Answer:
Cell wall
only plant cells contain a cell wall
The temperature of the blocks is the dependent variable because it depends on the color of each block. (The black would probably be the hottest)
<span>In plant anatomy, sieve tube elements, also called sieve tube members, are a specialised type of elongated cell in the phloem tissue
of flowering plants. The ends of these cells are connected with other
sieve tube members, and together they constitute the sieve tube.
Hope this help!
</span>
<span>DNA is like a book because books contain information, such as DNA containing information, both have information that can be read and passed on</span>
