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8.6 Natural Selection and Common Ancestry

Horizontales
A type of bacteria that can cause illness in humans and animals
The sequence of individuals or organisms that are directly related through a series of parent-child relationships
A group of people or animals who are born and live around the same time, and are typically of the same age group
The biological children or descendants of a parent organism
The long bone located in the upper arm, between the shoulder and the elbow.
A trait or characteristic that gives an organism an advantage over others in its environment
The long bone located in the thigh, between the hip and the knee
A specific characteristic or feature of an individual
The units of heredity that are passed down from parents to offspring and determine an organism's traits
A common or representative example of something
A change in an organism's DNA that can result in a new trait or characteristic
A distinguishing feature or quality of a person, animal, or thing
The way in which individuals or traits are spread out or distributed within a population
Verticales
The process by which certain traits or characteristics are favored or selected for in a population
Reproduction that does not involve the fusion of gametes, resulting in offspring that are genetically identical to the parent
A group of living organisms that share common physical and genetic traits and can interbreed to produce fertile offspring, as defined by modern scientific classification systems
The disappearance of a species or group of organisms from the Earth
Whiplike structures on the surface of some cells that allow for movement
A group of individuals of the same species that live in the same geographic area
The earliest known human or animal relatives from long ago
A characteristic or trait that can be passed down from one generation to the next through genetic information
Different forms of a gene that can result in different variations of a trait
The average value of a set of numbers
Differences in physical or genetic traits among individuals within a population
An organism in the earliest stages of development, from fertilization to the end of the eighth week of gestation in humans
Living factors or components of an ecosystem, such as other organisms or food sources
A subset of a larger group or population that is studied or analyzed to make conclusions about the larger group