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Unit 1 6th Grade Natural Science Review

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  • What are the 3 parts of a cell?
    A membrane, cytoplasm and genetic material
  • How many cells makeup unicellular and multicellular organisms?
    Unicellular - one cell, multicellular - more than 1 cell
  • What is the function of muscular tissue?
    to contract and relax in order to produce movement
  • What are the 4 types of tissues in multicellular organisms?
    Epithelial tissue, Muscular tissue, Connective tissue and Nervous tissue
  • What are the 2 types of organs?
    Internal and External
  • What are the 2 types of cells?
    Prokaryotic cells and Eukaryotic cells
  • What is the function of epithelial tissue?
    absorbing, secreting, and transporting substances
  • Complete the blanks: We are living organisms. We are formed of ____. _______ form Tissues. Tissues form _______. ________ form systems.
    We are living organisms. We are formed of cells. Cells form tissues. Tissues form organs. Organs form systems.
  • What are the 3 vital functions?
    Nutrition, Interaction, Reproduction
  • Are cells microscopic? What does microscopic mean?
    Yes, we can only see them using a microscope.
  • What are the main plant organs?
    Leaves, Roots, Stem and Reproductive Organs
  • What is the function of connective tissue?
    supports, protects, and maintains the form of the body and its organs and transport nutrients between tissue and organs
  • What is the function of nervous tissue?
    coordinates and controls many of the bodys activities
  • What are the 7 major systems in the human body?
    Respiratory System, Digestive System, Circulatory System, Excretory System, Reproductive System, Nervous System, and Locomotor System
  • Interaction relates to how living organisms _______ in their environment.
    React to change
  • What is the cell membrane?
    A thin wall that surronds and protects the cell. It controls the substances that enter and leave the cell.
  • What are the 2 types of nutrition and how do they get their nutrients?
    Heterotrophic (organisms get nutrients by feeding on other living organisms) and Autotrophic (organisms produce their own nutrients)
  • What are the 2 types of reproduction and how many living organisms do they each require?
    Sexual Reproduction (requires two living organisms) and Asexual Reproduction (one living organism)
  • What is cytoplasm?
    The fluid that fills the inside of the cell. It continas the organelles which perform different functions.
  • What is genetic material?
    Controls the cell´s activity.
  • Do Eukaryotic cells have a nuclues? Where is the genetic material?
    Have got a nucleus which contains the genetic material.
  • Do prokaryotic cells have a nuclues? Where is the genetic material?
    Have no nucleus. The genetic material is in the cytoplasm.
  • What are the 9 major animal organs?
    Brain, heart, skin, kidney, lungs, liver, intestines, stomach, reproductive organs
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