Dilation occurs when cell walls relax, and cell wall is the rigid structure that surrounds the plant cell. Given these facts, what happens before the rigid structure that surrounds the plant cell dilates among the following options: - It decreases - competition - air cools - relaxation - cracking - sweating - rapid expansion - It expands
relaxation

Friction causes the temperature of an object to increase, and friction in bearings causes an increase of the temperature inside the bearing. Given these facts, what increases the temperature of a bearing among the following options: - metal type - water - friction - Energy. - wind - speed - vaporization - energy
friction

Q: Phytoplankton are bacteria and algae that use sunlight to make food, and planktonic plants are called phytoplankton. Given these facts, what are bacteria and algae that use sunlight to make food among the following options: - birds - carnivorous organisms - Transfers energy - competing for resources - planktonic plants - By wind and rain - fish - Chemical energy
A: planktonic plants

Question: Macroevolution occurs over geologic time above the level of the species, and species is a property of genus, genus is a property of family, etc. Given these facts, what is considered to be part of macroevolution among the following options: - Man - genus - pollen - Birds - legumes - power - embryos - animals
Answer: genus

*Question*
Looking at bright objects has a negative impact on the eyes, and ultraviolet radiation damages the eye's lens and retina. Given these facts, looking at bright objects can damage what structure among the following options: - coral - chloroplasts - cells - Neuron. - photosynthesis - eyeglasses - the skin - retina
**Answer**
retina

(Question)
Adult echinoderms have radial symmetry, and starfish and sea urchins are also echinoderms. Given these facts, what has radial symmetry among the following options: - Most plants - an object - barnacles - Starfish - Trees - Cows - a prism - Coral
(Answer)
Starfish