Evolution Review

What is DNA?

• A type of protein that helps in muscle contraction.

• The molecule that carries genetic information in living organisms, used as evidence for evolution.

• A carbohydrate that provides energy to cells.

• A lipid that forms the cell membrane.

What are analogous structures?

• Body parts in different species that have similar functions but different structures, indicating no common ancestor.

• Body parts in different species that have similar structures but different functions, indicating a common ancestor.

• Body parts in the same species that have similar functions and structures, indicating adaptation.

• Body parts in different species that serve no function and are remnants of evolution.

What is extinction?

• The end of an organism or a group of organisms, often due to environmental changes.

• A process of evolution where species adapt to their environment.

• The increase in population of a species over time.

• A method of conservation to protect endangered species.

What are homologous structures?

• Body parts in different species that are similar in structure but may have different functions, indicating a common ancestor.

• Body parts in different species that serve the same function but have different structures.

• Body parts in the same species that are identical in structure and function.

• Body parts that have evolved independently in different species without a common ancestor.

What is embryology?

• The study of embryos and their development, which can show similarities between different species.

• The study of plant life and their growth processes.

• The analysis of genetic material in adult organisms.

• The examination of fossil records to understand ancient life forms.

What is Evolution?

• Change over time in the characteristics of a species.

• A process of creating new species instantly.

• A method of improving species through artificial selection.

• A theory that denies the existence of species change.

What is the significance of genetic variation?

• It provides the raw material for natural selection to act upon, leading to evolution.

• It ensures that all individuals in a population are identical.

• It decreases the chances of survival for a species.

• It has no impact on the adaptability of organisms.

What are vestigial structures?

• Features that are fully functional in modern organisms.

• Structures that have lost their original function, like hind leg bones in whales.

• Newly evolved features that enhance survival.

• Essential organs that are critical for survival.

What do scientists find when comparing ancient ferns to modern ferns?

• That they have changed over time.

• That they are identical in structure.

• That they grow in the same environments.

• That they have the same reproductive methods.

What is a fossil?

• The preserved remains or traces of an organism that lived in the past.

• A type of rock formed from volcanic activity.

• A living organism that has not changed over time.

• A method of dating ancient artifacts.