The slide of stages in starfish development illustrates stages from unfertilized egg to gastrula—typical of echinoderms and chordates that have very little yolk in the egg. Three embryonic cell layers—ectoderm, endoderm, and mesoderm—are established. All adult tissues are derived from these layers.
Answer:
D
Explanation:
Igneous rock is found in magma chambers most commonly
<span>Bilbo has really become an expert burglar by this point and he has claimed for ... Thorin does not become a villain but his character degenerates into greed ... various groups advance towards the mountain‹for there is treasure to be had. ... the effect of dramatic irony, for we know precisely what will happen.</span>
The impact of a person or community on the environment, expressed as the amount of land required to sustain their use of natural resources. That is for the first question
Answer:
Explanation:
A build up of plaque in the lining of an artery.Plaque is made up of fat, cholesterol, calcium, and other substances found in the blood. Over time, plaque hardens and narrows your arteries
