Insects live under rocks. Hope this helps!!
I told you the answer to #6 in your first question you asked.
11. During a full moon the sun would be just about overhead and the Earth would be mostly in the moons shadow.
When a gun is fired at a distance not more than 18 inches away a powder tattoo is created on the skin or on the fabric of the victim. The burning powder is incorporated into the material. Oftentimes, investigators located powder tattoos to find the entry wound.

Last option: Preserve an ecosystem

• The establishment of a bird reservation is a way to preserve an ecosystem because reservation provides suitable environment to organism. A healthy ecosystem means large number of biodiversity.
Answer:
A scale or ruler is placed next to the bloodstain to provide accurate measurement and photos are taken from every angle. Video and sketches of the scene and the blood stains is often used to provide perspective and further documentation. This is commonly done even if stained materials or objects are collected intact.
Explanation: