The serous fluid within the pericardial cavity works to lubricate the membranes of the serous pericardium. It is the space between the layers of the pericardium.
<h3>What is the pericardial cavity?</h3>
The pericardial cavity refers to the space between different layers of the pericardium in the heart.
The pericardium is one of the three tissues that form the heart (i.e., pericardium, myocardium, and endocardium).
The pericardial cavity is composed of a serous fluid capable of reducing surface tension and lubricating this layer.
Learn more about the pericardial cavity here:
brainly.com/question/2833911
Answer:
Mold fossils A fossilized impression made in the substrate; a negative image of the organism.
Cast fossils Formed when a mold is filled in.
Trace fossils or Ichnofossils Fossilized nests, gastroliths, burrows, footprints, etc.
True form fossils Fossils of the actual animal or animal part.
Answer:
Biodiversity is a major factor in terrestrial regions. true
Cold, hot, wet and dry are factors that contribute to climate
false
Cloud cover, precipitation and deserts are elements that contribute to weather
True
Trade winds blow easterly and northern
True
Yes, beetles can adapt to almost any environment. they are usually found where they eat, and some species help get rid of garbage, dead plants and even help pollenate flowers. however red beetles feed off of lily’s(i think?), so they feed off of those flowers and if you see them your lilies may be at risk.
