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Kazeer [188]
3 years ago
6

Anyone know any good books to study exam style questions for 9th grade biology?

Biology
1 answer:
krek1111 [17]3 years ago
5 0

Answer:

I'm not too sure specifically for 9th grade. Though I am in 12th grade right now and currently using the Edrolo biology textbook which is solely based on the key dot points/skills for the entire subject. They also include past exam questions or similar exam style questions both multiple choice and short answer for each topic and chapter within the book.

Explanation:

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Answer:

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Explanation:

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klemol [59]

Answer:

b. The two bacterial strains have different phenotypes.

Explanation:

In genetics, the trait that is expressed is often referred to as the dominant trait and it can also be expresssed phenotypically.

Since one of the bacteria produces the inducer, it therefore means that bacteria has the dominant strain for the regulatory inducer while the other bacteria might have the strain but since it is not expressed phenotypically, it is as a result not dominant.

Phenotype refers to the physical appearance of an organism as a result of the interaction of its genes with the environment. Examples of phenotypic expresssions are hair colour, skin colour, height, etc.

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2 years ago
What is the advantage of having large vertebrae at the base of the vertebral
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3 years ago
Define the general difference between an autotroph and a heterotroph
Klio2033 [76]

Answer:

Explanation:

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This is the critical difference between these two groups. Autotrophs synthesize or make their own food whereas, heterotrophs cannot make their own food thus have to rely on others by eating or absorbing others. For example, plants are autotrophs because they can make their own food using photosynthesis, whereas, humans are heterotrophs because we have to eat others to survive.

8 0
2 years ago
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Answer:

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