A cross-sectional view of a log shows a concentric pattern. Which part of the stem gives rise to this pattern?
B. Xylem
as it contribute for most of a tree's growth in diameter.
Answer:
d. Gemmulation involves providing a resistant layer of cells for a capsule; fragmentation is merely breaking off chunks of tissue to grow a new organism
Explanation:
Gemmulation and fragmentation are both a type of asexual reproduction. Gemmulation starts when mass of cell which is produced asexually that are capable of producing a new organism.
These mass of cells gets surrounded by a protective covering which provide a resistant layer of cell and the structure is called gemmule.
In fragmentation, the parent body part breaks from the whole body and gives rise to a new organism. For example in planaria. So the correct answer is d.
Plasmids, they are mostly found in bacterial cells and they r the cause of antibiotic resistance in bacteries :)
What are the choices? But Carbohydrates are the main component of fruit and vegetables.
<span>_polytechnic__________ refers to traits that are affected by many genes, and __mulitifractorial_________ refers to traits that are influenced by many factors.</span>