During breeding season, the sight of a red belly on a male stickleback fish will trigger an antagonistic response in other males. This is an example of

fixed action pattern

Explanation:

This is an example of a fixed action pattern. This is an ethological term that describes an instinctive behavior sequence that is highly stereotyped and species-characteristic due to it happening in the same manner countless times in a predictable cycle. These fixed action patterns are innate mechanisms triggered by a specific stimulus or releaser, which in this scenario is the sight of a red belly.

hello there,

guys i’m confused.

which rock will weather faster?

answer: b rock

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

: -)