I think all of them are,polar bears have fur, penguins are suited for water and land, etc
It can change multiple times depending on the studying being shown
Answer:
The anemone they live in allows them (because of how there structure of their body is made) to live in it and any intruders will get ZAPPED by the anemone. Think of the movie Finding Nemo. ;) Please vote Brainliest!
Explanation:
The horse and donkey, though closely related by sharing a common ancestor, are different species. They have different number of chromosomes hence pairing of homologous chromosomes during fusion of gametes becomes complicated. The mule will have an extra chromosome from the horse hence will have abnormalities such as sterility. A Mule is unable to reproduce due to this same phenomenon. Homologous chromosomes are not well paired for meiosis I.
A way we can reduce disadvantages of human made materials is simply by finding new uses for them such as when plastic is molded and used for a container of a liquid.