The answer is A. photoperiodism.
Photoperiodism is an organism reaction to the lengths of days and nights. Some plants require longer days, and some require shorter days. By changing the lengths of days and nights, commercial plant growers are able to increase plants productivity.
Tropism is plant growth in a response to a stimulus.
As it name suggests, <em>photo</em>tropism is plant growth in a response to light.
<em>Gravi</em>tropism is plant growth in a response to gravity.
Thigmotropism is plant growth in a response to contact
The answer would be "plant-like protists". These protists make their energy on sunlight. This would make them a protist and a plant-like cell.
The best definition of the texture of soil would be: Rough and damp
Answer:
they are moving by passive transport