Prior to 1850, the melanic form of the peppered moth in Europe was:______.

Answers

Answer 1

Answer: very rare !!! hope this helps

Answer 2

Answer: Rare hope this helps !

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The first step to begin digestion of food starts with the _____A : mouth

B : Stomach

C : Esophagus

Answers

mouth its mechanical digestion the ripping and tearing of food

The first step begins with: A. the mouth.

Food chains and food webs indicate the order in which organisms are eaten. What other information can food chains and food webs provide?

Answers

It can also show show the dry mass of living material at each stage of a food chain. Basically, how many organisms eat. For example:
1 oak tree → 1000 caterpillars → 100 shrews → 10 foxes
This is called pyramids of biomass.

Artificial selection was used on corn to produce a single strain of corn with increased growth rates and greater resistance to a fungus. Although farmers have continued to select for these traits, the productivity of this strain is no longer increasing. This suggests that:_____________.

Answers

Answer:

The natural variation for these traits has been eliminated

Explanation:

Natural variation occurs when there's a variation in the genetic and epigenetic material of a population (corn), in this case, caused by artificial selection. Since this variation is not happening anymore, this means that the genetic material is not being transmitted any longer and therefore the natural variation has been eliminated.

I hope you find this information useful and interetsing! Good luck!

What structure serves as a passageway for both air and food?

Answers

Primarily the pharynx, the trachea and bronchi.

Our heart is made up of three chambers, called the atria and the venucia.[True]
or
[False]

Answers

Answer:

false

Explanation:

Answer: False

Explanation:

Strengths would be categorized as ________ in a typical swot analysis.

Answers

Answer:

Strengths would be categorized as internal factors in a typical SWOT analysis.

Explanation:

In a SWOT analysis, strengths refer to the internal attributes or characteristics of a person, organization, or entity that give them a competitive advantage or contribute positively to their performance. These are factors within their control that they can leverage to achieve their objectives and succeed in their endeavors.

Some examples of strengths in a SWOT analysis could include a strong brand reputation, skilled workforce, innovative products or services, efficient operations, established customer base, or financial stability. These are internal factors that can provide an edge over competitors and contribute to overall success.

To summarize, strengths are categorized as internal factors in a typical SWOT analysis. They are the positive attributes or characteristics that give an individual or organization a competitive advantage.

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For the growth curve to continue increasing which of these must occur

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A recent study has shown an increase in the number of predators in an ecosystem. Which of the following is a possible cause for the growth?a. A decrease in the population of prey it feeds on. b. An increase in the population of prey it feeds on c. A decrease in the biodiversity of the ecosystem d. An increase in the number of predators that feed on it