Answer:
The correct answer are option A. "A microbiologist with the U.S. Geological Survey grew crescent-shaped fungal spores in a lab on refrigerated plates" and option C. "A specialist with the New York State Health Department detected crescent-shaped fungal spores when examining a sample swabbed directly from a living bat with a white nose".
Explanation:
Doctor Blehert and Doctor Behr are two scientists that are studying the relationship between fungal disease and the development of the bat white nose syndrome. In order to prove that bat white nose syndrome is caused by a fungal disease Blehert and Behr first took samples in the field and later analyzed the samples in the laboratory. First, a specialist with the New York State Health Department detected crescent-shaped fungal spores when examining a sample swabbed directly from a living bat with a white nose. Later, the samples taken from the shaped fungal spores were grew in the laboratory on refrigerated plates by a microbiologist with the U.S. Geological Survey. After analyzing the samples, the scientists conclude that the bat white nose syndrome is caused by a fungal disease.
The pair of statements that represent a direct field observation and a reinforcing lab observation are 'A specialist found dead bats with white noses' and 'A microbiologist grew crescent-shaped fungal spores in the lab'. These statements show how an initial field observation of bats' white noses led to a lab study where the associated fungus was grown, solidifying the link between the two.
The correct pair of statements representing an observation made directly in the field and then reinforced in the lab are B and A respectively. Let's understand why:
B. A specialist with the New York State Health Department, on an exploration, found dead bats with white noses. This constitutes an initial observation in the field of study. The specialist observed that bats in their natural habitat had contracted a peculiar condition (white noses) and were subsequently dying. This spurred the need for further investigation.
A. A microbiologist with the U.S. Geological Survey grew crescent-shaped fungal spores in a lab on refrigerated plates. After the field observation, the phenomena was then studied in a controlled lab setting. The microbiologist was able to grow the similarly crescent-shaped fungal spores, that were suspected to cause the white noses, in lab conditions. This confirmed the field observation and further strengthened the potential link between the observed white-nose condition in bats and the presence of this particular fungus.
#SPJ3
Answer;
Individuals that are well suited to the environment reproduce, and those that have lesser adaptations die before they reproduce.
Explanation;
-In Africa savanna more wildebeest are born than the environment can support. As a result over a period of years individuals that are well suited to the environment reproduce, and those that have lesser adaptations die before they reproduce. This is referred to as natural selection.
-Natural selection is the process where organisms with favorable traits are more likely to reproduce. In doing so, they pass on these traits to the next generation. Over time this process allows organisms to adapt to their environment.
As a result of having more wildbeest than the environment can support, over a period of years to come, it is only the ones that are able to adapt to the situation that will survive and give birth to young ones while those that are unable to adapt to the situation will die out. This phenomenon is called the survival of the fittest. Because there were more wildebeest than the food resources that are available, there will be competition and only those who can cope will survive and reproduce while others die out.
Answer:
its A
Explanation:
shorter version :)
Both Gradualism and punctuated equilibrium are explanations of the rate of evolutionary change. Therefore, the correct answer is A
Gradualism and equilibrium are two different ways in which the evolution of species can take place.
Gradualism is a variation that occurs gradually and can be cannot be recognized easily over a short period. Evidence of gradualism has been found by scientists in the geologic process. Scientists describe gradualism as some of the processes that are going on in earth’s landforms and surfaces. They also pointed out that the mechanisms it contained, erosion, plate tectonics combines the processes that in some aspects appear destructive and others constructive.
Punctuated equilibrium, on the other hand, has to do with the notion that since no changes can be seen in a species, there must however be a period when no changes take place. Punctuated equilibrium maintains that evolution happen in a short burst with a longer period of equilibrium.
One of the scientists that proposed punctuated equilibrium is William Bateson, he argued that species can only evolve rapidly and not gradually. He believed that evolution occurs rapidly in a species with a long period of stability.
Thus, Both Gradualism and punctuated equilibrium are explanations of the rate of evolutionary change. Both are accepted ideas of how evolution occurs in a species.
LEARN MORE:
KEYWORDS:
B.monosaccharide
C.dissacharide
The milk sugar, lactose, is made up of glucose and galactose it is a dissacharide.
Thus, A disaccharide is the sugar that results from the glycosidic connection of two monosaccharides, often known as a double sugar or biose.
Disaccharides are simple sugars that are soluble in water, just like monosaccharides. Maltose, lactose, and sucrose are three typical examples.
One of the four chemical classifications of carbohydrates (the others being monosaccharides, disaccharides, oligosaccharides, and polysaccharides) is disaccharides. Disaccharides having 12 carbon atoms, such as sucrose, lactose, and maltose, have the general formula C12H22O11.
Thus, The milk sugar, lactose, is made up of glucose and galactose it is a dissacharide.
Learn more about Dissacharide, refer to the link:
#SPJ6
B) 36
C) 46
D) 48
Answer:
A
Explanation: