the answer is the beetle is neither harmed nor helped by the mite.
The speed of the cross country runner is equal to 4 km/min.
<u>Given the following data:</u>
To determine the speed of the cross country runner:
Speed can be defined as the distance covered by an individual per unit time and it can be measured in kilometer per minutes (km/min).
Mathematically, speed is given by the formula;

Substituting the given parameters into the formula, we have;

Speed = 4 km/min.
Read more: brainly.com/question/13102821
When a neuron is at rest, ................................. of POTASSIUM IONS inside the cell relative to the outside.
When a neuron is resting, the concentration of sodium ions outside the cell is very high compare to the inside of the cell while the inside of the cell has high concentration of potassium compares to outside of the cell.
food chain. it tells how different organism feed on in a linear way. if we mix more than 2 food chains it will become food web.