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Two species of closely related swallows live on the same continent. The black swallow lives in coniferous forests, and the yellow swallow lives in deciduous forests. On an island where the black swallow has never been introduced, the yellow swallow lives in both coniferous and deciduous forests. Explain this difference in observed yellow swallow habitats in terms of niches and interspecific competition.

I need to write a song about ecology and ecosystem in the tune of Bruno Mars’ Count on Me.
It should also consist terms like Manmade and Natural resources, Biotic and Abiotic, Community, Population, Habitat, Ecological niche, Food Chain, Food Web, Interrelationships and Energy Pyramid.
Anyone who could give me any lyrical ideas or construct a sample lyrics would be rewarded 5 stars.
Thank You again :”>

I really need help with this specific question. “Discuss the important features of the ecological niche of a gannet referring to specific biotic and physical environmental factors and the four generalized types of adaptations. thanks any help greatly appreciated 🙂

I need to know because I am doing a biology project on temperate forests and need to write about it’s biotic characteristics including it’s niche…HELP

I have a little OC-crew in my mind and all of them seem not too Mary & Gary Sue-ish, but I’m having problems with one of them, the youngest one. Her name is Amy and she is 14, her grandmother was one of the first humans to be subjected to Element Zero (accidentally of course) and her mother received biotic powers as well as L2 implants. Later on the Alliance found out that if they played around with the genetic coding of the first gen-biotics and subject them to just enough element zero their children could posses brain power that could out smart even the salarians. However the project was a failure, the children ended up mentally impaired, or dead within weeks of birth, that is of course except for a tiny percentage of children but the project was closed down before any of them were recorded. Amy was born shortly after the project was closed, with gifts that surpassed anything that they could ever hope for. Her mother died during childbirth so she had to live with her grandmother who was bitter towards the government, and the world for her lost daughter. That bitterness passed on to Amy, who later on became a recluse, long story short, using her extremely high IQ she became interested in bomb making, and even made business selling home made bombs and weapons to the black market under the alias “Aegis”. However, her cover was blown and mercenaries who felt like cutting the middle man stormed into her house, killed her grandmother, and kidnapped her to their base. There, my other OC unwittingly save her. With no where to go and plenty of rage to spare, she basically forced herself into his crew, saying that they wouldn’t find a better explosive expert anywhere else, which was true. So the main OC begrudgingly let her join on the exception that she does not leave the ship for field missions. Another reason way the main OC let her join was because she explained to him that because of her “power” her brain develops faster than humanly possible, so even though she is a genius, there might be a large chance that she will go brain dead or lose insanity by the time she’s 20, so she really is at the prime of her life. Another problem she faces is she has to keep her superior brainpower a secret, because she knows the minute the government find out that the project was a success they would start it back up again despite the fact that it would endanger countless of children’s lives.

Multiple Choice
Answer the following questions by selecting the correct answer from the options following each question.
1. Which of the following would be a biotic factor in an ecosystem?
1. insects
2. water
3. nitrogen
4. sunlight
2. What type of a factor would dead wood lying on a forest floor be?
1. abiotic
2. biotic
3. Several students wrote definitions of the term “biotic”. Which is the best definition?
1. Biotic means all the stuff that is used to support life in an ecosystem like soil, rocks, and water.
2. Biotic refers to the living and recently living factors that affect an ecosystem.
3. Biotic describes the nonliving factors which affect the growth of a species.
4. Biotic is a Latin word for animal life.
4. Which of the following would be an abiotic factor in an ecosystem?
1. insects
2. water
3. grasses
4. bacteria
5. The temperature range in an ocean tide pool was measured to vary from a low of 35°F to a high of 55°F. Temperature is classified as which type of factor?
1. abiotic
2. biotic
6. A student collects the following data in a pond ecosystem. Which data represents an abiotic factor?
1. The average weight of blue gill fish is 278 grams.
2. The pH, or acid level, in the pond is 6.3. Pure water has a pH of 7.
3. The density of cattail plants is 120 plants per square meter.
4. A survey found five frogs in a 25 square meter area.
7. Use the energy laws (conservation of energy and the second law of thermodynamics) to determine which of the following statements is true.
1. One hundred units of light energy strikes a leaf of a plant in one day. The plant will use that light energy in the process of photosynthesis to create at least 110 units of food energy.
2. If we consume 1500 Calories, they will be converted by the digestion process into 2000 Calories of available energy.
3. All organisms waste energy as they work to survive and reproduce.
4. More than one hundred percent of the heat energy at a hot spring can be converted into food energy by chemosynthetic bacteria.
8. What does the unit “Calorie” measure?
1. food energy
2. the amount of energy needed to warm one kilogram of water one degree
3. energy used by ecosystems
4. all of these
9. What is the process that utilizes sunlight to manufacture food molecules?
1. photosynthesis
2. chlorophyll
3. chemosynthesis
4. glucose
10. What is the bottom level of a food chain called?
1. producer level
2. first consumer level
3. decomposer level
4. second consumer level
11. In the food chain grass => grasshopper => bird, the grasshopper would occupy which trophic level?
1. producer level
2. first consumer level
3. decomposer level
4. second consumer level
12. In the food chain grass => grasshopper => bird, which level would the bird occupy?
1. producer level
2. first consumer level
3. decomposer level
4. second consumer level
13. A student has diagramed the grass => grasshopper => bird food chain as shown. Is he correct? If not, which selection best explains his error(s)?
1. Yes. There are no errors.
2. No. He has calculated the number of calories incorrectly. It should be 1500 then 15 then 1.5.
3. No. He has mislabeled the first and second consumer levels. If they were reversed, everything would be correct.
4. No. He has labeled the bird as a carnivore. Birds have no teeth, so they can’t be called a carnivore. Everything else is okay.
14. What is the role an organism plays in its community called?
1. ecosystem
2. population
3. niche
4. biosphere
15. What are all the members of one species in a region called?
1. ecosystem
2. population
3. niche
4. biosphere
A student graphed the data on the population of mice and owls in an abandoned field. The data is plotted below. The green line is the population of the mice, and the yellow line is the population of the owls. The gray lines show the peak in the population of mice.
16. What is the carrying capacity of the mice?
1. 0–50
2. 50–100
3. 100–150
4. 150–200
5. 200–250
17. What is the carrying capacity of the owls?
1. 10–50
2. 50–100
3. 100–150
4. 150–200
5. 200–250
18. Why should experiments have at least two groups?
1. The two groups allow us to make sure we did not miss anything in the experiment.