Download Life Science 7.gr- Essential Questions

Life Science
Essential Standard#: 7.L.1 Understand the processes, structures and functions of living organisms that
enable them to survive, reproduce and carry out the basic functions of life.
Essential Questions:
7.L.1.1
 How do living and nonliving things differ?
 How do unicellular and multi-cellular organisms differ in structure and function?
 How do different single-celled organisms carry out basic life functions?
 What are some of the parts that assist with these functions in the single celled organisms?
 How are protists beneficial?
 What are Euglena, Amoeba, Paramecium and Volvox?
 What are the basic organelles of these one-celled organisms and the function of each organelle?
 How are the Volvox, euglena, paramecium and amoeba similar and different in how they reproduce, move and
eat?
 How do these one-celled organisms move, acquire food, and reproduce?
 How do euglenoids obtain food when there isn't enough light to perform photosynthesis?
 How does the amoeba use it pseudopod to move?
 In what ways are protists helpful and harmful to humans?
7.L.1.2:
 How are eukaryotes and prokaryotes alike and different?
 How are the structure and roles of plant and animal cells similar/different?
 How does the growth of a multi-cellular organism differ from the growth of a unicellular organism?
 How do the parts of a cell enable it to survive?
7.L.1.3
 What is the relationship among cells, tissues, organs, and organ systems?
 How do cells differ from tissues?
 Why are organs more complex than tissues?
 How are organ systems formed?
 How does cell differentiation lead to the organization within a multi-cellular organism?
7.L.1.4:
 What is the ______________ system and its function?
 How does the circulatory system work with the respiratory system?
 How do the immune and the integumentary system work together?
 Explain what might happen if one human body system stopped functioning properly. Be specific in your
description.
 How do the body systems work together to help the body maintain homeostasis?
 How do nutrients enter and leave the body?
Essential Standard#: 7.L.2 Understand the relationship of the mechanisms of cellular reproduction,
patterns of inheritance and external factors to potential variation among offspring.)
7.L.2.1
 How do eukaryotes differ from prokaryotes?
 Why do eukaryotes go through mitosis, but prokaryotes do not?
 What is mitosis?
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Which type of cells go through the process of mitosis and why?
How do chromosomes move during mitosis?
What are the steps of mitosis?
Compare and contrast each phase of mitosis.
How do binary fission, budding and regeneration help cells grow and divide?
What is meiosis?
How are mitosis and meiosis alike and different?
How are sexual and asexual reproduction alike and different?
What is DNA? Where is it located?
What is the importance of DNA?
What is a genotype and a phenotype?
How does knowing the genotype help you predict the phenotype?
How does an allele differ from a gene?
How do alleles determine the expression of the trait?
7.L.2.2
 How can you use Punnett squares to determine the probability of offspring?
 How can you apply knowledge of Punnett squares to determine certain traits in a family pedigree?
 What are certain genetic diseases and their symptoms?
 How can the probability of an organism inheriting certain traits be determined?
 How do homozygous and heterozygous traits differ?
 How do dominant and recessive traits differ?
 What is the difference between incomplete dominance and codominance?
 How does the phenotype of an offspring that expresses incomplete dominance differ from that of the parent?
7.L.2.3
 How do Punnett squares help geneticists determine the gender of offspring?
 How do geneticists counsel parents by using pedigree charts?
 How do environmental factors affect biological inheritance?
 How do behavioral, genetic and environmental factors influence whether an individual will inherit a specific
disease?
 How do life style choices affect biological inheritance?
 What if chromosomes did not pair up correctly?
 What if there was an extra chromosome or a deficiency of chromosome?