Unit 4: Summary. Similarities and Differences Between Living Things

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1 Unit 4: Summary Similarities and Differences Between Living Things

2 Review cell theory All living things made of cells Cells perform life functions Cells come from pre existing cells

3 What are life functions?

4 Metabolism Chemical reactions needed to live

5 How does an amoeba perform life functions

6 How do plants perform life functions?

7

8 Life Functions =

9 Movement helps us respond to the environment

10 Respiration Release energy from food

11 Synthesis Making cell parts

12 Circulation Transport food and wastes within organisms

13 Excretion Waste removal

14 Digestion lysis = breakdown

15 Immunity Protect against invaders

16 Coordination and regulation Communication and control

17 Reproduction DNA replicates new cells

18 Organelles life functions

19 Body systems life functions Multi-celled organisms only

20 Life function chart

21 Movement Purpose Helps living things respond to environment

22 Flagella = whiplike tail

23 Sperm use flagella

24 Cilia

25 Throat cells

26 Skeletal muscle system Bones connected by ligaments Muscles connected by tendons

27 Respiration Purpose: Release energy from food Types: Aerobic = with O 2 Anaerobic = absence of O 2

28

29 Organelle Mitochondria produce ATP

30 Respiration requires gas exchange =Respiratory system

31 Synthesis Purpose Make things Examples: photosynthesis

32 Chloroplasts absorb sunlight

33 Synthesis Purpose Make things Examples: Protein synthesis

34 Body system LEAVES = organs photosynthesis

35 Ribosomes protein synthesis

36 Circulation Purpose = Transport of materials within an organism

37 Organelles = Cytoplasm

38 2 types of transport tissues in plants Xylem = carries water and nutrients up to leaves Phloem = carries sugar down to roots

39

40 Circulation in plants

41 Human Circulatory System

42 Heart pumps blood through arteries, veins and capillaries

43 Lymphatic System

44 Lymph collects body fluids and checks for disease

45 Excretion Purpose: Removal of cellular wastes Wastes include: CO 2, H 2 O, heat, nitrogen wastes urine and sweat

46 Cell membrane Organelle Water

47 Kidneys filter blood urine Excretory system

48 Digestion Function break down food into building blocks Complex sugars simple sugars Proteins amino acids

49 Lysosomes (lots of acids and enzymes)

50 Digestive system

51 Digestive system Chemical digestion (enzymes and acids) Mechanical Chewing and churning

52 Immunity Purpose Prevent disease and kill pathogens Pathogens = disease causing organisms

53 Organelle = Cell membrane

54 Body system = immune system White blood cells travel in blood and lymph

55

56 Coordination and regulation Purpose Control life functions communication

57 Organelle = Nucleus Nucleus DNA contains information

58

59 Nervous system

60 Nervous system Organs = brain and spinal chord Cells = nerve cells

61 Endocrine system biology.clc.uc.edu

62 Endocrine system Organs = glands release chemical messengers Called hormones

63 Reproduction Purpose: Necessary for the continuation of life 2 types Asexual genetically identical offspring Sexual diversity

64 Organelle = nucleus DNA replicates and cells split

65 Reproductive system Organs Females = ovaries eggs Males = testes sperm

66 Advantage of Sexual reproduction increased diversity

67 MRS. CEDICR Movement Respiration Synthesis Circulation Excretion Digestion Immunity Coordination and regulation reproduction

68 Cells and Tissues pyzsc8mq Tissue rap types-of-tissues-rap

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