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Aleks [24]
3 years ago
12

Explain how microbes are useful to us?

Biology
1 answer:
FrozenT [24]3 years ago
4 0

Answer:

Explanation:

1. Microbes play defense. The oodles of microbes that live on and inside us protect us from pathogens simply by taking up space

2. Microbes boost the immune system

3. Microbes protect us from auto-immune diseases.

4. Microbes keep us slim. Microbes play an important role in our body shape by helping us digest and ferment foods, as well as by producing chemicals that shape our metabolic rates.

5. Microbes detoxify and may even fight off stress.

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A forest has two groups of plants that appear to be very similar both phenotypically and genotypically. The major difference is
Gennadij [26K]
The basics would be that you'd need to find out if they could exchange genetic information. If not, they couldn't be considered part of one species. Set-up 2 artificial environments so both groups would produce pollen at the same time. Fertilise both plants with the other's pollen. Then fertilise the plants with pollen from their own group. 
Count the number of offspring each plant produces. 
If the plants which were fertilised by the opposite group produce offspring, they are of the same species. You can then take this further if they are of the same species by analysing if there is any difference between the number (and health) of offspring produced by the crossed progeny and by the pure progeny. You'd have to take into account that some of them would want to grow at different times, so a study of the progeny from their first sprout until death (whilst emulating the seasons in your ideal controlled environment). Their success could then be compared to that of the pure-bred individuals. 
Make sure to repeat this a few times, or have a number of plants to make sure your results are accurate. 
Or if you couldn't do the controlled environment thing, just keep some pollen one year and use it to fertilise the other group. 
I'd also put a hypothesis in there somewhere too. 
The independent variable would be the number of plants pollinated. The dependant variable would be the number of progeny (offspring) produced. 
5 0
3 years ago
Vagal stimulation during suctioning can contribute to which conditions? select all that apply.
Fynjy0 [20]

Answer;

-Bradycardia

-Heart block

-Asystole

Explanation;

-Tracheal suctioning can cause a vagal response. This stimulus influences the electrical system of the heart, potentially leading to decreased heart rate (bradycardia), heart block, asystole, or other dysrhythmias.

-Bronchospasm would not be induced by this type of stimulus. Vagal stimulation can result in hypotension, not hypertension.

5 0
3 years ago
In order to provide sufficient food for a group of indigenous people in the Amazon, a section of rainforest will be cut down to
SVEN [57.7K]

A trade-off is the right answer.

A trade-off) is a situational determination that includes reducing or dropping a degree, amount or resources of a set in return for accumulations in other perspectives.

People in the Amazon performs the task of logging that is the cutting of the trees and storing the wood onto cars or wagons for the purpose of cleaning the forests for agricultural production to meet the demand of people for food. However, this activity of people in Amazon has caused a major problem of deforestation. Thus, the reduction in biodiversity is a trade-off between protection and economic expansion.

8 0
3 years ago
A common concern for beer brewers making sour beers is contamination from Acetobacter. This organism converts ethanol to acetic
wolverine [178]

Answer:

C. Ethanol, ammonium chloride, phosphate buffer, magnesium sulfate, calcium chloride, trace elements

Explanation:

Acetobacter must have a sufficient supply of oxygen and cannot grow in its absence. Colonies of acetobacter can be detected by a culture media containing ethanol as carbon source, the acid produce by the bacteria will dissolve the chalk thereby leaving a clear zone around the colony.

7 0
3 years ago
Read 2 more answers
2 Points
alina1380 [7]

Answer:

The answer is:

B. Worms consuming the blood from mammals.

Algae isn't causing any harm to the sloth, rather its providing it with camouflage to hide from predators. Both creatures benefits since the algae gets to eat any parasites and other things in the sloths fur, plus they get a free ride and home in the process. The sloth isn't harmed and is helped by the algae since it provides camouflage (mutualism).

Tree frogs aren't causing harm to the trees since they are only using them to hide from predators, the tree serves as protection for the frogs and aren't harmed in the process (commensalism).

Two fish protecting each other from predators aren't harming each other in any way, rather they are protecting each other from another animal that wants to eat them (mutualism).

The worms however are harming the mammals because they are consuming the mammals blood, this is parasitism since one animal is benefiting and the other is harmed.

Hope this helps! :)

8 0
3 years ago
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