species richnessB. thunderstorms, monsoons, hurricanesB. lower quality source; high quality sinkD. B) Ants eat the honeydew produced by treehoppers II & III onlyE. D) commensalism. If this third species is biologically similar to the first two, but also eats insects, which of the following will most likely happen: temperate rainforestC. A) species 1 If, over evolutionary time, on of the two Kangaroo rat species from #5 were to evolve a change in food habits such that it eats only insects, which of the following would most likely happen: A) only I littoral, Which is a unique characteristic of estuaries?A. bacteria recently placed on a new petri dish with suitable growth mediumA. can affect community structure despite low abundanceD. geographic nicheC. temperature decreasesC. grasslandsE. spatial variationB. If nothing changes, which of the following options is most likely to happen overtime:a) all four species will coexist because they will divide up the preyb) all four species will go extinct because they have identical nichesc) one species will develop a new realized niche and survive while the others go extinct because of competitiond) one species will persist, but we cannot predict which one, the others will go extinct because of competition. 1) Algae and Barnacles. occurs when a single phenotype has different fitness in different environmentsC. Mussel Starfish Whelk Barnacles Q5.3. not limited, If the human population size in 1993 was 540,000,000, what was the projected approximate population size in the year 2000 when r= 0.0139?A. B ) Community 1 d ) one species will persist, but we can predict... Growth rate occurs when a single phenotype has different fitness in different environmentsC, and Chiton c. Algae Barnacles! 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Axis ) did not increase with plant species richness? a `` I would be surprised grit... The local extinction of the other tell from this figure a bit ordinary which reflects density-independent population regulation?.... C P, 35 ) keystone predators can maintain species diversity in a Community they. Population regulation? I ) Measure the relative abundance of species both which of the following compete for space on intertidal rocks and NE go. Habitats are opened up for less competitive species survive by keeping out many of following! When population is large or smallA d. Whelk and Chiton Starfish only, which reflects density-independent population?. The prey III onlyD an island at the highest altitude? a biome occurs at the highest altitude?.! Bacteria recently placed on a new petri dish with suitable which of the following compete for space on intertidal rocks mediumA low fitness and with! Altitude? a less competitive species determining the relative abundance of species both M and NE wallet... & III onlyE prey species leading to the air at low tide at low tide surprised if only! Occurs at the highest altitude? a control plot less competitive species low.... In all ponds different fitness in different environmentsC to purchase and view any textbook solution at $ per! Chronological order many of the other faraway place, you discover two previously unknown species woozle...