5 Written Questions
5 Matching Questions
- Vestigal structure
- Homologous structure
- a To make a copy of.
- b A body part that appears to be useless to an organism but was probably useful to the organisms ancestors
- c The changes in a population over time.
- d A body part that is similar in related organisms
- e A section of DNA that carries a trait. Each DNA molecule has thousands of genes.
5 Multiple Choice Questions
- The process that results in sex cells. The chrmosomes are copied in the parent cell. The cell divides into two new cells. Each new cells divides again. One parent cell results in four new sex cells. Each sex cell contains one-half the number of chromosomes of the parent cell.
- The passing of traits from parents to offspring. All organisms pass information about traits to their children.
- Sex cell. Males produce sperm cells, females egg cells. Each gamete has only one-half of the chromosomes found in the organism's body cells. When the gametes join they form a cell that has a complete set of chromosomes.
- The theory that more recent species of organisms are changed descendants of earlier species
- Material in each chromosome that contains an organism's genes. Each DNA molecule in a cell makes one chromosome. LArge molecule shaped likea twisted ladder. The rungsof the ladder are made of four bases.
5 True/False Questions
Hypothesis → A testable explanation of a question or problem
Base → A section of DNA that carries a trait. Each DNA molecule has thousands of genes.
Natural Selection → A mutation that results in the death of an organism.
Mutation → A change or adjustment that makes an organism better able to survive in its environment.
Chromosome → A molecule found in DNA that is used to code information