7th Grade Life Science

Mrs. Hundt

deborah.hundt@ccboe.net

Remind to: 81010 @bg3bkg

"To know how to wonder and question is the first step to discovery." Louis Pasteur


3rd Nine Weeks Exam Review

Text/vocabulary: Ch. 9 Human Body Systems; Ch. 1 pages 18-33 Classification of Living Things; Ch 6 Lessons 3,4,5 Evolution of Living Things


Chapter 9- Human Body Systems- MULTIPLE CHOICE


  1. How is your body organized?
  2. What is the difference between the structures of cells and the function of cells?
  3. What is the function of each of the 4 types of tissues?
  4. How does each of these tissues function in the human heart?
  5. Make a chart to show the structures and functions of the following human body systems:

Skeletal, integumentary, muscular, circulatory, respiratory, digestive, and nervous

  1. What are the ways that your body maintains homeostasis?
  2. What is stress and how can this benefit and how can this hurt your body?
  3. Draw and label the human skeleton with common and proper terms; label the joints
  4. What is the difference between voluntary and involuntary muscles?
  5. What are the 3 types of muscles and where is each located?
  6. How do muscles work in pairs?
  7. What are the functions of the skin?
  8. What is melanin?
  9. What is the role of the nervous system?
  10. How do the three kinds of neurons work together in from a stimulus to a response?
  11. How are the central nervous system and the peripheral nervous systems different?
  12. What is the difference between a reflex and a response? Provide examples.
  13. Name and explain how four body systems work together to get oxygen to your cells.


Kingdoms/Classifications/Dichotomous Key/Branching Tree/- WRITTEN RESPONSE

  1. Identify characteristics for the kingdoms and domains.
  2. What is the importance of binomial nomenclature?
  3. Know the order of classification from broadest to most specific.
  4. Why is it important to have a common naming system?
  5. Give an example of convergent evolution. How does this connect classification to evolution?
  6. Review and prepare written responses from the last summative.

Evolution: WRITTEN RESPONSE

  1. What are the factors that affect natural selection? Draw and label an example.

2.What is the difference between natural selection and artificial selection (selective breeding)?

3. Give an example of how isolation can form new species?

4. What is the role of genes in evolution?

5. How does adaptation relate to the term “survival of the fittest” in evolution?

6. Complete the written responses from the last summative.



Second Semester Life Science Pace Calendar- 3rd Nine Weeks

*Subject to change

Human Body Unit 5- S7L2c Text Chapters 9 and 10

Week 1- Body organization and systems

Week 2- Human body systems and interactions- Skeletal and Muscular systems

Week 3- Human body systems and interactions- Digestive and Circulatory systems

Week 4- Human body systems and interactions- Respiratory and Excretory systems

Week 5- Human body systems and interactions- Nervous, Integumentary and Endocrine systems



Evolution and Organization- Unit 6- S7L1a/b S7L5a/c Text Chapters 1 and 6

Week 6- Classifying Life/Domains and Kingdoms- Chapter 1, Lessons 2 and 3

Week 7- Evolution and Classification- Chapter 1, Lesson 4

Week 8- Darwin's Theory and Evidence of Evolution- Chapter 6, Lessons 3 and 4



Week 9- Nine Weeks Exam Review and Assessment



2nd Nine Weeks exam- Tuesday, Dec. 17

Exam Review link below:

https://docs.google.com/document/d/1LwGjiC9kERGO-KfF_IYkdVPWKYTfMgFNPtzOVqtsIFo/edit?ts=5df1ac39

Early Release- Friday, December 20

Happy Holidays ....good health and happiness to all!!!

Second Nine Weeks Review- Chapters 3, 4, 5


Chapter 3: Cell Processes and Energy


Vocabulary- food chain, food web, photosynthesis, autotroph, heterotroph, chlorophyll, cellular respiration, alcoholic fermentation, lactic acid fermentation


Questions:

  1. How do living things get energy from the sun?
  2. What is the relationship of a lion, zebra, and grass to a food chain? ...a food web?
  3. How do living things get energy directly and indirectly from the sun?
  4. What is the relationship of producers to autotrophs, consumers to heterotrophs?
  5. Draw examples of producers, consumers, and decomposers in a food chain; include arrows that show the direction of the flow of energy.
  6. What is photosynthesis?
  7. How does photosynthesis connect to the way that plants get their food and the way we get our oxygen in the air we breathe?
  8. Where in the cell does each stage of photosynthesis occur? What in the each of the two stages of photosynthesis?
  9. What is the equation for photosynthesis? What are the raw materials and the products of photosynthesis?
  10. What is cellular respiration?
  11. Why do living things need cellular respiration?
  12. What are the two stages of cellular respiration and where does each occur in the cell?
  13. What is the equation for cellular respiration? What are the raw materials and products of cellular respiration?
  14. How are photosynthesis and cellular respiration considered a part of an energy cycle?
  15. What is the difference between anaerobic and aerobic respiration?
  16. What are two processes, functions, and examples of anaerobic respiration?


Vocabulary: cell cycle, interphase, replication, chromosome, mitosis, cytokinesis


  1. What are examples of the 3 functions of cell division?
  2. What happens during the cell cycle? What is the order of the stages in the cell cycle?
  3. What happens during each phase of interphase?
  4. What happens during mitosis?
  5. Describe the 4 phases of mitosis.
  6. What is cytokinesis?
  7. How is cytokinesis different for plants and animals?
  8. What kind of cells and how many cells are replicated during mitosis?
  9. Draw and label each stage and phase of the cell cycle.
  10. Why is it very rare for the heart to get cancer?
  11. How is mitosis related to cancer?

Chapter 4: Genetics: The Science of Heredity


Vocabulary: Gregor Mendel, P-parental, F1/filial,heredity, trait, genetics, fertilization, purebred, gene, allele, dominant allele, recessive allele, hybrid, probability, Punnett square, phenotype, genotype, homozygous, heterozygous,incomplete dominance, codominance, multiple alleles, polygenic inheritance, inherited and acquired traits, genes and environment


  1. Define each term.
  2. After each definition draw and/or provide examples of each.
  3. What is meiosis?
  4. What type of cells are influenced by meiosis?
  5. How many chromosomes are in human body cells? How many pairs of chromosomes?
  6. Show a Punnett square cross between a heterozygous plant dominant for tall height with a homozygous plant recessive with short height.



Chapter 5: DNA : The Code of Life


Vocabulary: nitrogen bases, DNA, RNA, double helix, adenine, thymine, cytosine, and guanine, deoxyribose, phosphate molecules, proteins, amino acids, DNA replication, messenger RNA, transfer RNA, protein synthesis, mutations


  1. What forms the genetic code?
  2. What letters would form the other strand of the helix with the bases GGCTATCCA?
  3. How do proteins relate to the order of the bases?
  4. How are the variety of traits related to proteins?
  5. What is the purpose of DNA replication?
  6. What is the role of RNA?
  7. What are the two types of RNA ?
  8. What is the importance of protein synthesis?
  9. What are mutations and examples of 3 how mutations can be helpful, harmful, or neither helpful or harmful?
  10. What are examples of patterns in human inheritance?
  11. What is the chromosome for a male? A female?
  12. How is colored-blindness considered a sex-linked gene?
  13. What is the relationship of a carrier to the inheritance of colorblindness?
  14. What is selective breeding and two types of selective breeding?
  15. What is cloning and an example of cloning?
  16. What is genetic engineering and how is the production of insulin an example of genetic engineering?

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