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aev [14]
3 years ago
5

In this exercise, you will research the effects of excess greenhouse gases in the atmosphere. You will apply the scienbific meth

od and m ow greenhouse gases warm the planet by covering a jar with plastic wrap. You will then relate the findings of your experiment to global warming Procedure
In Exercise 1, we observed that gases have different properties In this section we will further investigate gases. How are greenhouse gases related to global warming?
Biology
1 answer:
igor_vitrenko [27]3 years ago
4 0

Answer:

By heat trap mechanisms...

Explanation:

The main green house gases in our atmosphere are Carbon dioxide, Nitrous oxide, water vapors and ozone. All of these gases have a property of heat trap that trap the heat waves coming from the sun and heat up our atmosphere as a result. This is the reason why Venus is farther from sun but is more hotter than mercury because of it's dense Carbon Dioxide atmosphere.

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BaLLatris [955]

Answer:

A.claws

Explanation:

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3 years ago
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please help me name 5 each of producers, primary consumers (which eat only plants), and top predators (which eat only meat, or m
sleet_krkn [62]
Producers:
Hippos,elephants,cattle,antelope,horses
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5 0
3 years ago
Do you think it would be possible to construct a pyramid where the number of carnivores was more than the number of herbivores?
kondaur [170]

Answer:

Explanation:

Pyramid is the use of graph to represents the flow of energy in each trophic level. There are five trophic level and each has its own energy level pyramid help to show the energy at each level.

Each energy level must have at least One tenth of the energy level of the organisms before itself, this indicates that the energy in the lower tropic level is higher than the trophic level above.

Hence, carnivores cannot be more than herbivores in a biomass they need enough of herbivores to survive in the biomass as the energy level moves from the herbivores to the carnivores.

3 0
3 years ago
A plasmid contains the gene for tetracycline resistance and a lacz gene that has a restriction site in it. Foreign dna has the s
tester [92]

Answer:

The colonies are carrying the resistance genes from plasmids

Explanation:

Bacteria can acquire beneficial characteristics that they didn’t have. One way for these is through plasmids, which ones are little fragments of DNA that usually contains resistance genes (for antibiotics, disinfectants, heavy metals, etc.) or other capacities, like the ability to use some substances (for example sugars).

In this specific situation, we already know that the plasmid carrying genes for tetracycline resistance and the <em>lacZ</em> gene.  

A little explanation:

Tetracycline is an antibiotic that inhibits bacterial growth and kills the bacteria.  The bacteria can “fight” to this antibiotic if it has a resistant gene, the result is that the antibiotic can’t affect the bacteria and survive.  An analogy is like a Police Officer (bacteria) that have a bulletproof vest (tetracycline-resistant gene) so the bullets (tetracycline) didn’t affect the police.

In the case of X-gal, is a compound consisting primarily in one sugar called galactose. Not all bacteria can eat galactose, they need an enzyme called β- galactosidase (comes from <em>lacZ</em> gene) that helps the bacteria “eat” the sugar (cuts the sugar in little pieces so the bacteria can eat).  

Then, as the bacterial colonies can grow in the medium with tetracycline and X-gal,  we know that those bacteria are carrying the resistance genes for tetracycline (does not affect the bacteria) and the <em>lacZ</em> gene (bacteria produce β- galactosidase that cuts galactose). These genes are coming from the plasmids because we already know that the plasmid carries these genes and not from the exogenous DNA.  

7 0
3 years ago
Slime molds are very interesting organisms. When conditions are good, they live as
ASHA 777 [7]

Answer:

protista

Explanation:

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