Question options a habitat ecology b systemic analysis c ecosystem ecology d

Question options a habitat ecology b systemic

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Question options: a) habitat ecology b) systemic analysis c) ecosystem ecology d) biosphere studies Question 12 2.5 / 2.5 points Ecologists who study the way species interact with each other in a specified area are focused on Question options: a) habitats. b) communities. c) niches. d) biomes. Question 13 2.5 / 2.5 points Which atmospheric layer enables radio transmissions? Question options: a) Troposphere b) Stratosphere
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c) Ionosphere d) Thermosphere Question 14 2.5 / 2.5 points The foremost emitters of methane are Question options: a) oceans and rivers. b) oil and gas industries. c) landfills. d) sheep ranches. Question 15 2.5 / 2.5 points Which planet is in the so-called "Goldilocks zone"? Question options: a) Earth b) Mars c) Jupiter d) Venus Question 16 2.5 / 2.5 points
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The current rate of species extinction is conservatively estimated at _______ times greater than the background rate. Question options: a) 20 to 200 b) 50 to 5,000 c) 100 to 1,000 d) 300 to 3,000 Question 17 2.5 / 2.5 points Which statement best characterizes the temperate grassland biome? Question options: a) The rainy season lasts for six to eight months. b) During the parched dry season, fires turn vegetation to ash. c) This biome features perennial grasses as well as flowering plants called forbs. d) This biome includes strands of trees separated by grasses. Question 18 2.5 / 2.5 points According to the course, which of these has not been linked to damage caused by UVB radiation? Question options: a) Destruction of DNA b) Melanoma and premature aging
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c) Basal cell and squamous cell carcinomas d) Severe sunburn Question 19 2.5 / 2.5 points A(n) _______ is the natural space inhabited by a particular plant or animal. Question options: a) habitat b) ecoregion c) community d) ecosystem Question 20 2.5 / 2.5 points Where did humans first domesticate horses? Question options: a) American high plains b) Asian steppes c) African veld d) Argentine pampas Lesson 5 Exam Question 21 2.5 / 2.5 points The _______ ratio compares the number of economically productive people within a specific population to the number of people younger than 15 and older than 64.
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Question options: a) dependency b) productivity c) producer-consumer d) age to productivity Question 22 2.5 / 2.5 points Which statement is true regarding global population growth trends? Question options: a) Over the last 10,000 years, the human population has climbed slowly but steadily.
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