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Biology Notes Characteristics of Living Things Part 1

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Biology Notes Characteristics of Living Things Part 1 Standard Students will: Identify what science is , what clearly is not science, and what superficially resembles ... – PowerPoint PPT presentation

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Title: Biology Notes Characteristics of Living Things Part 1


1
Biology Notes Characteristics of Living
Things Part 1
2
Standard
  • Students will
  • Identify what science is , what clearly is not
    science, and what superficially resembles
    science.
  • Essential Questions
  • 1. What qualifies something as alive?

3
I. What is Biology?
life
  • Biology the study of _____
  • For an organism to be considered _________, it
    must possess certain _________________

alive
characteristics
4
A. Characteristics of Living Things
cells
  • 1. All living things are made up of _______

Foot fungus cells
Red blood cells
Plant Cells
5
matter
  • Cell a collection of living ________ enclosed
    by a barrier that separates the cell from its
    ____________
  • A cell is the smallest unit of _________
    considered to be _____
  • Creatures with only one cell are called
    ____________ while creatures with more than one
    cell are called ____________

environment
matter
alive
unicellular
multi-cellular
6
Unicellular or Multi-Cellular????
unicellular plankton
multi-cellular flower
unicellular gut bacteria
multi-cellular bird
7
  • 2. All living things _____________
  • Sexual Reproduction creating a new __________
    from cells of ___ different ________
  • e.g.

reproduce
organism
2
parents
humans, fish, plants, lions, etc.
8
  • Asexual Reproduction creating a new __________
    from only ____ parent
  • e.g.

organism
one
Hydra (budding) most unicellular organisms
9
  • 3. All living things are based on a _________
    code (____)
  • Organisms created by __________reproduction are
    identical to the single parent. They have the
    same _______ or genetic code.
  • Organisms created by _______reproduction are
    similar to ______ parents because the offspring
    have DNA from each parent.

genetic
DNA
asexual
DNA
sexual
both
10
grow
  • 4. All living things ______ and ________
  • Unicellular organisms typically only ______ in
    size whereas multi-cellular organisms grow and
    _________
  • Differentiation the process of development
    where a single cell will ____________ and the
    groups of cell will take on different _______ in
    the body
  • e.g.

develop
grow
develop
multiply
jobs
Nerve cells, brain cells, etc.
11
  • Q. Do unicellular organisms grow and develop?
  • Unicellular organisms only grow
  • Q. Do multi-cellular organisms grow and develop?
  • A. Multi-cellular organisms both grow and
    develop.

12
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13
  • 5. All living things need sources of _______
  • Energy is needed to complete many of lifes
    __________
  • e.g.
  • What is the ultimate source of energy for life on
    Earth? ____________

energy
functions
Cellular respiration (all organisms) /
Photosynthesis (plants)
the sun
14
  • Metabolism the series of __________ to build
    or break materials in order to obtain ___________
    necessary for life ___________
  • e.g.

reactions
energy
functions
Eat food ? broken down for energy (humans,
animals, etc.)
15
  • 6. All living things __________ to their
    environment
  • Stimulus any signal to which an organism can
    respond
  • Stimuli can either external or __________
  • e.g.

respond
internal
sun to plants ? grow (external) / low blood sugar
? hunger ? eat (internal)
16
  • 7. All living things maintain _______________
  • Homeostasis the ability of an organism to keep
    a ________ internal environment
  • e.g.

homeostasis
stable
body temperature / heart rate / sugar level
17
  • 8. As a group, living things __________
  • Evolution the change of an organism over _____
    in order to adapt to a ___________ environment
    and _________
  • e.g.

change
time
changing
survive
giraffe necks
18
B. Hierarchy of Biology
  • Biologists can group systems and organisms
  • to study or ____________ progressively
  • from the simple to the most ________

investigate
complex
19
  • 1. Subatomic Particles _________, neutrons,
    and electrons that make up atoms
  • 2. Atom the basic unit of _______
  • e.g.
  • 3. Molecule a group of atoms that is the
    smallest unit of chemical ___________
  • e.g.
  • 4. Organelle groups of molecules that perform
    the same tasks make up the different parts of a
    ____
  • e.g.

protons
matter
oxygen atom, hydrogen atom
compounds
water, DNA, proteins, salt
cell
nucleus, cell membrane, mitochondria
20
  • 4. Cell smallest living piece of __________
  • e.g.
  • 5. Tissues groups of similar cells that perform
    the same ___________
  • e.g.
  • 6. Organ groups of _________ that perform
    similar functions
  • e.g.

matter
nerve cell, liver cell
function
smooth tissue, connective tissue
tissues
brain, heart
21
  • 7. Organ System groups of ________ that perform
    similar functions
  • e.g.
  • 8. Organism an individual living ______ that
    has multiple and interacting organ systems
  • e.g.
  • 9. Population groups of __________ that live in
    the same ______
  • e.g.

organs
digestive, circulatory
being
plant, person, worm
organisms
area
students at Sandalwood / herd of cows / flock of
sheep
22
  • 10. Community different ___________ that live
    in a defined area
  • i.e.
  • 11. Ecosystem (Biome) the community plus all
    the ___________ parts (climate)
  • i.e.
  • 12. Biosphere all ecosystems on _________

populations
Jax. Beach surfers, turtles, fish, seaweed, etc.
non-living
tundra, rainforest, savanna
Earth
23
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