module 4 chapter 1Online version Ecology. by Anushka Naidu 1 What is the interaction where one species benefits, while the other species is neither helped nor harmed? a Competition b Predation c Mutualism d Commensalism 2 What characteristic is associated with r-selected species? a Longer lifespan b Slower development c Smaller body size d Higher parental care 3 Which example demonstrates mutualism? a Lions and hyenas competing for prey b A lion hunting and eating a gazelle c Clownfish living among the tentacles of sea anemones d Wolves preying on rabbits 4 Which example illustrates commensalism? a Barnacles attaching to a turtle shell b Bees pollinating flowers c Lions and hyenas competing for prey d A lion hunting and eating a gazelle 5 What tool helps ecologists understand where and how species live? a Ecological niche b Population dynamics c Species interactions d Interdisciplinary collaboration 6 which growth happens under ideal conditions and accelerates as the population grows? a Arithmetic growth b Exponential growth c Logistic growth d Geometric growth 7 What happens to population growth when the population size (N) equals the carrying capacity (K) in the logistic growth model? a Growth slows down b Growth becomes zero c Growth becomes negative d Growth accelerates 8 An increase in prey population typically precedes an increase in predator population in ecological systems. a True b false c d 9 Which of the following is a characteristic of K-selected species? a Rapid development b Small body size c Low parental care d Long lifespan e All of the above 10 Which of the following species is an example of an r-selected species? a Elephant b Whale c Fruit fly d Human 11 Which of the following involves one species resembling another to gain protection or other benefits? a Mimicry b Camouflage c Coevolution d Competition 12 Which of the following correctly describes the role of tertiary consumers in a food web? a They primarily feed on plants and algae. b They are herbivores that consume primary consumers. c They occupy the highest trophic level and feed on secondary consumers. d They are producers responsible for generating energy within the ecosystem 13 Which of the following best defines an ecosystem? a A group of organisms interacting with each other within a specific geographical area. b The study of living organisms and their interactions with the environment. c A community of organisms and the abiotic environment in which they live. d The process of analyzing how changes in the environment affect living organisms. 14 _______ refers to the maximum population size of a species that a particular environment can sustain indefinitely, given the resources available. a Ecological niche b Exponential growth c Logistic growth d Carrying capacity 15 What is the size of the offspring or eggs in R-selected species? a small b large
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