early study of evolution
what is species
a group of similar organsims
what is mechanism
is the natural process by which something takes place
what is fitness
describes how well it can survive and reproduce in its enviroment
what is embryo
young organusm that develops from a fertilized egg
what is protein
carry out important cellular functions
what fossil in on page 419
armodillo
farmers breed and care for animals with certain ____
genetic traits that humans disire
A measure of an individual's fitness is its abilit to survive and
reproduce
when did earth first from
4.5 billon years ago
what have scientist also found out about gene transfer between species
gene can go from individuals from diffrent species
what type of birds did Darwin find his Jerney around the world
flinches
Is there over 200 city of naples on the beach?
no there is 148 total nests and 14 hatched nests
Mustaitions are not the only source of new ___ in a population
alleles
what types of fossils are there
body and trace fossils
what are the 4 things that cells have
mosquitoes,husmans,plants, and bacteria
who is Mary Anning
a person who dicovers fossils
only triats controlled by genes can be acted _______
upon by natural selection
How are mutations helpful and harmful
helpful when they provide an advantage for servial
harmful when they cause disease
A structure of an organism boyd is ___
called anatomy
small changes in gentic material lead to _____
mucrievilution within species
what are all the places they stop on there trip around the world?
callao lima,vapparaiso,montevideo,rio de janeiro, bahia,playmouth,cape town, sydney,hobart
what can the chnge in enviroment affect?
it will affect an organism ability to surevive and many therefore lead trees in a forest
how can two species compete for the same resources?
when their shared habitat has a limited supply of essentials like food, water, light, or territory
similar structures that related species have
inherited from a common ancestor are know as homologous structures
what are the two species that have 93% of the same DNA
human and monkeys