Vocab
section of DNA that has genetic information for 1 trait
gene
camouflage
A slight difference in inherited traits among individual members of a species
variation
passing of traits from generation to generation
inheritance
unchanged throughout an organisms life
genotype
genotype
A trait that helps a species survive in its environment
means without definite aim, rule, or method
random
distinguishing characteristic of an organism
trait
Phenotypes results from the interactions of an organism's genes in it's ____________.
environment
permanent change in the sequence of DNA in a gene
mutation
ie: functional, behavioral, structural
functional
all the members of a species living in a given area
population
Variations occur through
mutations
Human egg and sperm cells contain how many chromosomes
23
how a trait appears or is expressed
phenotype
A type of adaptation that is a behavior or action
behavioral
The selection and breeding of organisms that have desired traits is _______
selective breeding
What is an example of an inherited trait AND an acquired trait?
inherited- hair color, eye color, shape of nose, height
acquired- writing skill, loss of limb
Adaptation in which one species looks like another species
mimicry
chromosomes in egg and sperm cells divide
A type of adaptation that is a physical trait
structural
The ability of an organism to keep its internal conditions within certain limits
homeostasis
What is the difference between an inherited trait and an acquired trait?
An inherited trait is a trait that you are born with and an acquired traits is something that happens throughout your life.
3 main categories of adaptations
structural, behavioral, functional