Understanding the resistance to drought in desert plants is achieved.
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.
question on building a ecosystem in a jar with water algae & small aquatic animals
if a 1st grade class were to build a simple ecosystem in a jar, and add water, algae, and small aquatic animals that eat algae- then they weigh their algae and the animals at the end of the year. If they were to compare the total weight of all the algae and the combined weight of all the animals, which will weigh more?? EXPLAIN ...continues
I'm having trouble understanding the Assimilation and Production Efficiencies for Endotherms and Ectotherms. How do you determine which has the most efficiency?
What are the assimilation and production efficiency of ectotherms versus endotherms and which are the most efficacious?
Distribution and abundance of plants in a habitat
I have been asked to: Plan an investigation to find out the distribution and abundance of two named species of plant in a specific habitat and to determine if this is effected by the water content of the soil. I dont really know what the question is asking me to do or even where to begin. Please could you try to explain wha ...continues
All living organisms are dependent upon another at some point during their life cycle. Some of these dependencies are essential to the survival of an organism. Such an intimate dependency is described as a symbiotic relationship. Can you please describe a symbiotic relationship. Can you please also include the organisms i ...continues
Without doubt, humans affect the ecosystems that they come in contact with. I describe one instance, negative or positive, in which humans have affected the ecosystems.
life on earth (biological concepts from the non-science major perspective)
The deforestation of the rainforests is a huge loss of an ecosystem. The loss of this ecosystem can result in soil erosion, loss of species, and a possible increase in atmospheric carbon dioxide. Do you have any information regarding species in the rainforest? Is it a ecologically diverse region? Are there any uses f ...continues
Why is biodiversity essential to an ecosystem?
Why is biodiversity essential to an ecosystem?
a couple of questions about Greenhouse effect
1. Certainly industry has contributed to the Greenhouse effect. Would the Earth be habitable if the greenhouse effect was not taking place? 2. How does the burning of fossil fuels add to the greenhouse effect? 3. How can humans maintain this industrialized society and decrease the number of greenhouse gasses being emitt ...continues
