BIOL 301 Midterm Exam Practice Questions and Answers

BIOL 301 Midterm Exam Practice Questions and Answers What pair of species would you expect to be commensalism? a. owls and oak trees b. osprey and herons c. coyotes and foxes d. algae and kelp - Ans:-a. owls and oak trees Which type of interaction between species results in positive outcomes for both species? a. commensalism b. mutualism c. herbivory d. heterotrophism - Ans:-b. mutualism A moose, a monarch butterfly, and a wolf are all examples of ... ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 2/28 a. autotrophs b. producers c. heterotrophs d. detritivores - Ans:-c. hterotrophs Which is the best action if an experiment does not support a hypothesis? a. create a mathematical model b. revise the hypothesis. c. test the hypothesis again d. publish your results - Ans:-b. revise the hypothesis At what ecological level does evolution occur? a. individual b. population c. ecosystem d. community - Ans:-b. population ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 3/28 Which interaction is characterized by negative effects on the fitness of both species involved? a. predation b. herbivory c. commensalism d. competition - Ans:-d. competition Which ecological level would be of most interest to an ecologist studying adaptations? a. ecosystem b. population c. individual d. community - Ans:-c. individual The boundaries of communities are ... a. difficult for species to cross. b. flexible. c. clear and distinct. ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 4/28 d. never overlapping. - Ans:-b. flexible To better understand what happens in an aquatic system (freshwater lake) when exposed to acid deposition (acid rain), an ecologist would likely look at the lake from the a. species level b. community level. c. population level d. ecosystem level - Ans:-d. ecosystem level The range of biotic and abiotic conditions a species can tolerate is its a. community b. habitat c. niche d. ecosystem role - Ans:-c. niche An ecologist who studies populations would most likely be interested in a. adaptations that help individual organisms live in their environment. b. births and deaths of individuals belonging to a particular species in a particular place. ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 5/28 c. the number and relative abundance of species living in a particular place. d. physical and chemical transformations of energy and materials in the soil, atmosphere, and water. - Ans:-b. births and deaths of individuals belonging to a particular species in a particular place. Organisms that use photosynthesis or chemosynthesis