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Tutor profile: Krista B.

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Krista B.
Aspiring science teacher currently working towards an M.A.T in science education
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Questions

Subject: Basic Chemistry

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Question:

What is the difference between an ionic and covalent bond?

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Krista B.
Answer:

In covalent bonds the electrons are being shared between atoms. Ionic bonds is the transfer of electrons between atoms.

Subject: Biology

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Question:

What is a symbiotic relationship? What are some examples of symbiosis.

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Krista B.
Answer:

Symbiosis is a close and dependent interaction between two biological species. One example of symbiosis can be found in fungi and trees. Lichens that live on the branches and bark of trees contain photosynthetic properties. The lichens cannot live on their own, so they use the tree as their host. In return the lichen aids in photosynthesis which inevitably benefits the tree. Another example of symbiosis is the relationship between clown fish and anemones. The clown fish feed on small organisms that might be detrimental to the anemones and also provide nutrients via their excretions. The benefit of the clown fish is protection from predators due to the stinging cells.

Subject: Biology

TutorMe
Question:

What is the definition of dual purpose in regards to poultry?

Inactive
Krista B.
Answer:

Dual purpose means that a breed of chicken can be used for more than one purpose. Usually that means they are used for meat and eggs, or eggs and exhibition. This is in contrast to single purposed breeds which would have one specific use.

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