Baumann's Big Science Questions Question Preview (ID: 48410)


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Heredity is
a) genetic material (DNA) passed from generation to generation
b) the storage of food, water and waste
c) light energy being transformed to chemical energy
d) using energy and excreting wastes

Shivering warms the body. Sweat (perspiration)
a) cools the body's temperature
b) warms the body's temperature
c) increases your heart rate
d) causes heavy breathing

Which results in offspring different from parent cells (not an identical clone)
a) a sperm cell fertilizing an egg cell
b) any cell splitting/dividing
c) hydra budding asexually
d) skin cells dividing to repair a cut in skin

All cells use energy and excrete waste. Mitochondria use oxygen and excrete CO2 during
a) a chemical change: chemical energy becomes thermal and mechanical energy
b) a physical change that releases body waste making cells smaller
c) the chemical change of photosynthesis: light/radiant energy into chemical energy/food
d) a chemical change: thermal energy becomes nuclear and radiant/light energy

Nutrients (food), waste and other materials are all transported through the body by the
a) circulatory (cardiovascular) system
b) excretory system
c) respiratory system
d) digestive system

Uses light energy to make food for a plant (chemical change)
a) chloroplast
b) pre-existing cell
c) vacuole
d) organ system

structure means part, function means
a) job
b) color
c) reproduction
d) type or kind

Vacuoles in a cell
a) store water, food and waste
b) release energy from food
c) photosynthesize
d) control reproduction

Main function of respiratory system
a) exchanges oxygen and carbon dioxide
b) produces oxygen
c) excretes waste
d) movement

Xylem is a tissue in plants that
a) transports water
b) transport food (glucose sugar)
c) absorbs carbon dioxide
d) releases oxygen

Cells are the least complex level of organization, and cells come from
a) pre-existing cells, by cell division
b) water
c) spontaneous generation (just appear)
d) germs

Least complex level of organization in humans
a) cell
b) tissue
c) organ
d) organ system

Chromosomes are sometimes x-shaped, with stripes called genes that
a) determine inherited traits
b) control body temperature
c) transform chemical energy to mechanical and thermal energy
d) use energy and excrete wastes

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