Answer:
b many ogansisms have become exinct
Explanation:
<span>Active transport is the movement of molecules across a cell membrane from a region of their lower concentration to a region of their higher concentration—in the direction against some gradient or other obstructing factor (often a concentration gradient).</span>
Answer:
<em><u>This is the only phylum of the animal subkingdom Parazoa and represents the least evolutionarily advanced group of the animal kingdom. ... Sponges are the only animals that lack tissues with mass of cell embedded in gelatinous matrix.</u></em>
Answer:
Persepolis and Susa, which replaced Pasargadae as capital of the Persian empire
Explanation:
Some examples would be slate, phyllite, and gneiss.
