Over the last several decades, there have been many individuals who have propose
Over the last several decades, there have been many individuals who have proposed colonizing the Moon and using it for mining substances such as Hydrogen and Helium-3. Is this a feasible venture? Why or why not? Provide a detailed explanation.
Imagine a population of 100 annual wildflowers, some red and some yellow. The red allele, R, is domi
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Microevolution is the change of frequencies of alleles in the gene pool. Imagine a population of 100 annual wildflowers, some red and some yellow. The red allele, R, is dominant; the ye
Sea turtles are likely to die when they’re young but have a good chance of surviving once they reach a large size. Which survivorship curve best fits them?
There are 500 mice in a population. Over the course of a year, 125 offspring are born, and 25 individuals die. What is the per capita rate of increase in this population?
Two species are close competitors. If one species is removed from the community, the remaining species would be expected to expand its realized niche. Why would removal of one species affect others’ realized niche?
A bear accidentally carries the seeds of a weedy plant in its fur. Transporting the seeds neither ...
A bear accidentally carries the seeds of a weedy plant in its fur. Transporting the seeds neither helps nor harms the bear, but is beneficial to the plant. This is an example of a(n)________________.
Competitive exclusion states that two organisms cannot indefinitely occupy the same niche when ...
Competitive exclusion states that two organisms cannot indefinitely occupy the same niche when resources are limited. When this does occur, organisms tend to show some sort of competitive coexistence. Which of the following is an example of competiti
During the Cretaceous-Paleogene (K-Pg) extinction event, dinosaurs went extinct. How did this event ...
During the Cretaceous-Paleogene (K-Pg) extinction event, dinosaurs went extinct. How did this event pave the way for mammals to become a dominant life form on Earth?
Please answer all these questions and give a brief explanation
Which of the following scenarios would best facilitate adaptive radiation? A. A population of birds native to an island archipelago is forced to relocate to the mainland by a storm. B. A population of cheetahs goes through an event in which
Sea turtles are likely to die when they’re young but have a good chance of surviving once they ...
Sea turtles are likely to die when they’re young but have a good chance of surviving once they reach a large size. Which survivorship curve best fits them?
There are 500 mice in a population. Over the course of a year, 125 offspring are born, and 25 ...
There are 500 mice in a population. Over the course of a year, 125 offspring are born, and 25 individuals die. What is the per capita rate of increase in this population? Hint: r (per capita rate of increase) = b - d
The upper part of the logistic growth curve shows where a population is impacted by ...
The upper part of the logistic growth curve shows where a population is impacted by density-dependent factors. What is meant by density-dependent factors? How do they differ from density-independent factors?
The quality of the final treated secondary wastewater effluent from a modern treatment plant is typi
The quality of the final treated secondary wastewater effluent from a modern treatment plant is typically A) lower in organic and nutrient content than the body of water into which it is discharged. B) lower in organic content but higher in
What happens to 99% of the energy that reaches Earth's atmosphere?
What happens to 99% of the energy that reaches Earth's atmosphere? A) It is captured by plants and used in photosynthesis. B) It is destroyed by the atmosphere. C) It is used as heat by animals. D) It is absorbed by rocks on
The authors urge a national policy for the United States that includes
The authors urge a national policy for the United States that includes A) relying on desalination plants as the primary strategy for meeting future water needs. B) halting water subsidies and increasing conservation. C) charging pollut
The separate feeding locations of five warbler species on different portions of the same tree ...
The separate feeding locations of five warbler species on different portions of the same tree illustrates the principle of A) biotic transformation. B) competitive exclusion. C) resource partitioning. D) top-down population regulation.
Which of the following best describes picoheterotrophs?
Which of the following best describes picoheterotrophs? A) They are anaerobic microorganisms that decompose biomass through fermentation. B) They carry both photosynthesis and chemosynthesis. C) They are common microscopic aerobic decomposers in both
People produce many kitchen wastes each day, such as discarded egg shells, orange and banana peels, ...
People produce many kitchen wastes each day, such as discarded egg shells, orange and banana peels, and coffee grounds. Living at the edge of town, you have several options for waste disposal. Which of the following would be the most likely to preven
The city of Orangeville, Iowa, gets all of its water from groundwater aquifers. Each of the city's ...
The city of Orangeville, Iowa, gets all of its water from groundwater aquifers. Each of the city's 6,000 residents uses an average of 200 gallons of water daily.
If the city wishes to use its water sustainably, what would the
In 2015, a major driving force increasing the development and use of renewable energy is
In 2015, a major driving force increasing the development and use of renewable energy is A) the ability to capture the energy of the wind, sun, and water. B) the global concern about climate change and costs that are now competitive with the costs of
With only 7.3 million mi2 of primary forests remaining worldwide, 23,000 mi2 of
With only 7.3 million mi2 of primary forests remaining worldwide, 23,000 mi2 of these forests continue to be cut on an annual basis. Discuss 3 major environmental concerns with this continual loss of primary forest land.
One of the major problems associated with long-term, high-level nuclear waste storage is
One of the major problems associated with long-term, high-level nuclear waste storage is A) selecting an environment that will remain stable for more than 10,000 years. B) determining a cost-effective way to shoot waste into space. C)
Refer to the image below. Immediately following the construction of the highway and division of the
Refer to the image below. Immediately following the construction of the highway and division of the frog population into two, would you consider the populations to be separate species? Why or why not?
A tank filled with manure, water and unused crop plant residues but which minimizes oxygen content ...
A tank filled with manure, water and unused crop plant residues but which minimizes oxygen content could be used to A) produce biogas. B) produce biogas if the oxygen levels were adjusted to very high concentrations. C) burn unused parts of crop pla
Today, we are able to use nuclear fusion to A) power a hydrogen bomb. B) generate electricity efficiently. C) produce hydrogen for fuel cell cars. D) power jets and ships.
Are the Bailey and Brown statements consistent with each other? What additional
Are the Bailey and Brown statements consistent with each other? What additional information would you need in order to choose which statement(s) is/are accurate?
