The way a particular species of bird constructs its nest is an example of . A. A fixed action pattern behavior
B. A learned behavior
C. An evolutionary behavior
D. An external stimulus

The asian shore crab (hemigrapsus sanguineus) is an invasive species that has impacted the atlantic coast. predict what characteristic of this invader would most likely disrupt the biodiversity of this area.

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

Why is earth's outer core hotter than earth’s oceanic crust? earth’s oceanic crust is denser than earth’s outer core is. earth’s oceanic crust has lava flowing from the mantle. earth’s outer core has a composition of solid iron and nickel. earth’s outer core is deeper within earth than oceanic crust is.