Ecosystem Study guides, Class notes & Summaries

What is a drawback of heavy dependence on pesticide us? a. It is extremely expensive b. Pest resistance c. It negatively affects crop yields d. None of the above - ANSWER-b. Pest resistance ____________ are pesticides that are either naturally derived or synthesized. a. Chemical controls b. Biologic controls c. Natural controls d. Applied controls - ANSWER-a. Chemical controls Continual use of the same pesticide can lead to? a. Pesticide resistance b. Loss of public support c. L...

List the roles plants play in a healthy aquatic ecosystem. correct answers-producing oxygen -preventing shoreline erosion -lessening excess nutrients during growing season -stabilizing lake bottom -providing food and habitat for fish, waterfowl, and other aquatic animals List ways that excessive plant growth can adversely affect the ecology and uses of a water body. correct answers-harm ecology of aquatic ecosystem -curtail or prevent recreational water uses (e.g. fishing, boating, swim...

Primavera Biology B Unit 5: Ecology Questions and Answers 100% Pass CHECKPOINT 22 Which describes symbiosis? Two organisms belonging to different species live closely together and have specific interactions. What is the most specific ecological level? an organism A tick feeding off the blood of a dog is an example of which type of relationship? parasitism In which of the following situations would primary succession occur? on an island just formed by a volcano Which of the following descr...

What is homeostasis - the process whereby living organisms regulate their cells and bodies to maintain relatively stable internal conditions What are the characteristics of living things - 1. Cells and Organization 2. Energy use and metabolism 3. Response to environmental changes 4. Regulation and homeostasis 5. Growth and Development 6. Reproduction 7. Biological Evolution atom - the smallest component of an element having the chemical properties of the element molecule - Two or more ...

Test Bank For Elements Of Ecology, 9th Edition Thomas M. Smith, Robert Leo Smith Elements of Ecology, 9e (Smith) Chapter 1 The Nature of Ecology 1.1 Short Answer Questions 1) ________ is activism with a stated aim of protecting the natural environment, particularly from the negative impacts of human activities. Answer: Environmentalism Topic: Section 1.1 Bloom's Taxonomy: Knowledge/Comprehension 2) ________ is the scientific study of the relationship between organisms and their environment. Ans...

Test Bank for Prescott's Microbiology 12e 12th Edition by Joanne Willey, Kathleen Sandman and Dorothy Wood. ISBN-13: 8393 Full Chapters test bank Part One Introduction to Microbiology Chapter: 1. The Evolution of Microorganisms and Microbiology Chapter: 2. Microscopy Chapter: 3. Bacterial Cell Structure Chapter: 4. Archaeal Cell Structure Chapter: 5. Eukaryotic Cell Structure Chapter: 6. Viruses and Other Acellular Infectious Agents Part Two Microbial Nutrition, Growth, and Co...

LCR4805 ASSIGNMENT 2 MEMO - SEMESTER 1 - 2023 - UNISA - (DETAILED ANSWERS WITH REFERENCES - DISTINCTION GUARANTEED) ASSIGNMENT 2 QUESTION 1 We live in an “information age” and the question which often arises is whether information can be stolen. Refer to the common law definition of “theft” and critically discuss whether the law in South Africa has adapted to keep up with technological advancements. Discuss comparatively by referring to the positions in other jurisdictions and incl...

Which situation is a strong example of an advantageous relative location? A. A city improves its irrigation system. B. A city improves its river trade. C. A city promotes solar energy. D. A city promotes rooftop gardens. - B. A city improves its river trade How might changes in the supply of energy, temperature, or light affect an ecosystem? A. The ecosystem's biome might also be harmed. B. The ecosystem's species might suddenly multiply. C. The ecosystem's structure might be signific...

___ are commercially harvested in South America for their skins. - Tegus ___ are commercially harvested in South America for their skins. - Tegus ___ are most often traded for meat in southeast Asia. - freshwater turtles ___ are most often traded for meat in southeast Asia. - freshwater turtles ___ are ratite birds that still exist today in New Zealand. - Kiwis ___ are the most primitive flying birds. - Tinamous ___ are thought to suffer seriously from predation by Green Crabs. - shellfish...