It’s the 4th answer, trust me.
Answer:
Orchids have some unique features which help them in the evolutionary race. They produce masses of pollen (which improves the chances of pollination), very light seeds (which makes them easier to spread) and can grow on other plants using them to support their own growth.
The options that are incorrect are A) representation of a complete set of a cell's polypeptides, B) the complete set of an organism's polypeptides, C) the complete set of a species' polypeptides, and D) karyotype, which makes E) the complete set of an organism's genes the correct answer to what defines a genome.
The urinary bladder is the hollow muscular organ that stores urine.
Answer:
Mammals have stronger more stable jaws because of the single bone structure.
Relatively larger brains require a high metabolic rate.
Internal heating allows mammals to remain quick and active in cold climates.
No eggs. Mammals have well-developed offspring that they can keep it safe inside their body until the time it is ready to be in the outside world.
Four legs under the body. It allows mammals to be highly developed when it comes to speed.
Fur. It protects the mammals’ skin.
(Pick whichever ones you like best!)