1 hormones
2 external stimuli
Answer:
A landform is a feature on the Earth's surface that is part of the terrain. Tectonic plate movement under the Earth can create landforms by pushing up mountains and hills. Erosion by water and wind can wear down land and create landforms like valleys and canyons.
Arthropods were the first animals to successfully invade land from the sea
Prediction because you are making a educated guess on what the answer will be