The Immune System: Your Magic Doctor
1) What parts of the body block entry to most of the bacteria and viruses in the air?
Skin and external barriers, hairs in nose, eyelashes and eyelids, mucus in nose & mouth
2) How does the body defend itself if a viru
Cell Membrane and Cell Walls
layered sheet of lipids called a
2. Proteins and Carbohydrates
Carrier: a?ach to the molecule and carry it across
Always obtain teachers
conducting an experiment
or entering storage/prep
Study the procedure. If
you have questions, ask
your teacher, Be sure
you understand any
safety symbols shown on
Ch. 1 Sec-on 2
Ancient Greek, 2300 yrs ago
Set rules, based on his observa-ons, that
explained the dierence between living and
Un-l 400 yrs ago believed that living thi
The Compound Microscope
1) Carry with one hand under base and other
grasping the arm.
2) Turn the coarse adjustment knob until the
objective lens is about 2cm above the opening of
3) Rotate nosepiece to the lowest power objective.
1) Investigate and understand the natural
2) Explain events in the natural world.
3) Use explanations to make predictions.
State the Problem (purpose)
As a question
Gather Information/Make Observations
Groups of atoms
Smallest unit of most chemical compounds
Smallest functional unit of life
Individual living thing
Group of individuals from the same species in the
WEATHER VS. CLIMATE
day-to-day conditions of Earths
atmosphere at a particular time and place.
Climate: average, year-after-year conditions of
temperature and precipitation in a region
The trapping of hea
Biome: a group of ecosystems with the
same climate and the same dominant
Ecosystem: all the biotic and abiotic factors in
a particular place
Community: dierent groups of species living
Ecosystems and Communities
What Shapes an Ecosystem?
What Shapes an Ecosystem?
Biotic and Abiotic Factors
Infec&ous Disease versus Non-
caused by a pathogen that enters the body
can be transmi:ed
not caused by a pathogen
cannot be transmi:ed
The Amazing World of
Fungus and Protists
Designed by yours truly.so you better
What is a protist?
n Eukaryotes that are not classified as animals,
plants or fungi.
n Classified by the way they obtain nutrition
3 Types of Protists
! Needs: things we need to live. We truly can not live
! Nutri8ous food
! Place to live
! Warm winter coat or shoes
! Also in todays economy:
! Good educa8on
! Ex. For some, trans
What are wants?
Things that are not necessary for
survival but add comfort to our lives.
Jane buys a car.
Overview of Cellular Respira1on
Deni1on: process that breaks down glucose and other
food in the presence of oxygen to release energy
Uses oxygen (inhale), releases CO2 (exhale)
Food is a source
Energy and Life
Where does the energy that living things need
originally come from?
Organisms that make there own food
Organisms that get their energy by con
Ques4ons pg. 243
1) The larger a cell becomes, the more demands
the cell places on its DNA and the more
trouble the cell has moving enough nutrients
and wastes across the
Following the steps of the scientific method you will design your own experiment to answer the
following question: Do plant seeds need sunlight to germinate? You will be given a variety of supplies
to choose from to con
Introduction: In this lab you will observe the diffusion of a substance across a semi permeable
membrane. Iodine is a known indicator for starch. An indicator is a substance that chances color
in the presence of the substance it indica
I. Overview of Cellular Respiration
1. Food is a source of _
b. What do cells do to glucose?
2. General Equation of
a. Cellular respiration:
c. How do they compare?
B. Location: _ and
I. Energy and Life
a. Where does the energy that living things need originally come from?
d.i. Which one (autotroph or heterotrophy) is also called a producer? A
d.ii. Explain how energy is
Genotype of a male; female
# of chromosomes in human cells; gametes
Process that restores the diploid number
Father of genetics
Genotype of the recessive phenotype
Probability of having a son; daught
DNA TEST REVIEW
1) Label a DNA molecule
2) Parts of DNA
3) Chargaffs Rule
4) Difference between DNA in Prokaryotes and Eukaryotes
5) Chromosome, histones, nucleosomes, genes
7) Difference between DNA and RNA
The variety of alleles of all genes in a species
Important in maintaining biodiversity among
New gene combina$ons
e.g. crossing over of c
To name and group the diversity of life
The science classifying and naming organisms
Scien2st called a taxonomist
You will be able to
Provide a scien<c explana<on for the history of
life on Earth using scien<c evidence (e.g. fossil
record, DNA, protein structures, etc.).
Account for the evolu<on of a species by ci<n
To copy DNA before a cell divides.
DNA helicase: unzips the 2 strands of the double
DNA polymerase: joins new nucleo(des to the
original strand to make a new polymer (nucleic