View
213
Download
0
Category
Tags:
Preview:
Citation preview
Thomas Jefferson Thomas Jefferson Middle SchoolMiddle School
NJ Ask NJ Ask Life Science ReviewLife Science ReviewJust a few reminders to help Just a few reminders to help you to do your best on the NJ you to do your best on the NJ
ASK.ASK.
CellsCells
The Cell Theory-The Cell Theory-
CellsCells
Two Types of Cells:Two Types of Cells:
– Prokaryotic Cells:Prokaryotic Cells: Cells that do not Cells that do not contain a nucleus or organized organelles.contain a nucleus or organized organelles. Example-Example- Bacteria Cells Bacteria Cells
– Eukaryotic-: Eukaryotic-: Cells that contain a nucleus Cells that contain a nucleus and organized (membrane bound) and organized (membrane bound) organelles.organelles. Example: Example: Plant and animal cellsPlant and animal cells
Prokaryotic CellsProkaryotic Cells
No nucleus No nucleus or or organized organized organelles.organelles.
Study jams plant cellsStudy jams plant cells
http://studyjams.scholastic.com/http://studyjams.scholastic.com/studyjams/jams/science/plants/plant-studyjams/jams/science/plants/plant-cells.htmcells.htmhttp://studyjams.scholastic.com/studyjams/jams/science/plants/plant-cells.htm
Study jams animal cellsStudy jams animal cells
http://studyjams.scholastic.com/http://studyjams.scholastic.com/studyjams/jams/science/animals/studyjams/jams/science/animals/animal-cells.htmanimal-cells.htm
Plant vs. Animal CellsPlant vs. Animal Cells
Classification of Living Classification of Living ThingsThings
King Phillip came over for good spaghetti!
-sapiens-sapiens
- Homo- Homo
-Homidae-Homidae
-primates-primates
-mammalia-mammalia
-chordata-chordata
-animalia-animalia
--eukaryieukaryiaa
Classification of Living Classification of Living ThingsThings
Types of ReproductionTypes of Reproduction
Asexual Reproduction-Asexual Reproduction- Reproduction that does not involve Reproduction that does not involve the union of sex cells (sperm & egg). the union of sex cells (sperm & egg).
– One parent produces offspring that are One parent produces offspring that are genetically identical to the parent.genetically identical to the parent. Example: BacteriaExample: Bacteria
Asexual ReproductionAsexual Reproduction
The parent cell splits or divides to from a new cell! They are both the same! No genetic variation.
Types of ReproductionTypes of Reproduction
Sexual Reproduction-Sexual Reproduction- Reproduction in which the sex cells Reproduction in which the sex cells (sperm & egg) from two parents (sperm & egg) from two parents unite to produce offspring that share unite to produce offspring that share the traits (characteristics) of both the traits (characteristics) of both parents.parents.– Example: People, animals, plantsExample: People, animals, plants
Sexual ReproductionSexual Reproduction
As a result of sexual reproduction the offspring
share the traits or characteristics of both parents.
Sexual ReproductionSexual Reproduction
Photosynthesis and
Respiration
Study jams photosynthesisStudy jams photosynthesis
http://studyjams.scholastic.com/http://studyjams.scholastic.com/studyjams/jams/science/plants/studyjams/jams/science/plants/photosynthesis.htmhttp://photosynthesis.htmhttp://studyjams.scholastic.com/studyjams/studyjams.scholastic.com/studyjams/jams/science/plants/jams/science/plants/photosynthesis.htmphotosynthesis.htm
PhotosynthesisPhotosynthesis
What is the equation for the chemical reaction of photosynthesis?
What is the equation for What is the equation for the chemical reaction of the chemical reaction of
photosynthesis?photosynthesis?
.
Six molecules of carbon dioxide react with six molecules of water to form 1
molecule of glucose and six molecules of oxygen.
What is Cellular What is Cellular Respiration?Respiration?
What is Cellular What is Cellular Respiration?Respiration?
Cellular Respiration-Cellular Respiration- The process The process that cells use oxygen to produce that cells use oxygen to produce energy from food. energy from food.
SUMMARYSUMMARY
Photosynthesis
GeneticsGenetics
A Punnet Square is A Punnet Square is a tool that can be a tool that can be used to show how used to show how traits (genes) will traits (genes) will
be passed on from be passed on from one generation to one generation to
the next.the next.
Big “Y” is dominant over little “y”Big “Y” is dominant over little “y”
Yellow PodYellow Pod Yellow PodYellow Pod
Green podGreen pod Yellow podYellow pod
GeneticsGeneticsGenotype vs. PhenotypeGenotype vs. Phenotype
Genotype-Genotype- The genetic makeup of The genetic makeup of an organism. an organism.
Phenotype-Phenotype- An organism’s An organism’s appearance.appearance.
(What the organism looks like)(What the organism looks like)
GeneticsGenetics
Here the relation between genotype and phenotype is illustrated, using a Punnett square, for the character of petal color in pea. The letters B and b represent genes for color and the pictures show the resultant flowers.
DNADNA
DNA-DNA- A double helix molecule that A double helix molecule that carries all the carries all the inheritedinherited characteristics of an organism. characteristics of an organism. – Your genes are found on your DNA.Your genes are found on your DNA.– Half your genes come from your mom, Half your genes come from your mom,
the other half come from your dad. the other half come from your dad.
The Structure of DNAThe Structure of DNA
The letters The letters represent a represent a structure called a structure called a base.base.
A = AdenineA = Adenine
T = ThymineT = Thymine
G = GuanineG = Guanine
C = Cytosine C = Cytosine
““At Goldies At Goldies Class”Class”
MutationsMutations
When DNA is copied incorrectly mutations occur!When DNA is copied incorrectly mutations occur!
Levels of OrganizationLevels of Organization
Organ SystemsOrgan Systems
Nervous System, respiratory system, Nervous System, respiratory system, circulatory system, reproductive circulatory system, reproductive systemsystem
Organ SystemsOrgan Systems
Circulatory Circulatory SystemSystem
Digestive SystemDigestive System
Abiotic vs. BioticAbiotic vs. Biotic
Abiotic-Abiotic- The non-living parts of the The non-living parts of the environment. (rocks, air, water, light, environment. (rocks, air, water, light, temperature)temperature)
Biotic-Biotic- The living factors in the The living factors in the environment, (plants, animals, environment, (plants, animals, bacteria, fungi)bacteria, fungi)
Abiotic vs. BioticAbiotic vs. Biotic
Recommended