Exercises Jaa Stages of evolution 23/1. Mark the correct statements Kirjaudu sisään lähettääksesi tämän lomakkeen a) Evolution is a term that means species becoming extinct. the gradual development of species. b) The Earth is about five million years old. about five billion years old. c) In chemical evolution, new molecules evolved. new species evolved. d) A fossil is a petrified remnant of an ancient organism. an extinct species. e) A vestige is for example, a human structure that is no longer of significant importance, such as the caudal vertebrae. an organ that remains small if not used every day.. f) Natural selection is a phenomenon where evolution results in the emergence of new species. where only the most eligible individuals produce offspring, or at least produce more offspring than others. g) According to the theory of evolution, all modern organisms have developed from organisms that lived before them. all species have always existed on planet Earth. h) The development of animals has followed the following pattern: reptile → bird→ fish fish→ reptile → bird Kirjaudu sisään lähettääksesi tämän lomakkeen 23/2. Evolution as a term Kirjaudu sisään lähettääksesi tämän lomakkeen a) What does the term evolution mean? b) How does evolution take place? Kirjaudu sisään lähettääksesi tämän lomakkeen 23/3. Darwin's finches Kirjaudu sisään lähettääksesi tämän lomakkeen The English scientist and explorer Charles Darwin published a book called The Origin of Species in the year 1859. Darwin's work marked the beginning of modern evolutionary theory. Find out and explain what Darwin found out about the development of finch species in the Galápagos islands. Kirjaudu sisään lähettääksesi tämän lomakkeen 23/4. Signs of evolution Kirjaudu sisään lähettääksesi tämän lomakkeen How do the following things serve as proofs of evolution? a) Fossils b) The structures of related species c) Plant and animal breeding Kirjaudu sisään lähettääksesi tämän lomakkeen
23/1. Mark the correct statements Kirjaudu sisään lähettääksesi tämän lomakkeen a) Evolution is a term that means species becoming extinct. the gradual development of species. b) The Earth is about five million years old. about five billion years old. c) In chemical evolution, new molecules evolved. new species evolved. d) A fossil is a petrified remnant of an ancient organism. an extinct species. e) A vestige is for example, a human structure that is no longer of significant importance, such as the caudal vertebrae. an organ that remains small if not used every day.. f) Natural selection is a phenomenon where evolution results in the emergence of new species. where only the most eligible individuals produce offspring, or at least produce more offspring than others. g) According to the theory of evolution, all modern organisms have developed from organisms that lived before them. all species have always existed on planet Earth. h) The development of animals has followed the following pattern: reptile → bird→ fish fish→ reptile → bird Kirjaudu sisään lähettääksesi tämän lomakkeen
23/2. Evolution as a term Kirjaudu sisään lähettääksesi tämän lomakkeen a) What does the term evolution mean? b) How does evolution take place? Kirjaudu sisään lähettääksesi tämän lomakkeen
23/3. Darwin's finches Kirjaudu sisään lähettääksesi tämän lomakkeen The English scientist and explorer Charles Darwin published a book called The Origin of Species in the year 1859. Darwin's work marked the beginning of modern evolutionary theory. Find out and explain what Darwin found out about the development of finch species in the Galápagos islands. Kirjaudu sisään lähettääksesi tämän lomakkeen
23/4. Signs of evolution Kirjaudu sisään lähettääksesi tämän lomakkeen How do the following things serve as proofs of evolution? a) Fossils b) The structures of related species c) Plant and animal breeding Kirjaudu sisään lähettääksesi tämän lomakkeen