WorksheetsNatural Selection and Adaptations
Total questions: 30
Worksheet time: 29mins
When organisms are better adapted to their environment they will survive and reproduce more successfully than organisms less adapted. This process is called what?
Selective breeding
Natural Selection
Cloning
Evolution of all species
Which scientist visited the Galapagos Islands and came up with the theory of natural selection?
Theodor Schwann
Gregor Mendel
Charles Darwin
Rudolf Virchow
Sometimes bones in the front limbs of animals are very similar in structure. What do we call similar bone structures that indicate a link to a common ancestor?
Adaptations
Gradualism
Homologous Structures
Extinction
A physical or behavioral trait that helps an organism survive and reproduce in its environment is called a what?
An adaptation
A response to a stimulus
A mutation
Evolution
What most likely caused the finches on the Galapagos Islands to have beaks that were different from the finches on the mainland?
There were different types of predators on the island.
There were different types of food available on the island.
The finches had no water to drink.
The finches on the mainland could not fly high enough.
What do we call a change in a species over time?
Adaptation
Evolution
Extinction
Environmental influences
The solidified remain or imprint of a once living thing are called:
Fossils
Homologous Structures
Vestigial Structures
DNA
Which trait MOST likely helps an animal survive in a very cold environment?
Long ears
Large eyes
Thick fur
Sharp Claws
What is the process in which populations CHANGE over time?
evolution
species
variation
competition
What do we call structures that no longer perform their original function?
Natural Selection
Analogous Structure
Vestigial Structure
Homologous Structure
What do you call a characteristic that allows an organism to survive in an environment?
variation
adaptation
selection
overproduction
A random and permanent change to a gene
Protein
Gene
Natural Selection
Mutation
Peppered moths were able to adapt to their environment because
They decided to change colors in order to survive
The population had varying traits
Pollution covered the trees
The trees camouflaged all moths
