Not exact matches
Touching your time machine
down on Earth at a random point in the planet's history, roughly nine times out of 10 you would only find single - celled life or
algae and would risk suffocation in the oxygen - starved open air.
Then in 1997 and 1998, they and their colleagues sampled copepods in the Adriatic Sea during diatom blooms in winter, when the copepods feast primarily
on diatoms, and during the summer, when diatom numbers are
down and copepods eat a more mixed diet that includes other
algae.
Nearly all of the thousands of different chemical substances produced by people, animals, plants, fungi,
algae or microorganisms
on the ground or in the oceans react quickly with OH and break
down in this process.
In theory, such zooplankton (ZO - plank - tin)-- tiny creatures that eat plant - like
algae — could chow
down on these toxic
algae, reducing the size of a bloom.
Scientists have generally believed that more
algae — more specifically, the type known as phytoplankton — would be good for the climate, since they thrive
on CO2 while alive, then carry the carbon they've absorbed
down to the sea bottom when they die.
Exploiting habitats that are often or mostly out of water required new symbiotic relationships to contain and move water, including the fusion of some fungi and
algae to create lichen in communities with bacteria that survive extreme desiccation
on land while breaking
down rock into soil, and the association of mycorrhizae fungi and the root tissue of new vascular plants — culminating in trees that pump water high into the air — to exchange mineral nutrients (e.g., phosphorus) and usable «fixed» nitrogen from the atmosphere for photosynthetic products.
Eventually, however, terrestrial red and green
algae and the first lichens developed
on land and the final big rise in oxygen may have been caused by the «greening of the continents from around 800 million years ago,» when these simple early lifeforms
on land steadily spread and broke
down rocks that sustained a higher rate of erosion and led to the release of more nutrients into the oceans that stimulated even more photosynthesis by more newly evolved
algae as well as older cyanobacteria (Nick Lane, New Scientist, February 10, 2010).
As
algae on the water surface also eventually die, bacteria will break them
down.
Among these soil dwellers are bacteria, fungi, and
algae, which feed
on plant and animal remains breaking them
down into humus, the organic component of soil, in the process.
my doctor is
down on vegan diets, and doesn't believe that i will be able to raise my Omega3's with
algae supplements and diet alone but, i am determined to try!
The body of evidence supports that — for those of us without the time and space to run
down wild game, raise free - range livestock genetically unaltered since the dawn of modernity
on those animals» evolved diets, or fish in unpolluted waters — a plant - based diet with proper B12 and
algae - derived long - chain fatty acid supplementation is our best bet for meeting our evolved dietary needs in today's world, where there is limited farmland, dwindling wildlife, and 6.5 billion people to feed.
The fish will show themselves better if the light is not overly intense, and you will also grow less
algae and cut
down on tank maintenance.
If the idea is to cut
down on parasites, bacteria and / or
algae, UV filtration is a must.