Download Science final vocabulary

Producers
Makes it own food.
EX: Plants, grass, trees
Consumers
Obtain energy by feeding on other organism
EX: deer and humans
decomposers
An organism that break down chemicals from
dead organism.
EX: Bacteria and fungi
Only eat plants
Ex: caterpillars, deer
Herbivores
carnivores
Only eat animals
Ex: lions, spiders
omnivores
Eats both animals and plants
EX: humans, cows
Predator/ prey
Predator- hunts and kills animals. Ex: shark
Prey- an animal predator feeds upon EX:
albatross
Relationship between 2 species in which one
species benefits
Ex: 709 oxpeckers and hippopotamus
Both species benefit
EX: saguaro and long-eared bat
commensalism
mutualism
parasitism
3rs type of symbiosis
organism living on or inside another organism
1st and 2nd level consumers
Energy pyramid- shows the amount of energy
from one feeding level to another
10% of energy is at level 1
pg 721-722
Is a series of event in which one organism eats
another and obtains energy.
EX: Pg 719
Food chains
Food web
consists of many overlapping food chains in an
ecosystem Ex: pg 720
Ecosystem
All living and nonliving things
Biotic
The living parts of the ecosystem
abiotic factors
The non-living part of the ecosystem
Digestive SystemMajor organs
breaks down food
Mouth, esophagus, liver, stomach,
gallbladder, pancreas, long intestine, small
intestine, rectum
Function
Breaks down food and than
Molecules are absorbed into the blood
peristalsis
Involuntary waves of muscle contraction.
Pg 521
Large intestine
As material moves through the large
intestine, water absorbed into the
bloodstream.
Recycles water/ water absorbed
Small intestine
Almost all chemical digestion and
absorption takes place
Villi
Finger-shaped structures
Absorb nutrients
Chemical digestion
Breakdown of complex molecules into
simpler ones.
Mechanical digestion
Foods are physically broken down into
smaller pieces.
Ex: taking a bite of an apple
Respiratory SystemMajor organs
moves O2 into the body and CO2 and water out of the body
Nose, Pharynx, larynx, trachea, bronchus,
lungs
Function
Moving O2 and CO2 into and out of the
body
trachea
Windpipe
Mucus & cilia
Find them in the nose and trachea
Mucus
Cleans and moistens
Cilia
The cilia sweep upward, moving mucus
towards the pharynx.
Base of the lungs
A large dome shape muscle
Contracts and moves downward
diaphragm
Circulatory system
Major structures in the heart
Arteries
TRANSPORT material around the body
Pace maker- located in right atrium
Right atrium- receives blood from the
body
Right ventricle- pumps oxygen-poor
blood to the lungs
Other side
Aorta- carries blood from left
ventricle to the body.
Left atrium- oxygen-rich blood moves
from the lungs into the left atrium.
Left ventricle- pumps oxygen-rich
blood to the body
Septum- separates left side of heart
from right side
Carries blood away from heart
Veins
Carries blood back to the heart
capillaries
Substance are exchanged between the
blood and body cells.
Heart
Hollow, muscular organ that pumps
blood throughout the body
Red blood cells
White blood cells
oxygen in the lungs that delivers it to
the body
Iron-containing protein that binds
chemically to oxygen molecules
Disease fighter
platelets
Forming blood clots
Hemoglobin
Excretory System
Major organs
Function
Nephrons
collects and removes waste
Kidney, ureter, Urinary bladder, Urethra
Remove waste
Everything gets taken out and the good stuff is put
back in.
Lungs
When you breath out, CO2 and water are removed
Skin
Perspiration