(50 points and brainliest)
two male birds of the same species competing for mates in the same area is which type of competition?

question 1 options:

nonspecific

intraspecific

none of the above

interspecific

Intraspecific competition

Explanation:

Intraspecific competition occurs between members of the same species. For example, two male birds of the same species might compete for mates in the same area.

this protocol provides a detailed procedure for co-immunoprecipitation (co-ip) to identify protein–protein interactions.

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.