The correct answer is A. Quantitative traits
Explanation:
In genetics, quantitative traits refer to traits or phenotypes (observable traits) that depend on many factors including multiple genes and actions in the environment. These traits differ from other traits because the traits tend to be more diverse in a population. In the case presented, the shell color in clams is an example of a quantitative trait because this phenotype is the result of three different each and each gene contains two alleles which means the color depends on many factors. Additionally, as most quantitative traits there is a higher variation in the phenotype considering clams can have different hues.
Answer:
The correct answer is - DNA --> RNA --> amino acid --> protein --> phenotype.
Explanation:
DNA encodes for the RNA and RNA encodes for the proteins in the process of central dogma to produce protein in two processes called transcription and translation to produce protein.
It begins with encoding DNA into RNA (mRNA), known as transcription, which is moved to the ribosome to translate into amino acid chains with help of tRNA and makes a specific protein which could be a form of genotype which express itself to produce a specific trait that makes a particular phenotype of that trait.
This happens because taproot formation is impossible, so trees developed shallow root beds.
Permafrost is soil that has a temperature below 0 °C (for about two years) and forms a solid matrix which can extend to a depth of hundreds of meters. Because of this structure the permafrost prevents trees from developing deep root systems. As a consequence, the shallow root bed of trees such as black spruce, causes them to lean or even fall.
When the two masses meet, the boundary is called a front. When warm and cold masses meet, it's called an occluded front. When an occluded front happens, the warm air is separated (occluded) from the cyclone center at the Earth's surface.
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The correct answer is option C that is, limiting factor.
In ecology, the limiting factor refers to the environmental circumstances, which restrict the abundance, growth, or distribution of a species or a population of organisms in an ecosystem.
In nature, the limiting factors like the water, availability of food, shelter, and space can modify the populations of animal and plants. Other limiting factors, like predation, competition for resources, and disease can also influence populations. If any of the mentioned limiting factors vary, the plant and animal populations get changed too.