2. Created by Terri Street Copyright, 2000

3.  1,000,0001,000,000  500,000500,000  250,000250,000  125,000125,000  64,00064,000  32,00032,000  16,00016,000  8,0008,000  4,0004,000  2,0002,000  1,0001,000  500500  300300  200200  100100

4. Click to return to question, Cont-P to switch to the pen, cross out two incorrect answers, then Cont-A to switch back to pointer.

5. Click to return to the question and poll the class

6. Click on link to Ask Jeeves, or click on this oval to return to question and ask a friend

7.  A. Osmosis A. Osmosis  C. Osmotic Pressure C. Osmotic Pressure  B. Active Transport B. Active Transport  D. Facilliated Diffusion D. Facilliated Diffusion 14.The diffusion of water across a selectively permeable membrane is called

8. Back to Board  A. 100 is Osmosis

9.  A. Receptor A. Receptor  C. Neuron C. Neuron  B. Organ B. Organ  D. Tissue D. Tissue What is the smallest structural and functional unit of the nervous system?

10. Back to Board C. 200 Neuron

11.  A. Commensalism A. Commensalism  C. Predation C. Predation  B. Mutualism B. Mutualism  D. Parasitism D. Parasitism Symbiosis in which both species benefit is called ________

12. Back to Board B. 300 Mutualism

13.  A. Nucleus A. Nucleus  C. That is C. That is double stranded  B. That is complementary B. That is complementary To both strands of the DNA  D. that is not complementary D. that is not complementary to either During transcription, an RNA molecule is formed _________.

14. Back to Board A. 500 is inside the nucleus

15.  A. Geographic Barriers A. Geographic Barriers  C. Temporal isolation C. Temporal isolation  B. Mating Behaviors B. Mating Behaviors Are different  D. Reproductive D. Reproductive Isolation A factor that is necessary for the formation of new species is____

16. Back to Board D. 1,000 Reproductive Isolation

17.  A. Eplitheal Tissue A. Eplitheal Tissue  C. Myocardium C. Myocardium  B. Pericardium B. Pericardium  D. Connective Tissue D. Connective Tissue Layer In the walls of the heart, there are two thin layers that form a sandwich- a thick layer of muscle called the _______________

18. Back to Board C. 2,000 Myocardium

19.  A. Lipids A. Lipids  C. Vitamins C. Vitamins  B. Amino Acids B. Amino Acids  D. Water D. Water Proteins are made of Subunits called ________

20. Back to Board B. 4,000 Amino Acids

21.  A. Sweating A. Sweating  C. Digestion C. Digestion  B. Urination B. Urination  D. Respiration D. Respiration Water is lost from the body by each of the following except?

22. Back to Board C. 8,000 Digestion

23.  A. Fossil Record A. Fossil Record  D. Genetic Variation D. Genetic Variation Within a population. Which of the following is not evidence of evolution  C. Similarites in C. Similarites in Embryology  B. Homologous Body B. Homologous Body Structures

24. Back to Board D. 16,000 Genetic variation Within a population

25. In a drop of pond water under a light microscope, you observe a unicellular organism completely covered in cilia. This organism is a _________  A. Sporangia A. Sporangia  C. Eukaryote C. Eukaryote  D. Virus D. Virus  B. Bacteria B. Bacteria

26. Back to Board B. 32,000 A Bacteria

27.  A. The Sun to Autotrophs A. The Sun to Autotrophs to Consumers In An Ecosystem, energy flows from ___________________.  C. Consumers to C. Consumers to  Producers Producers  B. Bacteria to B. Bacteria to Animals  D. Carnivores to D. Carnivores to Consumers

28. Back to Board A. 64,000 In A food Web- the Energy flows from the Sun to Autotrophs to the Consumers that eat the Autotrophs

29.  B.Produces hormones that B.Produces hormones that Keep the different organs in Balance. How does the endocrine System maintain homeostasis in the human body?  A. Helps Protect the A. Helps Protect the Body from diesease.  C. Coordinates the body’s C. Coordinates the body’s Response to the Environment  D. Eliminates Wastes. D. Eliminates Wastes.

30. Back to Board B. 125,000 The endocrine system’s main purpose is to produce hormones to control organ balance.

31.  C. Glucose is Broken down C. Glucose is Broken down For energy in the presence of oxygen During cellular Respiration, _____________  A. Glucose is Produced A. Glucose is Produced From the Sun’s Energy.  B. Water is Made B. Water is Made  D. Oxygen is exchanged D. Oxygen is exchanged With CO2

32. Back to Board C. 250,000 In Cell Respiration glucose is broken down to make ATP In the presence of oxygen.

33.  D. The parents were D. The parents were heterozygous for coat color. If the cross between two dominant black guinea pigs produces three black guinea pigs and one white guinea pig. Then the cross is between two __________.  A. Homozygotes A. Homozygotes  C. The genes for coat color are C. The genes for coat color are Linked to different chromosomes in the guinea pigs  B.Homologous Body B.Homologous Body Structures

34. Back to Board D. 500,000 You always get a 3:1 ratio when you cross two Heterozygote parents

35.  A. Leakage in the A. Leakage in the  Arteries Arteries Explain what Atherosclerosis is?  B. Blood Vessel B. Blood Vessel Hardening  D. Scloriosis of D. Scloriosis of the Heart.  C. A new type of C. A new type of  surgery surgery

36. B. 1,000,000 atherosclerosis Blockage by hardening of the arteries,.Blockage of these main arteries leads to heart attacks

37. Sorry, try again!

38. Thanks for playing!