7 th Grade Fall Semester Review 2011

1. 7th Grade Fall Semester Review 2011

2. Pollination – sexual or asexual sperm EGG

3. Why do flowers have bright petals?

4. Define natural selection

5. Natural selection simply means that the organisms and species that survive and reproduce are the sole ancestors to the next generation of living things. Those that die or fail to reproduce will not continue. How does natural selection work

6. Charles Darwin saw in the finches was the difference in the beak adaptation, this fitting each new species to its niche or its place in the new environment. What did darwin discover about finches on the galapagos islands?

7. an offspring grows out of the body of the parent What is budding

8. if a part of their body is cut into half, they are able to grow the lost body part within a period of time. What is regeneration

9. the single DNA molecule replicates and the original cell is divided into two identical cells. What is fission

10. Requires fertilization of an egg by a sperm Can happen in plants and animals What is sexual reproduction

11. Requires only one parent. No egg or sperm required. What is asexual reproduction

12. Offspring look identical to the parents What type of offspring do asexual parents produce?

13. What are examples of inherited traits?

14. when a human picks and chooses specific traits for an organism by cross-breeding organisms with the desired traits What is selective breeding?

15. rr x rr ss x ss uu x uu Always cross recessive traits if you want only recessive traits ! If you want only recessive traits what should you cross? (punnett square not necessary)

16. What is the relationship between Dna, nucleus, gene, chromosome

17. Read volume of an irregular shaped object

18. How do endocrine and reproductive systems relate to one another? The endocrine system releases the hormones which regulate sexual function and reproductive processes Including the testes and ovaries in the Reproductive system

19. Inherited Through genes How are traits inherited?

20. What is a phenotype?

21. What is a genotype?

22. What is homozygous?

23. What is heterozygous?

24. Which two systems regulate the amount of oxygen and carbon dioxide in the blood?

25. Sperm Egg Ovary Testes Ovule Semen testosterone What are the functions of :

26. Microscope use

27. Systems directly related to walking

28. Mitochondria Cell wall Cell membrane chloroplast Function of these cell parts

29. removing waste products from the blood Function of the kidneys

30. Diaphragm Bronchial tubes Epiglottis Alveoli Function of the parts:

31. Examples of organic compounds

32. What and where are ball and socket joints

33. Wear goggles Wear gloves Tell teacher about accidents Safety rules when using chemicals in a lab

34. Muscles types

35. Describe a stimulus and response

36. Function of blood vessels and their description hollow tubes that transport blood throughout the entire body

37. force of blood against the walls of arteries Describe what blood pressure is

38. Physical or mechanical energy Energy required for peristalsis

39. Physical chewing to chemical digestion Energy transformation in mouth during digestion

40. Starches are breaking down to simple sugars Why do starches begin to taste sweet in the mouth…what’s happening?

41. Calculate Density – write this down

42. Describe when work is done and when it is not done

43. Percent chance of having a dominate or recessive trait using a punnett square

44. Relate the integumentary system to a house

45. Relate the digestive system to a house

46. Relate the excretory system to a house