Cell - Egg Cell
Tissue - Muscle tissue
Organ - Lung
Organ system - Respiratory system
Organism - Dog
Explanation:
Absolute dating relies on radioactive elements, which are unstable elements that release energy as they break down.
Answer:
B is the right answer .....
3.9-2.6=1.3
now to find the percentage :
1.3/3.9×100 = 33.33%
hope it helps....
I think the answer is the last one; Flame bulb; flat worm.
A flame bulb or a flame cell is a specialized excretory cell found in the simplest fresh water invertebrates, including flatworms, rotifers and nemerteans; these are the simplest animals to have a dedicated excretory system. Bundles of flame cells are called Protonephridia.
