Answer:
The correct answer is a. Pseudomonas aeruginosa would be colorless on EMB
Explanation:
Pseudomonas aeruginosa is a gram-positive bacteria that is rod shape. It shows a few nutritional requirements and can even adapt to those conditions in which the other bacteria can be adapt.
It is non-fermentative bacteria so it does not ferment lactose and other carbohydrates. As EMB agar contains lactose and some dye, therefore, the lactose fermenting bacteria ferment the lactose and show good growth and color change.
But as Pseudomonas aeruginosa is a non-fermentative bacteria it does not ferment lactose and does not show any color and forms a colorless colony. Therefore the correct answer is a.
The answer is b i did the quiz
I cant help with your question but add me on snap
1) Independent Variable- I change: the lighting or the dark vs light (Idk if I'm making sense)
Dependent Variable- data being collected: How many ants end up on either side
Hypothesis- If, then statement... Well you can make this up but if you need my help I'll help... Hope this helpsss!!
<span>1. One common interaction between biotic and abiotic components of an ecosystem is photosynthesis.
Sunlight is abiotic (solely energy), and it fuels the synthesis of
sugars and proteins inside plant cells once it is taken up by plant
leaves. </span><span>This process also produces oxygen.
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2. Biotic factor that can affect the size of a population in a specific ecosystem:
<span>Number and kinds of predators in the ecosystem.
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Predator-prey relationships
When the
moose population is high on Isle Royale, the wolves have more food
source from preying on the moose. This supports an increase in the wolf
population.</span>
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3. Temperature
You can change the temperature to freezing it will affect the aquarium because the organisms will not be able to tolerate the new environment if they are species that thrive in warm temperatures.
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