Exam 1 Flashcards
A complex individual that consist of organ systems is known as
organism
All organisms are composed of multiple cells
False
All ecosystems on the planet together are called
biosphere
Which of the following statements is most correctly defines homeostasis
Cells and organisms must be abe to maintain a fairly constant internal environment
The region in which population interact with each other and with the physical environment
ecosystem
The face of a flower turns to follow the sun as it moves across the sky
response to stimuli
not a basic characacteristic of living things
contain a nucleus and organelles
The developement of resistance of MRSA bacteria to antibiotics
evolution
Correct order of complexity/organization
cells/tissues/organs/organ systems/organism
Humans clear forest to grow crops
how humans interfere with the biosphere
not basic theory of biology
gravity
Protons equal to
electrons
elements occur naturally
92
atomic number equals
protons
Carbon dating is common method…neutrons does c14 have
8
Isotopes have different number of
neutrons
radiation positive and negative effects
True
Atoms that share electrons
Covalent
bond responsible for holding water molecules
hydrogen
Hydrogen bonds
weak and broken easily
an acid solution
number of H+ id greater that OH-
Joining small molecules together to form longer chains
dehydration reaction
Not one of the four classes of organic molecules
vitamins
After lunch will use dehydration to break food down
False
