The Fossil record is the history of life as documented by fossils, the remains or imprints of the organisms from earlier geological periods preserved in sedimentary rock.
If a tone causes a dog to salivate because it has been associated with the presentation of food, the salivation to the tone is called a <span>conditioned stimulus.
This is because the stimulus of the salivation is associated with the presence of food, thus, food is the condition for this stimulus.</span>
Alaska, texas, california, and the gulf of mexico
The following are the true statements about seeds;
seeds allow for dormancy until favorable conditions arise -
seeds can resist conditions that would kill a live plant – (such as fire in the case the seed has a hard testa (seed coat))
seeds are key to the wide dispersal of offspring