Advanced Higher Biology Unit 2 Crossword

example of genetic drift caused by a small number of individuals becoming isolated from a larger population/
The ration between the number of individuals of a particular phenotype after selection compared to those before selection
Symbiotic relationship where only one organism benefits from the relationship
A hypothesis which states that in a co-evolutionary relationship changes in the traits of one species can act as a selection pressure on the other
Form of vegetative cloning in potatoes
Successful asexual reproductive strategy in animals where a female gamete develops without being fertilised
Division of the nucleus that results in the formation of haploid gametes from diploid gametocytes
Area of homologous chromosome where crossing over has taken places
Gene when determines the development of males characteristics on the Y chromosome
The random inactivation of an X chromosome in homogametic females avoids this potentiall harmful effect in cells
A species that have both functioning male and female reproductive organs in each individuals
A mating system in animals where one female mates with a number of males in the same breeding season
The mating of a pair of animals to the exclusion of all others
A species-specific stimuli brings about what type of response in animals?
A communal area in which two or more males perform courtship displays
The type of competition which means an organisms realised niche is usually smaller than its fundamental niche
When two organisms niches are so similar that one declines to local extinction is known as competitive ______________
When the realised niches of two potential competitors are sufficiently different they can co-exist by...
The term that describes an organism which lack structures and organisms found in most organisms
A parasite that feeds on the external surface of a host
Something which transfers parasites from host to host
Term that describes the harm caused to a host species by a parasite
The study of outbreak and spread of infectious disease