Evolution - Coventry Schools

Evolution - Coventry Schools

EVOLUTION EVOLUTION OF LIVING THINGS Evolution when a species of plants or animals adapts to their environment in order to survive over a long period of time Key points!

Species Plants or Animals Adaptations In order to survive Long period of time EVOLUTION OF LIVING THINGS

Species a group of organisms that can mate and produce fertile offspring Evolution does NOT occur to individuals (you) it occurs to the whole species (human beings)

Speciation Event When one species evolves into two new species EVOLUTION OF LIVING THIGNS Plants and Animals All organisms go through evolution including plants,

animals and even bacteria! EVOLUTION OF LIVING THINGS Adaptation a trait that is advantageous (good) in the species

current environment that is evolved through the process of natural selection Becomes more common because they survive better Natural Selection changing the physical appearance of a species based on survival rate

EVOLUTION OF LIVING THINGS In order to Survive Organisms do not adapt and evolve because they feel like it, they evolve because something in their environment is pushing them toward that trait

Animals who dont have the trait pass away What Types of Things Predator Competition Food Source Climate Change (good or bad) Sexual Selection

EVOLUTION OF LIVING THINGS Long Periods of Time Always remember we are dealing with huge lengths of time with Earth Science and Evolution Fast could still mean thousands of years

Slow could mean millions! EVOLUTION OF LIVING THINGS Evolutionary Trees An evolutionary tree shows the history of a species through long periods of time

Similar to a family tree Shows which species have gone extinct along the way EVOLUTIONARY TREE EVOLUTION OF LIVING THINGS Evolutionary Trees An evolutionary tree shows the history of a species through

long periods of time Similar to a family tree Shows which species have gone extinct along the way Evolutionary Line The direct line on the tree that leads to a specific species These trees have different branches, each branch is related

but NOT directly Kind of like your Uncle and you EVOLUTIONARY TREE EVOLUTION OF LIVING THINGS

Evolutionary Trees An evolutionary tree shows the history of a species through long periods of time Similar to a family tree Shows which species have gone extinct along the way Evolutionary Line

Speciation Event When one species splits and evolves into two or more species Symbolized by a fork in the Evolutionary Tree EVOLUTIONARY TREE EVOLUTION OF LIVING THINGS

Extinction The process of reducing a species population to 0 Along the way (as it decreases) they are called Endangered Fossil Record Connection The fossil record allows us to do two VERY important things

1. It allows us to trace and follow the evolution of a species through time in order to build and understand Evolutionary Trees 2. It also allows us to determine when a species goes extinct

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