it is D on my point of veiw..
For an animal to be extinct none more of that specific species must exist on Earth. This makes it impossible for that species to come back to life.
Have a lot of mitochondria so that more respiration providing muscles with more energy for muscle contraction
Hope it’s useful
Angiosperms have flowers. The flowers are special structures for reproduction. They contain male parts that make pollen and female parts that contain ovules. Some plants have these male and female parts in different flowers.F