spores are light & small & encapsulated
The spores are very resistant to the the external environment since they are encapsulated structures , this type of dispersal helps past against natural calamities and promotes more living of the plant in further generations in extreme conditions . Since they are light weight and have small size they can be dispersed easily so helps in diversification of the plant in the area . These advantages are not well suited for sperms. Moreover, in mosses, the sperm requires water for the movement to meet the ova cells to make zygote.
jean keeling
Answer:
<u>15 </u>because one codon has 3 nucleotides
Explanation:
We know that oil floats on water and do not mix
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What happens to the oil when you first pour it in? It flows into the water, but then seperates.
Why does this happen? oil is lighter than water and the molecules of the oil are attracted to the other oil molecules, not water, the water molecules the same
What kinds of animals would be most affected by an oil spill at the beginning? animals that live their lives near the surface of the ocean. Why? because now the water that was clear and free-flowing is now dark and sticky. oil also changes the way how some animals survive so make their ways less effective. one example are birds like pelicans
Use a spoon to stir the oil for 30 seconds.
Answer the following questions:
What natural action stirs the real ocean? ocean currents caused by wind and the earth's roation
What happened to the oil? went back to the top
Even if you can’t see it, is all the oil still in your ocean? yes
Which animals in the ocean become affected after wave and current
action causes some of the oil to settle to the bottom, or be absorbed
into the water? bottom-feeders
Add a splash of dish detergent to the mixture and stir.
Answer the following questions:
What happened to the oil? it mixed with the water Is it all still in the ocean? yes
Sometimes cleanup efforts involve dumping a soap mixture over a spill area. Why is this done? to bond the oil to the detergent and the detergent to the water. so they can grab all the oil
What might be a negative effect of dumping the soap?</span> soap has chemicals that could upset the ballance of the ecosystem and kil some animals/plants
In creating products from trees with modern technology, only half of the trees can be used is false.
We all recognize that trees offer many useful products lumber for building production, furnishings, paneling, cabinetry, and floors, as well as paper of all sorts. however, tree merchandise moves ways beyond timber and paper. You are probably surprised at simply what number of tree merchandise you operate every day, and where they're located.
These encompass rayon garb, cellophane paper, cigarette filters, difficult hats, and sandwich bags. extra tree byproducts include chemical compounds extracted from bushes. these chemical compounds are used to make dye, pitch, menthol, and scented oils. By getting rid of carbon dioxide and returning oxygen, timber help preserves the stability between these gases within the surroundings, replenishing the oxygen removed through organisms and doing away with the carbon dioxide released via organisms.
Learn more about Tress products here:-brainly.com/question/12075408
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