Biology
Grade-8
Easy
Question
___________ is a force that causes groups of organisms to change over time.
- Mutation
- Variation
- Natural selection
- Reproduction
Hint:
Natural selection
The correct answer is: Natural selection
Natural selection is one of the major mechanisms of evolutionary change and is the process responsible for the evolution of adaptive features. It is a force that causes groups of organisms to change over time.
Related Questions to study
Biology
Who proposed the theory of evolution by natural selection?
Who proposed the theory of evolution by natural selection?
BiologyGrade-8
Biology
Acquired traits are traits that _________________.
Acquired traits are traits that _________________.
BiologyGrade-8
Biology
Variation occurs as a result of ___________.
Variation occurs as a result of ___________.
BiologyGrade-8
Biology
Which of the following is NOT evidence of evolution?
Which of the following is NOT evidence of evolution?
BiologyGrade-8
Biology
__________ is defined as change over time.
__________ is defined as change over time.
BiologyGrade-8
Biology
This is an example of:
This is an example of:
BiologyGrade-8
Biology
The basic principle used when dating fossils that are found in sedimentary is:
The basic principle used when dating fossils that are found in sedimentary is:
BiologyGrade-8
Biology
Match the following:
Match the following:
BiologyGrade-8
Biology
Which of the following is not a process in sedimentary rock formation?
Which of the following is not a process in sedimentary rock formation?
BiologyGrade-8
Biology
Inherited structures that have lost most of their original function are called ______.
Inherited structures that have lost most of their original function are called ______.
BiologyGrade-8
Biology
Fossils are found mostly in which type of sedimentary rock?
Fossils are found mostly in which type of sedimentary rock?
BiologyGrade-8
Biology
Fossil record is incomplete because:
Fossil record is incomplete because:
BiologyGrade-8
Biology
Ground-dwelling birds are an example that distantly related organisms living in similar environments are often similar.
Ground-dwelling birds are an example that distantly related organisms living in similar environments are often similar.
BiologyGrade-8
Biology
Which of the following correctly states the layers in order from youngest to oldest?
Which of the following correctly states the layers in order from youngest to oldest?
BiologyGrade-8
Biology
Homologous organs have ______
Homologous organs have ______
BiologyGrade-8
