| Q. | what is biomass.primary production of biomass in deep waters? | Related Search:
Alternative Fuel Vehicles | | | definition of biomass. what is biofouling,bioconversion, metalimnion,limniologyand microbial ecology. give me five examples of aquatic habitat. discuss the mouth as a microbial habitat.
mention three classical microbial processes as well as as the microorganisms involvled and their products
| | A. | Hum, they don't make biology textbooks as they used to.
I guess posting all this as different and well written answers would have costed too many points, or too much time. | | | |
| Q. | can you please help me on this small ecology question? | Related Search:
Green Living | | | i answerd most of my homework but i dont know the answer for this question, can you please help me?
Biomass energy (pyramid):
Explain why the energy that is not transferred at each level cannot be picked up by plants and cycled back through the system in the same way the atoms and molecules are cycled.
| | A. | Each trophic level (each level in the pyramid) only passes on 10% of the energy it began with. For example, if the bottom level has 10,000 units, the next one will have 1,000 units, then 100 units, then 10, and finally 1. The 90% of energy lost is in the form of heat. Heat cannot be used by other organisms like food can be used by other organisms. Could you survive without eating as long as there was heat? No.
Atoms are cycled because they don't break down. They are the smallest amount of an element which retains the properties of the element. Plus, there is constant input of energy from the sun, but no constant input of new atoms/molecules. Plants are made of atoms and when they die those atoms still remain and may eventually be used by other plants. | | | |
| Q. | Need Help With Ecology Review Ws- answer and get best answer? | Related Search:
Homework Help | | | Ecology-Section Reviews
1. Give three examples of things classified as biotic factors.
2. Give three examples of things classified as abiotic factors.
3. What parts of Earth make up the biosphere?
4. Give two examples of ecosystems.
5. Explain how the niche of one organism can affect other organisms in the same ecosystem.
6. Do you think the soil in the rain forest is of a very high quality or of a very poor quality? Explain.
_____1. nonliving parts of the environmenta. niche
_____2. study of organisms and their interactions with the environmentb. abiotic factors
_____3. role an organism plays in the environmentc. biosphere
_____4. protection, management, and renewal of natural resourcesd. ecosystem
_____5. region of Earth that supports lifee. ecology
_____6. living parts of the environmentf. conservation
_____7. union of organisms and abiotic factorsg. biotic factors
Complete the following chart:
BIOMECLIMATEPLANT LIFE ANIMAL LIFE
Tropical Rain Forest
Desert
Chaparral
Grassland
Deciduous Forest
Taiga
Tundra
Matching:
_______ 1. transfer of energy and matter in a communitya. food web
_______ 2. organisms that make food for the entire communityb. carnivores
_______ 3. consumers that feed on dead organismsc. food chain
_______ 4. organisms that eat only plantsd. producers
_______ 5. animals that eat only animalse. omnivores
_______ 6. animals that eat producers and consumersf. biomass
_______ 7. energy flows from one organism to another through g. ecological pyramid
each trophic levelh. herbivores
_______ 8. interconnected food chains in an ecosystemi. trophic levels
_______ 9. total mass of organic matter at each trophic levelj. scavengers
_______ 10. relationship between producers and consumers
at different trophic levels
1. What are the main trophic levels?
2. What kind of organisms are always located at the base of a food chain, a food web, or an ecological pyramid?
2. Explain how primary and secondary consumers differ.
3. What is a tertiary consumer?
4. Give an example of each of the following: scavenger, herbivore, carnivore, omnivore,
and decomposer.
5. Explain how biomass and the energy at each trophic level relate to the organisms in the community.
POPULATION ECOLOGY
1. What is a population?
2. Explain the job of population ecologists.
3. What are limiting factors?
4. List five factors that can be considered limiting factors.
| | A. | I'm sure that if you go to the link below; you will find the answer to most of your question. If I answered each point of your question; I would be doing the assignment for you. If you go to the link I left here it will be a breeze to find the answers you are looking for. | | | |
| Q. | how to make a biomass pyramid? | Related Search:
Biology | | | i have a project for school and it requires a pyramid with 3 different things on the side. on side needs to be energy, the other biomass,and the other numbers.
i do not know how to measure biomass? here are some websites that kind of explain biomass but they do not explain how to find it?
[Link] 
[Link]
[Link]
also i do not understand what the directions mean by numbers. and trust me I'm not leaving anything out all it says is biomass and numbers there is nothing that explains how to obtian it.
i would also appresheate pictures and examples of how to find these things if you would be able to.
| | A. | Biomass is just the total mass (weight) of all the living matter or organisms within a given unit of environmental area. Units are in mass per area (for example, it might be grams per square meter.)
Biomass is related to numbers, but they are not the same. If you have earthworms or grass plants, it takes LOTS of them to make a ton of biomass. If you have elephants, it takes only about 1/5 of one to make a ton of biomass. So for numbers, you count individual animals or plants. | | | |
| Q. | Which phrase best describes the focus of ecology? (Please help! Behind in Biology!)? | Related Search:
Biology | | | 1.Which phrase best describes the focus of ecology?
A.individual organisms
B.individual cells
C.interactions among organisms
D.interactions among cells
2.Which level of organization in ecology is a major regional or global community of organisms?
A.an ecosystem
B.population
C.community
D.biome
3.An ecologist counts weeds to monitor their populations. Which of the following best describes the ecologist's methods?
A.modeling
B.observation
C.experimentation
D.hypothesizing
4.Wind is considered to be an abiotic factor because it
A.is not related to biodiversity.
B.is a nonliving thing.
C.is in equilibrium.
D.is not in any ecosystem.
5.A keystone species is a species that
A.goes unnoticed if its numbers decrease.
B.alters an area by building bridges and dams.
C.leads to a decrease in an area's biodiversity.
D.has an unusually large impact on its ecosystem.
6.An organism that makes its own food is called a
A.consumer.
B.producer.
C.heterotroph.
D.chloroplast.
7.The basis for the energy in an ecosystem is provided by
A.consumers.
B.heterotrophs.
C.chemosynthesis.
D.producers.
8.Chemosynthesis is the process in which organisms
A.form carbohydrates using chemicals.
B.get energy by eating other organisms.
C.make chemicals that absorb sunlight.
D.use energy from the sun to form carbohydrates.
9.Decomposers are important to ecosystems because they
A.return vital nutrients to the environment.
B.are producers.
C.capture energy from the Sun.
D.can be omnivores.
10.A food chain contains oak trees (producer), mice (herbivore), black rat snakes (carnivore), and bald eagles (carnivore). How many trophic levels does this food chain have?
A.one
B.two
C.three
D.four
11.The water cycle, in which water moves from the atmosphere, to the surface, below ground, and back, is also called the
A.biogeochemical cycle.
B.oxygen cycle.
C.hydrologic cycle.
D.nitrogen cycle.
12.Fossil fuels are part of which of the following cycles?
A.oxygen
B.carbon
C.nitrogen
D.phosphorus
13.Where does most of the phosphorus cycle take place?
A.in the atmosphere
B.at and below ground level
C.on fungi near plant roots
D.close to rocky terrain
14.A group of organisms of the same species that live in the same area is called a(n)
A.community.
B.population.
C.biome.
D.ecosystem.
15.Which of the following is the best example of an observation study?
A.a quadrat sample
B.a laboratory experiment
C.a computer program
D.a population model
16.Which of the following parts of Figure 13.2 is an example of a biotic factor?
A.sunlight
B.soil
C.deer
D.river
17.Which phrase best describes biodiversity?
A.the number of individuals in an ecosystem
B.the amount of biomass in an ecosystem
C.the amount of available energy in an ecosystem
D.the number of species in an ecosystem
18.If a keystone species is removed from an ecosystem,
A.abiotic and biotic factors can be affected.
B.only biotic factors can be affected.
C.only abiotic factors can be affected.
D.neither abiotic nor biotic factors can be affected.
19.Organisms that feed on dead or decaying matter are called
A.herbivores.
B.carnivores.
C.omnivores.
D.detritivores.
20.Almost all autotrophs get their energy from
A.sunlight.
B.hydrothermal pools.
C.decaying matter.
D.producers.
21.Which model shows the number of organisms at each trophic level in an ecosystem?
A.biomass pyramid
B.food web
C.pyramid of numbers
D.food chain
22.A specialist would be an organism that
A.eats only one kind of food.
B.eats only plants.
C.eats only meat.
D.eats a variety of foods.
23.Networks of feeding relationships can be shown in a
A.venn diagram.
B.bar graph.
C.food web.
D.food tree.
24.What does the diagram in Figure 13.1 show?
A.the nitrogen cycle
B.the water cycle
C.the oxygen cycle
D.the carbon cycle
25.Bacteria are important in the nitrogen cycle because they
A.help convert nitrogen into a form that organisms can use.
B.respire, returning carbon dioxide into the atmosphere.
C.decay and eventually form fossil fuels.
D.produce sugars that plants can use
Thank YOU!!
All were correct except for...
#2 - D
#12- B
#18- A
#21- C
#24- D
Thank you verrrrrry much!
| | A. | 1- C
2-A
3-B
4-B
5-D
6-B
7-D
8-A
9-A
10-D
11-C
12-C
13-B
14-B
15-A
16-No figure shown, the only biotic factor listed was the deer
17-D
18-B
19-D
20-A
21-A
22-A
23-C
24-NO FIGURE 13.1 SHOWN
25-A
Now, go do your homework! | | | |
| Q. | Ecology and Evolution? | Related Search:
Earth Sciences & Geology | | | Methane acts as a greenhouse gas in the atmosphere. The main source of methane are the digestive systems of cattle and sheep, bacterial action in rice paddies, burning of biomass (eg. forests fires), bacterial action in swamps and marshes, burning of coal and release of natural gas.
a) Discuss whether methane emissions from these sources will cause a change in the Earth's temperature.
b) Discuss whether release of methane is a natural process or an example of a human impact on the environment.
c) Suggest measures that could be taken to reduce the emission of methane.
| | A. | D.Y.O.H.W. | | | |
| Q. | The Wonderful World of Ecology? | Related Search:
Biology | | | Is biomass the mass of living tissue including or not including water?
How can I figure out the trophic levels of the prey that an owl ate if i know their biomass and have dissected a smelly owl pellet,knowing which ones my owl ate :) ?
pleassseeeeeee help
screw this nobody likes ecology ill go ask my friend Wiki
| | A. | 1. yes
2. you can see only 2 trophic levels - consument I or consument II tracticaly if you non specialist of mamology anpossible to understand what is it. in theory owl woll be eat only 10 - 20% of consument II and 80 - 90% of consument I
good luck | | | |
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