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Eva8 [605]
3 years ago
14

Skin is able to prevent most microorganisms from entering the body by

Biology
1 answer:
Goshia [24]3 years ago
8 0
The structure of the skin is an effective barrier against bacteria. The multiple layers of epidermis, while can be invaded by foreign organisms, has a high turnover rate which means it is constantly shedding, therefore even the bacteria is shed protecting the body. Lastly, the skin's lipids maintain an acidic pH which slows and stops growth and replication of bacteria.
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3 years ago
Which of the following is the most effective argument for the improved treatment of animals in CAFOs?
BabaBlast [244]

Answer:

Many consumers are interested in buying from companies that consider animal welfare.

Explanation:

Factory farms, also known as Operators of concentrated animal feeding operations (CAFOs) are interested in maximizing their production efficiency to increase their profits, regardless of the animals´ health and growing conditions. These factories tend to prioritize rapid growth and production over animal welfare, which might be an important reason to think that they do not care about the quality of their product, more than they do about their earnings.

Since during the last years, there is a sharp increase in the people´s conscientization of animal welfare and the conditions in which they are grown, probably the most effective argument for the improved treatment of animals in CAFOs is that many consumers are interested in buying from companies that consider animal welfare.

People who care about animal conditions will not consume animal products from factory farms, which eventually ends by affecting these factories´ profits. If CAFOs improve animal treatment and get higher animal welfare standards, they will have more people consuming their products, which is basically their main interest.

7 0
3 years ago
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What is the purpose of each organism being able to carry out either cellular respiration or photosynthesis?
dalvyx [7]

Photosynthesis takes in sunlight and carbon dioxide, along with water and nutrients, so the plant can make energy. That energy is used for cell growth and repair, producing seeds, etc. The plant will exhale oxygen as a byproduct of photosynthesis.

Similarly, cellular respiration is also used to create energy for the host organism. However, the cells take in oxygen along with something like complex sugars (ie the stuff you eat) and use those components to form energy for the cell. The energy for human cells is useful for cell growth and repair, nerve impulses, muscle contractions, etc. Basically anything you can think of that the human body needs to do on a regular basis, it requires energy to do so. A byproduct of cellular respiration is carbon dioxide, which is exhaled out to the environment. The plant will then absorb the CO2 to keep the cycle going.

In short, both processes are used to make energy for the cell. The differences is what the inputs for each process require. Photosynthesis takes in sunlight, water, and carbon dioxide (and other plant nutrients), and exhales oxygen. Cellular respiration takes in oxygen and complex sugars (from plant material or other animals) and exhales carbon dioxide.

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3 years ago
"Scientists will often grow bacteria in prepared petri dishes. In some experiments, the petri dish will also contain paper disks
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I think you forgot to post the picture needed for the question. However, after some research I found it online. The picture should show a circle with areas for bacteria growth, area of no growth (ZOI) , and antibiotic disc A. The diameter in mm of the ZOI for disk A will be 13 mm. 
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3 years ago
Domain Eukarya divides into four kingdoms _____________, ______________, ______________, and _________________
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The four eukaryotic kingdoms are animalia, plantae, fungi, and protista.
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