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7th science 3 (9W)

Ch. 1-4 (nine weeks exam)

Pollination is the transfer of pollen from anther to stigma
which plant family characteristically has flower heads consisting of disk and ray flowers composite family
What is the largest section of the brain cerebrum
a completely illegal drug derived from the opium poppy heroin
what is the most powerful natural stimulant cocaine
what type of symmetry does a living thing that can be cut in equal halves in only one direction have bilateral
what is a group of cells that are designed to work together as a unit tissue
what is the thin, sticky film of bacteria that forms on teeth called plaque
most people in their early teen years need at least ?? hours of sleep each night 8
What term refers to a disease that someone is born with congenital
What is the maximum number of variables in a properly designed experiment one
The stalk that attaches a leaf to a stem is called a petiole
on what organ does alcohol have its most noticeable effect brain
scattering of seeds by animals, wing or water agent dispersal
how can a Christian best learn about who God is and what He expects Bible reading
which plant family helps restore nitrogen to the soil pea
which group of drugs includes alcohol depressants
what is the layer of dead skin at the base of a nail called cuticle
which of the following is a hallucinogen marijuana
what gland controls other glands pituitary
the drug found in tobacco is nicotine
what term refers to the enlargement of muscles due to exercise hypertrophy
name the vessels in plants that carry water and nutrients upward xylem
what does SPF stand for sun protection factor
what white or black mounds occur when sebaceous glands become clogged pimples
what is a scientific idea that has survived many experiments and observations without ever being proven false law
which hard substance covers the crown of your teeth enamel
which type of gland helps keep the body cool sweat gland
what condition occurs when someone does not get proper nutrition because of a poor diet malnutrition
mineral needed for the transport of oxygen in the blood iron
helps muscles move correctly and maintains water balance potassium
group of nutrients that includes both sugars and polysaccharides carbohydrates
nutrient essential for normal growth, good eyesight and healthy skin vitamin A
indigestible polysaccharide fiber
group of essential nutrients made of amino acids proteins
group the includes fats lipids
promotes strong bones calcium
the surroundings of an organism or group of organisms are known as their environment
the scientific method was developed by Bacon
the type of exercise that strengthens the heart and lungs and burns fat is aerobic
flowering plants are referred to as angiosperms
plants that have 2 growing seasons are referred to as biennials
the large blood vessels that carry blood away from the heart arteries
occurs when the coronary arteries become blocked heart attack
the disease caused by HIV AIDS
the most common disease affecting the immune system allergy
a disease in which the air sacs in the lungs collapse emphysema
abnormal cells growing extremely quickly cancer
the buildup of fatty deposits in arteries atherosclerosis
the process by which malignant tumors spread to other parts of the body metastasis
a disease most commonly found in those who reject biblical moral standards AIDS
a usually mild infection caused by a virus common cold
a sensible explanation to a scientific problem is a hypothesis
vegetable oils usually contain unsaturated fats
flower ovaries develop into structures called fruits
a strong feeling expressed in a physical was is a emotion
the scientific name for tooth decay dental caries
a person needs the equivalent of at least ??? glasses of water a day 6
the products of photosynthesis are water glucose oxygen
the largest internal organ of the body is the liver
The air sacs in the lungs are called alveoli
controls the other body systems nervous
removes liquid wastes urinary
transports nutrients and other materials cardiovascular
supports the body skeletal
covers and protects the body integumentary
breaks down food into a form that can be absorbed digestive
provides oxygen and removes carbon dioxide respiratory
Created by: Harrison83