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ELEN [110]
3 years ago
11

In the Galapagos Island finches, the variation in the beak shape corresponded to which finch characteristic?

Biology
2 answers:
Sladkaya [172]3 years ago
7 0
The answer is A, their diet because their beak evolved due to what they ate.
Sladkaya [172]3 years ago
6 0

Correct answer: A). Their Diet

Charles Darwin saw a different design of the beak developed in the finches on the Galapagos Island. All the finches are adapted to their island, which came up to the reproduction rate because they are fighting for the same food.

Their beaks are adapted to the food source, which was favored by the natural selection, which results in the evolution of the finch species.





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alexdok [17]

Answer:

A differential medium

Explanation:

Bacteria require nutrients for growth, and in order to culture (grow) them and study their characteristics, different types of media are used.

A selective media is used to grow a particular group of organism while suppressing another. So a selective media usually has an inhibitory agent, which will inhibit the growth of the undesired group. An antibiotic can be added to a medium to make it selective.

A general purpose medium as the name implies can be used to grow any group of bacteria. It has no inhibitory agent and indicator that differentiates between organisms. An example of general purpose media is nutrient agar .

A non-synthetic media is made from natural ingredients.

A differential media differentiates between groups of organisms. Example of differential media is MacConkey agar and Mannitol Salt agar. On MacConkey agar, lactose fermenting bacteria turn pink while non-lactose fermenting bacteria are colorless.

On Mannitol Salt agar, mannitol fermenting bacteria turn yellow while non-mannitol fermenting bacteria are colorless. Mannitol Salt agar is also a selective medium. It has a high salt concentration which inhibits certain organisms.

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3 years ago
____ on the blood determine a person’s blood type.
Sauron [17]
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A cell under a microscope shows Two daughter cells were formed and they are haploid. Which stage of meiosis is the cell showing?
Nadya [2.5K]

The answer is <span>Meiosis I.</span>



<span>Meiosis is a cell division which results in the reduction of chromosome number by half - from diploid to haploid - in daughter cells. It consists of meiosis I and meiosis II. Meiosis I produces two haploid cells. Meiosis II is analogous to mitosis, so each of these two haploid cells will in meiosis II produce two haploid cells. In total, meiosis results in four haploid cells.</span>

<span>
</span>

<span>Therefore, the production of two haploid daughter cells is in meiosis I.</span>

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Answer:

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Other than contributing to potential increase in diversity of species in an ecosystem, exotic species have positive benefits like removing toxins from the soil, regulating erosion, and controlling undesirable species.

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