Ecology?

What is a gene?

Determines inherited traits like eye color.

What is DNA?

Stores genetic information in a coded sequence.

What is the role of mitosis?

Produces new cells for growth and repair.

How does meiosis differ from mitosis?

Meiosis produces gametes with half the chromosome number.

What is cell differentiation?

Process where cells become specialized for specific functions.

What is natural selection?

Mechanism by which advantageous traits become more common.

What are sex chromosomes?

Determine an individual's sex; XX for females, XY for males.

What is a Punnett square?

A tool to predict offspring genetic combinations.

What happens during DNA replication?

DNA makes copies of itself before cell division.

What is a mutation?

An accidental change in DNA that can affect traits.

How do mutations contribute to evolution?

They create variations that can be beneficial for survival.

What is the significance of the fossil record?

Provides evidence of evolutionary changes over time.

What is the difference between sexual and asexual reproduction?

Sexual involves two parents; asexual involves one.

What is the function of chromosomes?

Contain DNA and genetic information in the cell nucleus.

What is the theory of evolution?

Explains how species change over time through natural processes.

What is the role of proteins in cells?

Build structures and control chemical reactions.