Twenty Questions Subject Domain 3 Twenty Questions 1
Twenty Questions Subject: Domain 3
Twenty Questions 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
1. Has the various sections of a rainforest adapted to different factors ? T/F True, each level has adapted to different amounts of light
2. Natural selection results in… a. b. c. d. the survival of all offspring. no variation. a change in the frequency of traits. identical offspring. Answer: c
3. What is the advantage of meiosis? a. b. c. d. There is no advantage. Egg has same number of chromosomes as parent cell. Sperm has same number of chromosomes as parent cell. Genetic variation Answer: d
4. What is the advantage of mitosis? a. b. c. d. There is no advantage. It replaces worn out cells Only one parent is needed to produce offspring b and c Answer: d
5. What steps have been taken to slow ozone damage? a. b. c. Banning CFCs Clear cutting the rainforest Burning fossil fuels Answer: a
6. Sharks and porpoises are examples of a. b. c. d. Analogous structures Homologous structures Divergent evolution. Convergent evolution. Answer: a&d
This is an example of Answer: Homeostasis
. This is an example of… Genetic Engineering
9. Bacteria are called prokaryotic because they They lack a nucleus
10. How is RNA different from DNA (4)? a. b. c. d. DNA is a double helix – RNA is single stranded DNA has Thymine – RNA has Uracil DNA stays in the nucleus DNA – deoxyribose sugar – RNA – ribose sugar
11. Glycogen belongs to this group of macromolecules. a. b. c. d. Carbohydrates Lipids Nucleic acids Protein Answer: a
12. What organisms are the “colonizers or pioneer species” in primary succession? a. b. c. d. rocks algae lichens grasses Answer: c
13. Bacteria and Viruses are both considered as germs. How are they different? Viruses are smaller, non-living particles that have to have a host to reproduce.
Term - Eukaryotic cells evolved from prokaryotic cells Endosymbiotic Theory
15. A Human cell and a pine tree cell have this in common… a. b. c. d. chlorophyll Cell wall mitochondria chloroplast Answer: c
16. Which Biome is located near the equator, has the most biodiversity and receives 50 -260 in. (125 -660 cm) of rainfall per year? a. b. c. d. Desert Tropical Rainforest Grasslands Tropical desert Answer: b
17. This is an example of… a. b. c. d. Secondary Succession Primary Evolution Natural Selection Primary Succession Answer: d
18. What is an enzyme? a. b. c. d. A Carbohydrate that speeds up a reaction A Nucleic Acid that helps with DNA replication A Protein that speeds up reactions A Protein that slows down reactions Answer: c
19. In which type of solutions do cells loose water? a. b. c. d. Isotonic Hypertonic Hypotonic Diffusion Answer: b
20. Which theory states that Evolution occurs in spurts? a. b. c. d. Gradualism Darwinism Punctuated Evolution Survival of the Fittest Answer: c
- Slides: 22