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問題一覧
1
is the term used to describe the number and variety of life found on Earth. blank has has three types: genetic, species, and ecosystem
biodiversity
2
pertains to the variation of genes within species.
Genetic diversity
3
pertains to the variety and abundance of species within a region.
species diversity
4
is the variation among groups of organisms in different physical settings.
ecosystem diversity
5
The blank pertains to the number of organisms of the same species living in the same region
population
6
is a scale of the diversity of plant and animal species in a given area
biodiversity index
7
One of the primary drivers of biodiversity loss is habitat destruction due to activities such as deforestation, urbanization, agriculture, and infrastructure development.
Habitat destruction and fragmentation
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this are non-native organisms that are introduced to new environments, often due to human activities.
invasive species
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Overharvesting of natural resources, including overfishing, hunting, and logging, can lead to population declines and even extinctions of certain species
overexploitation
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blank from various sources, including industrial and agricultural runoff, can contaminate water, soil, and air.
pollution
11
can have significant impacts on biodiversity. Altered temperature and precipitation patterns, as well as rising sea levels, can disrupt habitats and migration patterns, affecting the distribution and survival of species.
climate change
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refers to the process of clearing or removing forests or large areas of trees, typically for the purpose of converting the land to alternative uses, such as agriculture, urban development, mining,or infrastructure construction.
deforestation
13
often referred to as "invasive species" or "infectious diseases," can have significant ecological, economic, and public health implications. These species or diseases are typically introduced to new regions where they are not native, and they can disrupt ecosystems, harm native species, and even impact human health.
the spread of non native species
14
Non-Mendelian inheritance refers to patterns of inheritance that do not follow the simple Mendelian principles proposed by blank? in the 19th century.
Gregor Mendel
15
In incomplete dominance, neither allele is completely dominant over the other. Instead, a heterozygous individual displays an intermediate or blended phenotype.
incomplete dominace
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occurs when both alleles of a gene are fully expressed in the heterozygous individual. This means that both traits are visible in the phenotype.
codominance
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Some traits are determined by multiple alleles of a gene.
multiple alles
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are genes found either on X or Y chromosomes which are inherited differences among males and females
sex linked Genes
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This is the outward appearance of an organism. In Mendel's pea plant, the phenotype for either genotype RR or Rr is round seeds.
phenotype
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This is the genetic makeup of an organism. For example, RR represents the genotype of a pea plant with round seeds if the plant is homozygous for round seeds
genotype
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A variant of gene controlling the same traits. Alleles usually occur in pairs. Depending on how they areexpressed they may be dominant or recessive.
allele
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traits are always expressed when the connected allele is dominant, even if only one copy exists.
dominant
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traits are expressed only if both the connected alleles are recessive. If one of the alleles is dominant, then the associated characteristics are less likely to manifest.
recessive
24
an Austrian scientist and friar, is often referred to as the "father of modern genetics" for his groundbreaking work on the inheritance of traits in pea plants. He formulated two fundamental laws of inheritance known as Mendel's Laws of Genetics:
Gregor Mendel
25
This law states that each individual has two alleles for each gene, one inherited from each parent, and these alleles segregate (separate) during the formation of gametes (sperm and egg cells)
first law of segregation