Tag Archive | "Community"

Biology Unit Test Help…..?


1.
Cougars are predators that often eat weakened or diseased animals. This is a description of the _____ of cougars.
(1 point)
•habitat
•community
•niche
•none of these
3.
____________________ are characterized by complex food webs, many different species of organisms, and little or no succession.
(1 point)
4.
The first organisms to appear in an area undergoing succession are known as ____________________.
(1 point)
5.
The effect of movement of people between counties has _____ effect on total world population.
(1 point)
•a damaging
•little
•a great
no

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Final Stages Of My Book “ironsight.” What Do Think And How Can It Be Improved?


Sorry about any spelling mistakes as I am rushing.
Okay, over the past few months I have asked for your opinions on this book and I promise I will credit the YA community for your feedback. I have completed and I am editing parts of the book and extending parts I need. All I want is your final opinions and anything that would make you more interested.
My book is based in the year 2016 and is about an American/English military unit nicknamed Ironsights. Their job is to use stealth and tactic to take down the enemy using top noch and secret gear such as a Distorter, which distorts your image and makes you invisable to the eye as long as you stand still. They take down high value terrorist leaders and take down black markets and drug dealings faster and more effectively than any known force. In this book, they start a case following a mass distribution of firearms and weapon amunition. It quickly turns out that this isn’t the only case and that all over the world, black markets are spreading weapons across the globe for an unknown reason. The Ironsights job is to find out what is going on and how all the terrorist cells and organisations are linked. And, most importantly, take down its leader. This takes them on several missions, from capturing an oil refinory to capturing a target in the middle of a city during rush hour. They must progress quickly as hundreds of countries start pointing fingers at each other.
This is built on realitism and contains some violent scenes. It is about action, stealth and every character will have plenty of adaption. I have taken my time and made it smooth.
I welcome your opinion as you are the people who might read this some day. Thank you for all your help.

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Final Stages Of My Book “ironsight.” What Do You Think And How Can It Be Improved?


Sorry about any spelling mistakes as I am rushing.
Okay, over the past few months I have asked for your opinions on this book and I promise I will credit the YA community for your feedback. I have completed and I am editing parts of the book and extending parts I need. All I want is your final opinions and anything that would make you more interested.
My book is based in the year 2016 and is about an American/English military unit nicknamed Ironsights. Their job is to use stealth and tactic to take down the enemy using top noch and secret gear such as a Distorter, which distorts your image and makes you invisable to the eye as long as you stand still. They take down high value terrorist leaders and take down black markets and drug dealings faster and more effectively than any known force. In this book, they start a case following a mass distribution of firearms and weapon amunition. It quickly turns out that this isn’t the only case and that all over the world, black markets are spreading weapons across the globe for an unknown reason. The Ironsights job is to find out what is going on and how all the terrorist cells and organisations are linked. And, most importantly, take down its leader. This takes them on several missions, from capturing an oil refinory to capturing a target in the middle of a city during rush hour. They must progress quickly as hundreds of countries start pointing fingers at each other.
This is built on realitism and contains some violent scenes. It is about action, stealth and every character will have plenty of adaption. I have taken my time and made it smooth.
I welcome your opinion as you are the people who might read this some day. Thank you for all your help.

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Help Plz 1o Points For Right Answer Asap?


2. The stable ecosystem that develops due to succession _____.
(1 point)
is called a niche
is always a forest
is called a climax community
never changes
Figure 3-6
3. Look at the graph in Figure 3-6. Approximately how many hours of sunlight should these plants receive each day in order to make them grow at their optimum level?
(1 point)
4
12
16
20
4. Water temperature and light are two ____________________ factors that affect the tolerance range of organisms in a lake.
(1 point)
5. Tropical rain forest and ____________________ biomes are both characterized by a thin layer of nutrient-poor topsoil that can support only shallow-rooted plants.
(1 point)
6. Fires, natural disasters, and human intervention are possible causes of ____________________.

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Help With Biology I Want To Check My Answers (part 2) 10 Points Best Answer?!?!?


11. Consider the following statement: “If all vertebrates have backbones, and turtles are vertebrates, then turtles have backbones.” This statement is an example of
a. a hypothesis.
b. discovery science logic.
c. rationalization.
d. deductive reasoning.
12. One of the labs in Bio 107 we offer in some semesters is a field trip to explore the native chaparral in Florida Canyon. The chaparral is a region characterized by a climate of long, dry summers and mild winters, clay-like soil, and interactions of particular groups of animals, plants, and microorganisms. The Chaparral best describes what level of organization?
a. Biosphere
b. Ecosystem
c. Community
d. Population
13. Suppose a small number of bacterial cells are placed in a container that includes all necessary nutrients for the bacteria. For a while, there is no increase in bacterial numbers as cells adjust to their new environment. Afterwards, there is rapid increase in numbers, with the number of new bacteria added proportional to the current number. Following this rapid increase, there is a long phase where the number of new cells equals the number of cells that have died. What does the overall pattern of bacterial growth described here most resemble?
a. J-shaped
b. A population’s carrying capacity in the absence of limiting factors
c. Global human increases from its beginnings to current times.
d. Logistic
14. If an ecosystem has a carrying capacity of 1000 individuals for a given species, and 2000 individuals of that species are present, the population
a. is at equilibrium.
b. has exceeded the carrying capacity.
c. may decline dramatically.
d. b and c are correct.
15. If an overlap develops between the ranges of two closely related species, and if the species occupy the same niche in the zone of overlap, what will probably happen in the zone of overlap?
a. Both species will coexist.
b. A new species will arise.
c. One species will take over and drive the other species out
d. Mutualism will exist between the two species.
16. The relationship between a cow and the cellulose-digesting bacteria in the cow’s digestive tract would best be described as
a. Mutualism
b. Parasitism.
c. Interspecific competition.
d. Predation.
17. All organisms require certain nutrients for survival and reproduction. Suppose a particular bacterial population thrives only in the top five millimeters of lakes. Suppose a microscopic plant population also thrives only in the top five millimeters of lakes. When the bacterial and plant populations are floating together, the bacterial population is reduced to 20% of the number it was when floating in the absence of plants. What does this situation likely illustrate?
a. Species diversity of a community
b. Niches of two species are separate and distinct.
c. One population serving as a resource for another population.
d. Interspecific competition.
18. What conditions might occur in a country displaying zero population growth?
a. Immigration equals emigration.
b. A population pyramid is larger at its base than at its tip.
c. Birth rate is greater than death rate.
d. The demand for new elementary schools is greater than the demand for retirement homes.
19. What would be an example of primary succession?
a. Events following a melting glacier, exposing bare rocky terrain.
b. The colonization of an empty region by long-lived plant species.
c. Community replacement on lands abandoned by a farmer.
d. A forest community that is relatively stable over time.
20. If there are 1000 metric tons of producers in an ecosystem, about how much of the energy in those producers will be available to secondary consumers in this ecosystem?
a. 100%
b. 50%
c. about 10%
d. about 1%
e. about 0.1%
21. Given that CO2 is produced by respiration, why does the amount of CO2 in the atmosphere remain relatively constant? (When answering this question, exclude the impact of human activities on atmospheric CO2.)
a. CO2 is converted in photosynthesis to carbohydrates.
b. CO2 is split apart during photosynthesis.
c. CO2 mostly forms carbonate rocks.
d. CO2 is trapped in dead organisms’ bodies.
e. CO2 is a buffer.

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Help With Biology Please 10 Points Best Answer?!?!?!?


HOW DO YOU DO THE CALCULATIONS FOR #20?
3. . It was recently discovered that an amoeba (a single celled organism) falls asleep (goes “dormant”) when exposed to valium. Humans also fall asleep when exposed to valium. The amoeba releases a chemical resembling valium that is almost identical to a chemical released by the human brain.
This example best illustrates which theme in biology?
a. Unity within diversity
b. Structure and function
c. Acquiring and using energy
d. Homeostasis
4. Pyrodictium are single-celled organisms, lacking a nucleus. They live near deep-sea active volcanic openings preferring acidic conditions and temperatures above 100 degrees Celsius (i.e., a temperature above boiling if at sea level) and die at temperatures below 82ºC. Their genetic material was unlike any other single-celled organism known to humans before 1980.
In what domain is Pyrodictium?
a. Bacteria
b. Archaea
c. Eukarya
d. Prokarya
15. If an overlap develops between the ranges of two closely related species, and if the species occupy the same niche in the zone of overlap, what will probably happen in the zone of overlap?
a. Both species will coexist.
b. A new species will arise.
c. One species will take over and drive the other species out
d. Mutualism will exist between the two species.
17. All organisms require certain nutrients for survival and reproduction. Suppose a particular bacterial population thrives only in the top five millimeters of lakes. Suppose a microscopic plant population also thrives only in the top five millimeters of lakes. When the bacterial and plant populations are floating together, the bacterial population is reduced to 20% of the number it was when floating in the absence of plants. What does this situation likely illustrate?
a. Species diversity of a community
b. Niches of two species are separate and distinct.
c. One population serving as a resource for another population.
d. Interspecific competition.
18. What conditions might occur in a country displaying zero population growth?
a. Immigration equals emigration.
b. A population pyramid is larger at its base than at its tip.
c. Birth rate is greater than death rate.
d. The demand for new elementary schools is greater than the demand for retirement homes.
19. What would be an example of primary succession?
a. Events following a melting glacier, exposing bare rocky terrain.
b. The colonization of an empty region by long-lived plant species.
c. Community replacement on lands abandoned by a farmer.
d. A forest community that is relatively stable over time.
20. If there are 1000 metric tons of producers in an ecosystem, about how much of the energy in those producers will be available to secondary consumers in this ecosystem?
a. 100%
b. 50%
c. about 10%
d. about 1%
e. about 0.1%

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