<span>There are many indicators for predator presence. Some of them are:
Being able to spot predator marks like scratches or fur.
Being able to feel predator movements.
</span><span>Echo-location </span>For example, moths respond to the echo-location calls from their bat predators; moths drop to the ground once they hear the sound pulse from the bat.
<span> D. energy storing
Photosynthesis uses energy from the sun to synthesize carbon-based molecules, that will serve as the energy for plants.</span>
Proximal convoluted tubules (PCT)
Proximal
convoluted tubules (PCT) are first part of the renal tubule that extends from
the Bowman’s capsule to the descending arm of the thin loop of the Henle. PCT
is made up of cells that contain many mitochondria that produce ATP for the
energy –intensive resorptive processes.
Answer:
All biological functions depend on events that occur at the molecular level. These events are directed, modulated, or detected by complex biological machines, which are themselves large molecules or clusters of molecules. Included are proteins, nucleic acids, carbohydrates, lipids, and complexes of them.
Hey there,
Earth radius: 6371 km
"Actual" depth = 6371 x 0.01 / 20 = 3.2 km
Hope this answered your question,
<h2>- <em> Mr. Helpful</em></h2>