Test

what best describes biology

the science of life

what is the primary purpose of homeostasis

to maintain a consistant internal environment

If nitrogen has 5 valence electrons how many is needed to complete the shell

three

What ability does the property of water have

Hydrogen bond

what does is mean when biological systems interact

biological organisms are interdependent

What causes cohesiveness between water molecules

hydrogen bonds

what dest defines natural selection

the process where nature. drives selection

how do isotopes differ from each other

number of neutrons

what type of molecule carries the hereditary information of an organism

DNA

what is the smallest chemical unit that retains the characteristic properties of a given element

atom

what are units of hereditary information

genes

what differentiates dna from rna

rna has an oh and 3 carbon of the ribose sugar

the result of reproduction

two sex cells combine to form a fertilized cell

specific heat

The amount of energy required to raise the temperature of 1 gram of a substance by 1 degree celcius

what best describes an atom

a substance that can't be broken down into a smaller substance

what makes an element inert

if it has 8 electrons in the outer most shell

what In living organisms, chemical reactions responsible for growth, repair, and nutrition are collectively known for referred to as

metabolism

what molecules make up dna

nucleotides

how can a particular element be identified

number of protons

which process is most directly associated with the theory of evolution

populations changing over time

which stimulus most directly causes a Venus flytrap to catch an insect

touch