Ci es| Ques ons and answers | Updated
Evolu on
What is the fundamental principle of all biology?
Uniformitarianism
Forces observed today act the same way as they did in the past
Superposi on
Younger rocks deposited above older rocks
Ar ficial selec on
The picking out of individuals with any desired quality and breeding from them
Natural selec on
What is the primary mechanism of evolu onary change?
Natural selec on 4 hypotheses
1) more individuals are born that can survive/reproduce 2) Individuals vary in most traits
3)Individuals with certain traits are more likely to survive and reproduce 4) Varia on is at least
partly heritable
Lamarkian evolu on
Structures change over an individuals life me and pass on those acquired characters to
descendants - INCORRECT
Darwinian evolu on
Inheritance of pre-exis ng characters, change over genera ons in the propor on of individuals
in a popula on that possess a heritable trait
Charles Lyell
Who said that forces molding the planet have operated con nuously throughout history?
Thomas Malthus
Who said there is a limit to how many living things can survive?
, Alfred Russell Wallace
Who said that every species came from a related, pre-exis ng species?
DNA
Deoxyribonucleic acid, informa on storage molecule made up of nucleo des
Nucleo des
Phosphate, sugar, and nitrogenous base
Nitrogenous bases
(AGCT) varia on in DNA< can appear in any order along strand
RNA
(GUAC) Ribonucleic acid, assists with synthesis of proteins
Messenger RNA (mRNA)
Made in transcrip on, codes for proteins in transla on
Transfer RNA (tRNA)
Moves amino acids into place in transla on
Ribosomal RNA (rRNA)
Physical machinery, holds amino acid in place
DNA replica on
Forma on of 2 iden cal double stranded DNA molecules from 1 copy
Transcrip on
DNA to mRNA (AGCT - GUAC)
Transla on
RNA to proteins
Introns
Coding regions that are removed in transla on
Exons
Non-coding regions that are spliced together in transla on