Igneous rocks are formed through the cooling of magma or lava.
The main types of rocks are: igneous, sedimentary, and metamorphic.
Answer:
The correct answer is a mantle.
Explanation:
A mantle refers to an essential component of the body of molluscs. It refers to a delicate covering produced from the body wall that at certain occasions get strengthened by calcium carbonate.
In various species of molluscs, the epidermis of the mantle discharges calcium carbonate and produces a shell over the entire body. The mantle encloses the stomach, heart, gonads, and intestines of the molluscs.
<h2>Answer is option "1"</h2>
Explanation:
- Infections are not plants, creatures, or microorganisms, however, they are the quintessential parasites of the living realms. Despite the fact that they may appear living organisms as a result of their gigantic regenerative capacities, infections are not living organisms in the exacting feeling of the word.
- Without a host cell, infections can't complete their life-continuing capacities or recreate. Infections can't produce or store vitality as adenosine triphosphate (ATP), however, need to determine their vitality, and all other metabolic capacities, from the host cell.
- Hence, the right answer is option 1 "viruses are not capable of metabolic activity on their own; they must have a host cell to reproduce."
The Bottleneck Effect occurs when there is a disaster of some sort that reduces a population to a small handful,Genetic drift<span> can cause big losses of </span>genetic variation for small populations, and A founder effect is an EVOLUTIONARY PROCESS THAT RESULTS FROM A FOUNDING EVENT. They are all similar because they all similar because they all <span>effect result in a small population with a subset of the genetic diversity of the original population. </span>