HELP!! DUE IN 30 min! What causes a new trait to appear in an organism? 1.) all of an organisms DNA changes due to exposure to an event (this is a genetic mutation). 2.) a genetic mutation occurs in the sperm or egg cell of an organism and that mutation is passed to the offspring. 3.) an organism realizes that it needs to change and adapt to to its environment otherwise it will not survive. 4.) an organism learns from other species on ways that it can better survive in its environment.

What statements describe a host organism?

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.

Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.