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Ecology

07/31/19

Can a creature fly and also walk?

These creatures, fly and walk, and have perfect eyesight and follow me everywhere I go. They have many legs, they are about 1 inch and their color is almost translucent, but a very light shade of... more

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Ecology

07/30/19

Can predator-prey relationship be an example of negative feedback?

Predators eat their prey, prey population decreases. This results in the predator population to decrease, so less prey are consumed which causes the prey population to increase. Therefore, if the... more

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Ecology

07/29/19

Why don't mosquitoes target the visible blood vessels under the skin?

We can see numerous veins under our skin. Why don't mosquitoes suck blood from those vessels? Why don't they use better option?

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Ecology

07/29/19

How would you find and cultivate specific forms of algae?

Knowing how simple and efficient it is to grow algae, I started wondering how a person would specifically isolate and grow different strands of algae. Say I walk to the closest body of water and... more

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Ecology

07/28/19

Few deciduous trees in old forest?

There is an old forest near me that has lain untouched for at least 150 years and possibly longer. The forest is on a big hill which is surrounded by a marsh. The great majority of trees in the... more

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Ecology

07/28/19

How to determine the relationship of competition or cooperation?

I am currently studying the interaction of Twitter memes (two or many), such as competition and cooperation. Is there any model or method in biology that can identify the types of the relationship,... more

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Ecology

07/28/19

Food Intake versus ability to flee among birds, particularly the hummingbird?

Logically speaking, if a hummingbird drinks too much nectar, it will be temporarily overweight and less able or unable to fly to escape danger. However if the same hummingbird doesn't drink enough... more

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Ecology

07/26/19

Native vs Immigrant plants?

**Is this statement applicable to any known plant/region combinations?** > Plant species X, Y, and Z are truly indigenous to region R. Other "immigrant" species can be destroyed by drought or... more

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Ecology

07/26/19

What would happen if there were no more spiders?

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Ecology

07/25/19

Negative association between habitat quality and reproductive success in birds?

I'm looking for bird studies that have found either a negative correlation or no correlation between habitat quality and reproductive success. Or in other words, bird studies that have found that... more

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Ecology

07/25/19

How can omnivores be in more than one trophic level?

I'm learning about the ecosystem and its relation to organisms, So organisms in a food chain can be put from producers to tertiary organisms. I just don't get the part where an organism can be... more

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Ecology

07/24/19

How much cost would artificial pollination add to common products (fruits etc.)?

I've read about ecosystem services and their possible valuation - statements like "honeybee pollination service in the US is worth 1.6 billion dollars". Is data available on how this would affect... more

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Ecology

07/24/19

Does the edge effect promote biodiversity?

I define the edge effect as: *A term used to describe what occurs at habitat boundaries where two bordering communities influence one another.* My question is whether it generally leads to an... more

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Ecology

07/23/19

How does the snail shells' fertilizer compare to regular fertilizers?

May I ask about the quality of the fertilizer derived from the shells and their effectiveness compared to other fertilizers on the market ?

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Ecology

07/23/19

Why is a butterfly actively looking for cool, dark spot, long before dark?

Here in Croatia, the Woodland grayling *Hipparchia fagi* flies constantly in the garden of my holiday home. Yesterday, I observed that one of these bufferflies was **actively looking for a... more

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Ecology

07/22/19

How can DNA profiling be used to determine the number of organisms from a specific species that is within a certain area?

Here is the tedious exam question that asks this: question 8(b). https://drive.google.com/drive/folders/0B23NLD5L6099VWJya3dfLVJpbmc The question states: >In 2007, the brown bear was a... more

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Ecology

07/21/19

Is there any example, where cooperative behaviour of predators induce fear in prey population?

I am basically from math background and doing Ph.D in mathematical biology. So I am not so efficient in biology. But my problem based on cooperative behaviour of animals during hunting which is... more

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Ecology

07/21/19

Are there inherent problems in simulating marine environments, as compared to terrestrial systems?

We cultivate a number of terrestrial organisms in greenhouses and stables where they live in completely artificial environments. This seems to extend far less to marine organisms, such as fish.... more

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Ecology

07/19/19

Comparing the amount of domestic animals and wild animals?

From some material, I read about the ammonia (NH<sub>3</sub>) emission from animal waste. I found that the emission from domestic animals are greater than wild animals. Then, I can't... more

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Ecology Biology Zoology Animal Behavior

07/17/19

What are two long-term reproductive challenges for women?

Exploring Animal behavior

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Ecology

07/17/19

Calculating photosynthetic efficiency?

While calculating photosynthetic efficiency, do we take into account the Gross Primary Production or the Net Primary Production ?

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Ecology Biology Zoology

07/17/19

How long does it take for a hard clam (Mercenaria mercenaria) to reach sexual maturity?

How long does it take for a wild hard clam (*Mercenaria mercenaria*) to reach an age where they are reproductive? How does fecundity depend on age and size? I've looked at several hard clam life... more

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Ecology

07/17/19

Does the biosphere have infinite resources and are they infinitely renewable?

Does biomass represent all of the resources of the biosphere and therefore it would be theoretically infinitely renewable (as long as we have the sun) since all the biomass is part of the carbon... more

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Ecology

07/17/19

Can plants directly use sulfuric acid?

In the explanation of the sulfur cycle, it is often said that sulfur moves from the atmosphere to the ground by acid rain in the form of sulfuric acid. Can plants directly use sulfuric acid to... more

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Ecology

07/16/19

What negative effects does cannabalism have in other species (like prion diseases) and how are they mitigated?

It is well known that human cannibals are likely to suffer from a variety of ailments, particularly prion diseases. However a great many other species, from insect to ape practice cannibalism at... more

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Can a creature fly and also walk?

Can predator-prey relationship be an example of negative feedback?

Why don't mosquitoes target the visible blood vessels under the skin?

How would you find and cultivate specific forms of algae?

Few deciduous trees in old forest?

How to determine the relationship of competition or cooperation?

Food Intake versus ability to flee among birds, particularly the hummingbird?

Native vs Immigrant plants?

What would happen if there were no more spiders?

Negative association between habitat quality and reproductive success in birds?

How can omnivores be in more than one trophic level?

How much cost would artificial pollination add to common products (fruits etc.)?

Does the edge effect promote biodiversity?

How does the snail shells' fertilizer compare to regular fertilizers?

Why is a butterfly actively looking for cool, dark spot, long before dark?

How can DNA profiling be used to determine the number of organisms from a specific species that is within a certain area?

Is there any example, where cooperative behaviour of predators induce fear in prey population?

Are there inherent problems in simulating marine environments, as compared to terrestrial systems?

Comparing the amount of domestic animals and wild animals?

What are two long-term reproductive challenges for women?

Calculating photosynthetic efficiency?

How long does it take for a hard clam (Mercenaria mercenaria) to reach sexual maturity?

Does the biosphere have infinite resources and are they infinitely renewable?

Can plants directly use sulfuric acid?

What negative effects does cannabalism have in other species (like prion diseases) and how are they mitigated?

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