A species found only in one small area has a very narrow range of distribution. The term range refers to the geographic area or region where a particular species can be found.
The range of a species can vary from being very broad to extremely narrow, depending on several factors such as habitat preferences, ecological niche, and geographic barriers.
Species with a narrow range are often considered to be at a higher risk of extinction because they are more vulnerable to environmental changes and human activities that can impact their small population size. In contrast, species with a broad range have a higher likelihood of surviving environmental disturbances and have a greater chance of recolonizing areas where they may have been extirpated.
It is important to conserve species with narrow ranges and protect their unique habitats to prevent them from becoming endangered or extinct. Conservation efforts such as habitat restoration, species management, and the establishment of protected areas can help to ensure the survival of these species and maintain the biodiversity of our planet.
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A cell with nuclear lamins that cannot be phosphorylated in M phase will be unable to ________________.(a) reassemble its nuclear envelope at telophase(b) disassemble its nuclear lamina at prometaphase(c) begin to assemble a mitotic spindle(d) condense its chromosomes at prophase
If a cell has nuclear lamins that cannot be phosphorylated during the M phase, it will be unable to disassemble its nuclear lamina at prometaphase.
Nuclear lamins are intermediate filaments that provide structural support to the nuclear envelope of eukaryotic cells. During mitosis, the nuclear lamina needs to be disassembled in order to allow for the separation of chromosomes. This process involves the phosphorylation of nuclear lamins by various kinases, including Cdk1 and Nek2.
Furthermore, failure to disassemble the nuclear lamina will also affect the reassembly of the nuclear envelope at telophase. The nuclear envelope must be reassembled to protect the newly formed daughter nuclei from damage and to allow for proper cellular function.
In conclusion, phosphorylation of nuclear lamins is crucial for proper mitotic progression. Failure to phosphorylate the lamins can have severe consequences for the cell, including chromosomal abnormalities and disruption of nuclear integrity.
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definiion of relativer contribution that an individuals makes to the gene pool
The relative contribution that an individual makes to the gene pool refers to the proportion of genes that they pass on to their offspring compared to the genes passed on by other individuals in the population.
This concept is important in evolutionary biology because it helps to determine which traits are more likely to become more prevalent in future generations.
The relative contribution of an individual's genes can be affected by factors such as their reproductive success, the number of offspring they have, and the genetic diversity of the population.
In general, individuals with traits that enhance their reproductive success are more likely to make a greater relative contribution to the gene pool.
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