0
What else can I help you with?
When did kettlewell publish his findings?
Kettlewell published his findings in 1955. His research on the peppered moth (Biston betularia) demonstrated natural selection in action, particularly in response to industrial pollution in England. This work became a significant example of evolutionary biology and contributed to the understanding of how environmental changes can affect species.
How do the populations in a community depend on each other?
The different populations in a community can interact in different kinds of relations with each other. Example include symbiosis, parasitism, commensalism, etc.
What is a non example of geographical isolation?
The great lakes is an example of a geographic barrier, isolating populations from each other. Populations can become separated (isolated) from one another, as one group expands northward of the lakes and another expands southward of the lakes. Mountain ranges are geographic barriers that isolate populations from one another, in much the same way as the great lakes. Oceans geographically isolate land masses, and their respective populations, from one another. This includes islands as well as continents. Examples: the Galapagos Islands, Madagascar, and Australia. *Geographic isolation is the chief mechanism of allopatric speciation, considered by some to be a theory.
What is a testable idea or explanation for what scientist think will happen?
A testable idea or explanation, often referred to as a hypothesis, is a statement that can be evaluated through experimentation or observation. For example, scientists might hypothesize that increasing temperatures will lead to a decline in certain fish populations due to habitat loss. This idea can be tested by collecting data on fish populations and temperature changes over time. If the results support the hypothesis, it can contribute to a broader understanding of ecological impacts related to climate change.
Why does evolution acts on populations and not individuals?
it's better to explain it using an example. say there are two types of moths - black and white. the black allele and the white allele together make up the gene pool (all of the alleles together) for the moth species. then say that there are only black trees in the habitat of these moths. in the eyes of a predator, it is much easier to see the white moths on the black trees than the black ones, so they continually get eaten. therefore, the allele frequency of the white moths goes down. because the moths are being eaten and there are less and less of them, we say they are being selected against and eventually the white moths die off, because they are not adapted to their environment
What are examples of Biston Betularia?
Biston betularia, commonly known as the peppered moth, is often cited as a classic example of natural selection. The two main forms of this moth are the light-colored (typica) and the dark-colored (carbonaria) variants. The dark-colored moths became more prevalent during the Industrial Revolution in England due to increased pollution, which darkened tree bark and provided better camouflage against predators. This phenomenon illustrates the impact of environmental changes on evolutionary processes.
How variation in biston betulria causes evolutioary changes?
Variation in Biston betularia, like differences in coloration, can lead to evolutionary changes through natural selection. For example, if a light-colored moth is better camouflaged against a light background compared to a dark-colored moth, it may have a higher chance of survival and reproducing. Over time, this can result in a shift in the population towards the more advantageous coloration, due to increased survival and reproductive success of the better-camouflaged individuals.
An experiment is performed with peppered moths. The table below shows the populations of light-colored moths and dark-colored moths before and after the trees turned black.?
the dark-colored moths were more fit. ( apex )
What is the present perfect of color?
The present perfect of "color" is "colored." For example: "The walls have been colored blue."
Is the variation in weight in human populations an example of discrete or continuous variation?
It is an example of continuous variations.
What is an example of a lightly colored igneous rock with small crystals?
Rhyolite.
What does attracks mean?
Attracks means to take an aggressive action against something. Typically it has to do with weapons. An example would be that "englands peasent's attracks wrecked havoic on the economy".
Is color a verb?
Colored is a verb when used in the sense of having, for example, colored something: She colored her hair red. Her child colored a drawing green. He colored his fence white. Colored is also a verb when used in the sense of blushing or changing color: He colored when he realized they knew he'd lied. The sky colored at dawn. Colored is an ajective when used in the sense of being a certain color: The curtains were colored blue. The new paint was red-colored. Their views are colored by recent media reports. Some foods are artificially colored. Colored is also a nearly-obsolete term for a person with skin darker than, for example, a light-skinned Caucasian person. This could be either a noun or an adjective: The terms 'colored person' 'person of color' or 'colored races' are now considered derogatory and offensive, and are no longer in general use' We would never now refer to anyone as 'a colored', as some might have a century ago.
What is a black pepper moth?
The black pepper moth, scientifically known as Biston betularia, is a species of moth that is commonly found in Europe and North America. It is notable for its coloration, which typically features a dark, speckled appearance that helps it blend into its surroundings, particularly on tree bark. The species is famously associated with the industrial melanism phenomenon, where pollution during the Industrial Revolution led to an increase in darker-colored individuals due to natural selection. This moth serves as an important example in studies of evolution and adaptation.
What is used to colur pasta?
Although food coloring can be used to color pasta, the better quality colorful pastas are colored with vegetables. For example, orange pasta may be colored with carrots or tomatoes, green pasta colored with spinach, and a bright magenta pasta colored with beets.
How do different types of populations obtain their food?
Different types of different populations obtain their food in a variety of ways. Fish for example swim to catch their food.
Can you give me an example of one subject and two predicate?
I colored and washed my hair today.
