Fossils of snakes with hind limbs but no forelimbs have been discovered. which of the following conclusions is best supported by this fossil evidence? a snakes are likely to evolve limbs in the future. b snakes are well adapted to live on land without limbs. c snakes have evolved from an ancestral reptile with limbs. d snakes are poor competitors compared to reptiles with limbs.

C

The fossil was not of a snake but rather an ancestor of the snakes. The ancestor had short hind legs and gradually, over time, lost them to suit its needs in its particular environment.

hey bro i looked it up on google the structure of the eye-spot in euglena viridie, e. ehrenbergii, and phacus pyriyorme is not as franzé haa described it. the so-called “crystal body” and “lens bodies” were not found in any of the individuals of the species examined by me. as earlier observers have stated, the eye-spot consists simply of a mass of pigment granules arranged in a single layer, and probably embedded in a protoplasmic framework, but the latter could not be seen, and its presence was only inferred from the fact that the pigment granules must be held together in some way, thd the eye-spot as a whole is capable of expansion, and that the pigment granules can be separated from each other.

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