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4 years ago

5

What was the most important development in the biological and medical sciences in the late 19th and 20th centuries based on the

work of roy porter and ernst mayr?

1 answer:

kenny6666 [7]4 years ago

6 0

Balls and balls and balls and balls and balls

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A population of frogs with slightly different coloring is an example of

Julli [10]

A population of frogs with slightly different coloring is an example of microevolution. Microevolution is the changes in the gene pool of a population that can be measured and observed in short periods of time within a population. Microevolution can take place in several ways such as gene flow, genetic drift, mutation and selection.

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3 years ago

(Animal Science) <br> ___ is a fungus that poisons poultry and can be fatal.

Vanyuwa [196]

Explanation:

Mycotoxicosis is the correct answer

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3 years ago

The big bang theory is one of the most accepted theories on the origin of the universe because of scientific evidence, such as

svp [43]

1. Red-shift, which is basically the Doppler Effect, but with light. Because stars in other galaxies appear to give off red light, this shows that they are moving away from us (Earth). Red light is on the far left of the Visible Light Spectrum, so things moving away from us appear to be red, while things moving towards us appear blue (the other end of the spectrum). This suggests that the universe is expanding all the time - and therefore it might have started from a single explosion - the Big Bang.

2. Cosmic Microwave Background Radiation (CMBR) has been found by scientists to be coming from all directions in space, and is suspected to be 'left over' energy from the Big Bang.

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3 years ago

You would most likely find a savannah grassland biome in an area with ?

Sindrei [870]

Answer:

west africa

with little rain

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3 years ago

Please help!!!! very confused pt 2

Schach [20]

Answer:

If the genotype of the parents are <em>Iᵃi </em>and <em>I</em>ᵇ<em>i, </em>then four type of offspring will be produced.The genotype of the offspring are, <em>IᵃIᵇ, Iᵃi,Iᵇi, </em>and <em>ii.</em>

Explanation:

<em>IᵃIᵇ = </em>As the alleles are co-dominant in nature, so both type of alleles are expressed. The blood group will be AB. So, both A and B type of antigen will be found in plasma membrane of RBC.

<em>Iᵃi= </em>In this type of genotype only A type of antigen will be expressed in the membrane of RBC. The blood group will be A type.

<em>Iᵇi= </em>In this type of genotype only B type of antigen will be expressed in the membrane of RBC. The blood group will be B type.

<em>ii= </em>This is a recessive type of genotype. So, no antigen will be found on the membrane of the RBC. And the blood group will be O type.

The offspring's ratio will be 1:1:1:1.

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3 years ago