Well the stretchability relates to bubble size because the strechier the gum is the bigger bubble it will be able to make.
Answer:
d. secondary endosymbiosis.
Explanation:
- When a living cell acquires another organism that eventually becomes a part of this cell, this process is known as primary endosymbiosis.
- When an organism that has already undergone primary endosymbiosis engulfs another eukaryotic organism then this process is known as secondary endosymbiosis.
- Secondary endosymbiosis has been known to occur in plastids because of which they are surrounded by two membranes. This bilayer is present because one of the layers is the original outer membrane of the organism and the other membrane is that of the organism that has been engulfed.
Answer: d. return leaked fluids back to the cardiovascular system.
Explanation:
The lymphatic system is a web of vessels and tissues that transfers clear fluid that is called as the lymph. The lymphatic system spreads all over the body and filters and clean up the lymph, abnormal cells and pathogens. The filters traps the foreign particles from the blood. It also promotes the filtered fluid to reach back to the cardiovascular system and distribute to all the parts of the body in the form of blood.
Plantae, because it is a kingdom of multicellular photosynthetic autotrophs that have cell walls containing cellulose