WorksheetsEvolution by Gene Epoch
Total questions: 10
Worksheet time: 5mins
The earliest geological time period among the folowing is
Cambrian
Permian
Jurrasic
Quaternary
Genetic Differences between organusm of same species
Behaviour
Environment
Adaption
Variation
The struggle of existence agaibst other members of an organisms
Competetion
Gene flow
When did dinosaurs extinct
100 billion years ago
150 billion years ago
around 60-70 billion years ago
They are not extinct they were killed by human
identify homologous organs from below examples
Human arms and wings of birds
Wings of birds and insects
Legs of dogs and spider
Hands of humans and front legs of cattle
Organisms with traits that are best suited to the environment will
Become extinct
Increase in number
Force that initiates evolution is
Variation
Mutation
Extinction
Adaption
What is the study of organisms at the early stages of development?
DNA studies
Extinction
Fossil record
Comparitive embryology
When looking at two birds of the same species, you notice that one has darker feathers than the other one. You also notice that one has a beak that is just a little longer. These slight difference within members of the same species are called
Fossils
Meiosis
Variation
Extinction
Sometimes bones in the front limbs of animals are very similar in structure. What do we call similar types which indicates common ancestors
Homologus
Gradualism
