Xylem tissue is composed of vessel cells and tracheids. Vessel cells lack end walls and join to form long tubes. Tracheids are slender cells with over lapping ends. This structure enables it to give support to the tree as well as moves water to aerial parts.
Answer:
Explanation:
Carrying capacity determines maximum populations size.
They did it to get more detailed pictures of space
Does not have a distinct nucleus
bacteria has a strand of DNA/RNA called plasmid
