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Ecology

Biodiversity and Gull Effects

Maintaining biodiversity and gull effects. Of the following situation, examine the control methods used and its outcome. Consider the impact of the large gull population on the environment, other species, and humans. Then consider the impact of the control measures. Discuss the ethical issues involved in the decision to contol a

UNESCO Research

Approach from the perspective of someone searching for funding to support preservation programs. Review the ecological properties. Choose a property you would be interested in supporting. Cultural, archeological,or architectural are NOT to be used. Hope someone can help!

Genetic Isolation

Using the scientific method as a framework, how would YOU as a scientist describe how a new species could arise by genetic isolation? Mechanisms of Speciation, What would be your observation, question, hypothesis, prediction, the experiment and finally the results using your own expertise. BELOW is an answer I received before-b

Change in Stream Hydrograph Over Time

See attached file for full problem description. (1) Describe the change in stream hydrograph over time. (2) What might have caused the change you described? (3) What are two possible effects on either biological or chemical parameters that might be expected to result from this change in hydrology?

Ecosystem

In an ecosystem, interaction occurs between communities. Energy is transferred from one organism to another through the food chain. What are the three trophic levels? Give an example of each. What trophic level do you think is the most important in the ecosystem and why? What is biodiversity? Is it important? Relat

Biomes and the Organisms That Live Within Them

Choose one of the earth's major biomes. and in powerpoint create a very simple presentation, each slide containing 1-2 sentences. Describe the climate and physical characteristics of that biome and the types of organisms that live within it. Give examples of and describe symbiotic relationships between those organisms. Be

Discussing Ecological Concepts and Environmental Adaptations

(1) What is the difference between these terms: Ecotype and Polymorphism Cline and Ecological Isolates Homeothermy and Endothermy (2) Describe a specific example of an adaptation that helps an organism solve one specific environmental problem but makes a different environmental problem worse. (3) What are the two requirements

Discussing Population Dynamics and Structure

The most critical factor in controlling the human population growth is A. controlling reproductive lifespan. B. decreasing the time of first birth C. decreasing the average number of births per woman D. decreasing infant death Populations of predators increase when the population of prey is high because...(Please highlight

Ecosystem

Can you explain in detail how the following would interact with each other in an ecosystem in terms of births, deaths, weight gain, etc.: flowers, honey bees, Winnie the Pooh? I'm told that the answer is more complex than it appears.

Multiple choice

1) Americans use about __________ times as much energy as the world average. A) 20 B) 1.5 C) 5 D) 10 E) 2 2) Rabbits were introduced to Australia about 100 years ago for the purposes of hunting. They have been multiplying, eating up the native vegetation, and destroying the native habitat of other small animals

Ecosystems Conservation and Ecosystem Resilience

Ecosystems can change over time in a process known as natural succession. When an ecosystem is disturbed, both the physical (abiotic) and living (biotic) characteristics may be altered. Disturbances may be natural (e.g., a fire started by lightning) or anthropogenic - human caused (e.g., a fire started by a campfire.) Choose

Biological and Chemical Diversity

Please respond to the following two questions: 1. Identify two different types of organisms that you have seen interacting, such as bees and flowers. Now form a simple hypothesis about this interaction. Use the scientific method and your imagination to design an experiment that tests this hypothesis. Be sure to identify the v

Life on Earth

Life on Earth - Biological Concepts from the Non-Science Major Perspective Pine trees have a different way of getting through the winter. They have tough needles instead of leaves, and these needles can take freezing temperatures without being damaged. One trick they use is that the needles are covered with a layer of wax.

Biological concepts from the non-science perspective are explored.

There are two articles on the myths of agricultural biotechnology (one from the popular press and one from the peer reviewed journal (the links are below): article no. 1. http://www.vegsource.com/articles/gmo_feed_myth.htm & article no. 2. http://www.emater.tche.br/docs/agroeco/artigos/biotecologia.pdf Help with answ

Energy flow in ecosystems

In the pre-1850 grasslands of North America there were hundreds of millions of grazing animals such as buffalo, antelope and deer. At the same time there were many fewer meat eaters, such as wolves. Explain in terms of energy flow in ecosystems and the Second law of Thermodynamics why there were so many grazers and so relatively

Resistance to Drought in Desert Plants

Of the following mechanisms in desert plants which would be the least effective in resisting drought: Dying back of root hairs during a dry season Expansion of total leaf surface area Ability to store large amounts of water Shedding leaves during the dry season Thick walled seeds An explanation follows.