48. In what way have humans deliberately tried to improve (preserve) Earth's biodiversity? A. consumption of fossil fuels, resulting in elevated atmospheric levels of carbon dioxide B. rescue and release of the Arabian Oryx (an endangered species) into its natural habitat C. clear-cutting of forests on mountain slopes, resulting in soil erosion during rainstorms D. development of the pesticide DDT as a means to eliminate mosquito populations E. accidental release of radioactive isotopes into the air (like Chernobyl in 1986)

Q: Abiotic factors are important to biotic organisms because they include    A.Weather and rocks B.…

A: Ecosystem is composed of biotic and abiotic factors. Biotic factors or biotic components are the…

Q: A conservation biologist has been asked to explain why it is important to protect biodiversity. She…

A: The two main components of nature are biotic and abiotic factors. There is a continuous interaction…

Q: What is CITES? Group of answer choices A. Its aim is to ensure that international trade in…

A: CITES:  Full form- Convention on International Trade in Endangered Species of Wild Fauna and Flora.…

Q: 42. Which of the following would not be illegal under the Endangered Species Act? A. Having a permit…

A: Endangered species are those which are likely to be eradicated or vin vanishing state in near…

Q: 2. Imagine that a scientist suggests that the size of an insect population depends on the…

A: The scientist must observe the insect population in the laboratory. Hence option(b) is correct. In…

Q: In the Orca/sea otter/sea urchin/kelp system mentioned in another question, which species would be…

A: All the species will be affected byvthe spill of mercury or other fat soluble toxin into the…

Q: 49. In what way can deforestation, building of dams, conversion of forest to agricultural lands and…

A: Deforestation is the large-scale removal of trees from forests (or other lands) for the fulfillment…

Q: 32. Ecosystems will have a greater chance of being stable over a long period of time if they ha A.…

A: Biodiversity is a term used to depict the huge variation of life on Earth. It very well may be…

Q: If a species is no longer able to reproduce

A: A species is a summation of living organisms that consists of the same type of individuals. These…

Q: 55. Ecology can best be defined as the scientific study of ________.   A. the environmental…

A: Ecosystem is defined as the complex interaction between biotic and abiotic components of the…

Q: 16. Tamaraw has been in the critically endangered list since the year 2000. One of the reasons is…

A: Introduction A species is often defined as a group of animals, plants, or other living things that…

Q: 27. The French term parc (for privately-owned hunting preserves) has been around for centuries, but…

A: Introduction :- National parks are the sites of conservation for the wildlife. Wildlife includes the…

Q: Exotic species are especially threatening to what kind of ecosystem? a. deserts b. marine ecosystems…

A: Exotic species are defined as those which are introduced to a  new habitat intentionally or…

Q: 27. The wetland plant purple loosestrife was imported to North America from Europe. Since its…

A: C) Successfully out-competes with native plants for space.

Q: 61. Approximately 45 million acres of tropical rainforest are destroyed each year. Which of these…

A: Alternatively, the Amazon rainforest, the Amazon Jungle, also known as Amazonia in English, is a…

Q: 32. Ecosystems will have a greater chance of being stable over a long period of time if they have A.…

A: 34) a wooden area is divided by a housing development and is threatening the biodiversity of the…

Q: 86. What do you think would happen to a cell if minor DNA damage occurred that caused the cell to…

A: Note: As Per Guidelines, We Can Answer One Question At A Time. Ask Again to get rest answers.…

Q: 8. Certain types of worms live in the mud at the bottom of lakes. What does the mud represent for…

A: An ecosystem is a community of different species that interact with one another and their…

Q: What happened to the population of blue whales after hunting them was banned? A There was a…

A: When the hunting of the population of whales was banned, there was a slight increase in its number.…

Q: Which of the following is true? a. predation is a form of parasitism b. parasitism is a form of…

A: Ecology is the study of interaction of organisms with one another and with the environment. Ecology…

Q: 34. Scientists studying remote ecosystems (like the mountain forest in Asia, home to endangered…

A: Many organisms in the world are on the verge of extinction, endangered, or rare in nature. So…

Q: 21. Which of the following species, either presently or listed as endangered or threatened, has…

A: Option A i.e. Grizzly bears and option E i.e. Mountain lions are correct answers .

Q: 4. what would be an example of a landscapp ecology study? a. the investigation of how black bears…

A: Landscape ecology is the study of biology that deals with exploring and developing the interactions…

Q: 29. In some parts of the world, forests are being cut down and burned to clear land for new homes…

A: Deforestation is not a good practice because in this practice trees are removed from a particular…

Q: We learned an ironic twist in the film called "The Other Inconvenient Truth."  It was that a.…

A: An Inconvenient Truth is a documentary in which Al Gore describes the problems of climate change…

Q: 33. What would be the best way to conserve an endangered species (protect it from extinction)? A.…

A: Endangered species are those species that have high chance of getting extinct someday. In order to…

Q: A symbiotic relationship where both of the coexisting species benefit from the interaction is called…

A: Symbiosis is the interaction between two organisms whose result can be beneficial or detrimental.…

Q: 17. Wilderness (defined as undisturbed natural areas of at least 5,000 acres, and containing no…

A: C.      city parks in Chicago .

Q: D. Regulating hunting and fishing 34. A wooded area has been divided by a housing development and is…

A: Answer : 34.  The term used to describe this threat from human activities is known as- a) habitat…

Q: o as: Minimum population Minimal viable population urvival population opulation resiliency What is…

A: When a species is completely wiped off from the face of the earth with no chances of existence then…

Q: The current biodiversity crisis is due, almost single-handedly, to ________. a. conservation…

A: Biodiversity refers to the presence of variety at genetic, species and ecosystem level in organisms…

Q: 18. Global warming is due to A. Greenhouse gases B. Nitric and sulfuric acids C. CFCS D. Ozone…

A: Introduction: global warming refers to the increase in the level of greenhouse gases that lead to…

Q: If in the near future the scientific community decides with absolute certainty that there is only a…

A: Water and food scarcity, increased flooding, high heat, more disease, and economic loss are among…