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Which of the following is an emergent property at the ecosystem level of organization? a.) The types of ecosystems b.) The differences between organisms within a species c.) The interactions between communities d.) The relative abundance of species SUBMIT MY ANSWER c.) The interactions between communities Which of the following is an emergent property at the population level of organization? a.) The geographical distribution of species in relation to each other b.) The number of c...

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12 pages

Written in 2023/2024

Grade A+

Lanari

SCI 200 UNIT 1 CHALLENGE 3 QUESTIONS AND ANSWERS GRADED A+

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11 pages

Written in 2022/2023

Grade A+

Nursejustin

Which of the following is an example of a nonpoint source of pollution? - answer-a "weed and feed" fertilizer application by a lawn-care company Which environmental worldview is in most agreement with the following statement? "The Earth's resources are limited, should not be wasted, and are not all for us." - answer-environmental wisdom worldview Which of the following is a characteristic of the industrial-medical revolution? - answer-movement from farming employment to factory emplo...

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41 pages

Written in 2024/2025

Grade A

Lectsavvy

SCI 200 Final Exam with Verified Answers 1. What is the haploid number of chromosomes for 23 humans? 2. Mitosis Prophase, metaphase, anaphase, telophase 3. What are the parts of the cell (plasma) mem- brane? 4. What stage of the cell cycle does DNA replication occur? Phospholipid, protein, and carbohydrate S Phase 5. Endocytosis Cell membrane sur- rounds a molecule (like a protein) and forms a vesicle around the mol- ecule which is brought inside the cell 6. Cell Smallest ident...

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6 pages

Written in 2024/2025

Grade A+

learndirect

SCI 200 All units & Milestones Exam Resources with complete solutions 100% verified

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20 items

LectBenFranklin

SCI 200--Unit 1 Challenge 3 Questions and Answers 100% Pass Which of the following is an effect on the environment from increased demand for energy? a.) Over-reliance on dams b.) Loss of woodland ecosystems c.) Atmospheric pollution and climate change d.) Ocean pollution c.) Atmospheric pollution and climate change An environmental effect caused by increased need for land is __________. a.) contaminated groundwater b.) habitat degradation c.) air pollution d.) invasive specie...

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7 pages

Written in 2023/2024

Grade A+

LectBenFranklin

Abandonment the abdication of insured property into the hands of another, or into the possession of no one in particular Absolute Liability Liability that arises from an extremely dangerous situation. Often found in cases involving explosives. Also known as "strict" liability. For example, you are absolutely liable if you keep a wild animal as a pet. Accident an unplanned, unforseen event which occurs suddenly and at a specific place Actual Cash Value the required amount to pay damages f...

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27 pages

Written in 2023/2024

Grade A+

Lanari

Which of the following is an effect on the environment from increased demand for energy? a.) Over-reliance on dams b.) Loss of woodland ecosystems c.) Atmospheric pollution and climate change d.) Ocean pollution c.) Atmospheric pollution and climate change An environmental effect caused by increased need for land is __________. a.) contaminated groundwater b.) habitat degradation c.) air pollution d.) invasive species SUBMIT MY ANSWER b.) habitat degradation An increased nee...

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7 pages

Written in 2023/2024

Grade A+

Lanari

Citizens of the United States eat __________ kilograms of meat per person per year. 44 120 76 90 120 Choose the statement about human population growth that is NOT true. The U.S. standard of living requires land space of over nine football fields per person. To meet basic survival needs, people in poor countries often degrade the environment. A planet three times the size of Earth would be needed to sustain the current population if all people lived at the United States' standard of li...

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8 pages

Written in 2023/2024

Grade A+

Lanari

According to the one-year calendar model based on the Big Bang theory, the solar system was created in ___________. a.) January b.) December c.) August d.) September c.) August According to the one-year calendar model based on the Big Bang theory, which of the following events happened on December 31st? a.) Modern humans first appeared. b.) Life appeared on Earth. c.) The Big Bang occurred. d.) The solar system was created. a.) Modern humans first appeared. According to the...

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8 pages

Written in 2023/2024

Grade A+

Lanari

Which statement below about Rachel Carson and her contributions to environmental awareness is true? She wrote an important book that closed the gap between biological and social sciences by examining the interactions between all living things. She wrote in 1949 that humans and nature depend on one another and humans are ethically obligated to protect the environment. She died in 1862, but she had great influence shaping the philosophy of modern-day environmentalism with early calls for pr...

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8 pages

Written in 2023/2024

Grade A+

Lanari

Correctly identify what event, agent or process of those given below is responsible for the current atmosphere on Earth of 20% oxygen. Volcanic activity Photosynthesis Ozone layer formation The water cycle Photosynthesis Which of the following statements about continental drift is true? Because of continental drift, the majority of most continents' landmass remains underwater, which has severely limited biodiversity. After the continents were separated, continental drift slowed, until ...

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8 pages

Written in 2023/2024

Grade A+

Lanari

Which statement is true about human population growth? The population was 200 million people for most of history. In 1800, there were one billion people on Earth. The human population doubled between the years 1900 and 1950. World population has experienced continuous growth since 8000 BC. In 1800, there were one billion people on Earth. Select the item below that is abiotic. Fungi Rainfall Trees Algae Rainfall "Threats of an epidemic haunt citizens as the number of unvaccinated chil...

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8 pages

Written in 2023/2024

Grade A+

Lanari

The standard of living in the United States requires five hectares per person, which is equivalent to a little more than __________. a.) five football fields b.) nine football fields c.) three football fields d.) seven football fields b.) nine football fields n the United States, the standard of living requires about five hectares per person. If every person on Earth required five hectares to live, we would need __________ to sustain the current population. a.) five Earths b.) f...

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13 pages

Written in 2023/2024

Grade A+

Lanari

Choose the true statement about water on Earth. Oceans cover about 70% of the Earth's surface. Which of the following statements about groundwater is NOT true? Roads built by humans enable water to soak into the earth. Which of the following is a reason why dams are built? To generate power Which of the following is a benefit of dams? Reliable water supply Which of the following is an argument for the removal of dams? We must restore water flow to improve animal habitat and promote biodi...

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2 pages

Written in 2023/2024

Grade A+

Lanari

Which characteristic is representative of an exponential population growth model? Produces an S-shaped curve Shows the effect of limiting factors Reflects a population's carrying capacity Reflects growth in an ideal situation Reflects growth in an ideal situation Which statement prizes species for their intrinsic value, rather than for their ecosystem services? Bees are valuable because they pollinate many foods that humans eat. This lake should be protected because it attracts thousands...

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7 pages

Written in 2023/2024

Grade A+

Lanari

Which characteristic is representative of an exponential population growth model? Produces an S-shaped curve Shows the effect of limiting factors Reflects a population's carrying capacity Reflects growth in an ideal situation Reflects growth in an ideal situation Which statement prizes species for their intrinsic value, rather than for their ecosystem services? Bees are valuable because they pollinate many foods that humans eat. This lake should be protected because it attracts thousands...

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7 pages

Written in 2023/2024

Grade A+

Lanari

Choose the statement about nitrogen and nitrogen fixation that is FALSE. The roots of certain plants contain microorganisms that absorb nitrogen from the atmosphere and pass it on to animals. When an animal dies, microorganisms convert the nitrogen in its proteins and muscles into a form that plants can eat. Nitrogen makes up about 22% of the atmosphere and is an important biological compound found in DNA. Nitrogen in the atmosphere is not useable, so it needs to be "fixed" to be of ben...

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8 pages

Written in 2023/2024

Grade A+

Lanari

Select the true statement about water usage. Households, industry, and agriculture use roughly the same amount of water. Agriculture uses the least water. Industry uses the most water. Households use the least water. Households use the least water. In the United States, which of the following is the percentage of grain grown that is used for animal feed? 100% 75% 50% 90% 90% Which of the following correctly lists the three crops that supply the majority of human caloric needs worldwi...

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8 pages

Written in 2023/2024

Grade A+

Lanari

Alexander Fleming made a great discovery in the 1920s. While cleaning some glass plates upon which he had been growing bacteria, he noticed one plate had grown mold and the bacteria was gone.Which of the following activities corresponds with the conclusion step of the scientific method? Fleming hypothesizes that if bacteria are exposed to a certain kind of mold, the bacteria will die. b.) Fleming wonders if there is a causal relationship between the mold and the disappearance of the bacte...

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10 pages

Written in 2023/2024

Grade A+

Lanari

Big agriculture turns the land into fields by cutting down trees and running the animals out. Deforestation and habitat fragmentation can lead directly to __________. a.) a decrease in agricultural production b.) an increase in endangered species c.) a decrease in the human population d.) an increase in biodiversity b.) an increase in endangered species Urban development is connected to several environmental issues including _________________. a.) burning of fossil fuels, raised tem...

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11 pages

Written in 2023/2024

Grade A+

Lanari