Classification Taxonomy is the practice of biological classification The phylogenetic classification system enables us to arrange?species?into?groups?based on their?evolutionary origins?and?evoluti...
Reproductive Isolation Organisms that belong to the?same?species?share the?same characteristics?and are able to produce?fertile offspring Reproductive isolation occurs when changes in the?alleles?a...
前段時間，CB官網發布一則重磅消息：2023-2024年將開設一個新的AP課程?——?AP Precalculus預備微積分，即微積分的前置課程，并計劃于2024年加入到AP考試中。AP預備微積分難嗎？刷題怎么刷？ AP Precalculus課程內...
Hardy-Weinberg Equation Hardy-Weinberg Principle The Hardy-Weinberg principle states that if certain conditions are met, the?allele frequencies of a gene within a population will not change from on...
Natural Selection can lead to Adaptation & Evolution Variation?exists within a species population Variation refers to the?differences between individuals. It can be interspecific (between diffe...
Ecological Niches & Adaptations Niche The place where a species lives within an ecosystem is its?habitat The role that a species plays within its habitat is known as its?niche, including: The?b...
Comparing Biodiversity Between Habitats Once the abundance of different species in an area has been recorded, the results can be used to calculate the?species diversity?for that area Species divers...
Measuring Biodiversity Within a Habitat The place where an organism lives is called its?habitat Habitats can vary in size, with some being very large (e.g. grasslands) while others are very small (...
Biodiversity & Endemism Biodiversity can be thought of as a study of all the?variation?that exists within and between all forms of life Biodiversity looks at the range and variety of genes, spe...
