All of the following statements are true. Decide which of the examples of molecular biology give evidence for evolution. Check a
ll of the boxes that apply. 1 HOX genes are very similar in all animals.
2 Bug wings and bat wings are both used for flying.
3 Many species share much the same DNA.
4 Plant and animal cells have almost all of the same structures.
4 Plant and animal cells have almost all of the same structures.
Explanation:
Evolution corresponds to the process of modification and adaptation of species over time. The current diversity and genetic similarity of living beings is the result of processes of transformation and adaptation of species to various environments, constituting biological evolution. As evidence of this evolution, we can mention:
HOX genes are very similar in all animals: Hox genes encode transcription factors that define cellular identities along the major and minor axes of the body. Its coordinated expression in space and time is fundamental for embryonic modeling. These genes control the development and positional differentiation of cells in the embryo, and their disposition along the chromosome collinear to the parts of the embryo they will regulate. They are present in many different animals representing a huge source of evolutionary change.
Many species share much the same DNA: All living things have DNA molecules that encode all genetic information. Among living things there are similarities and sharing of parts of DNA. This is strong evidence of species evolution. An example of this is the similarity between humans and chimpanzees.
Plant and animal cells have almost all of the same structures: Although there are some differences, plant and animal cells share almost all cell structures. This is a strong indication of how life has evolved on our planet.
Due to the geographic isolation experienced by these population of finches, they therefore developed beaks adapted to the food source available to them dude to natural selection. Thus the successful finches had the useful beach needed for their survival on the various highland and then reproduced among themselves fixing that adaptation thus giving rise to difference populations of finches long on the various islands of the galapagos.
Between the upper and lower epidermis of a leave, you can find the so called mesophyll tissue which is rich in chloroplasts. There are two types of mesophyll tissue: the palisade and the spongy mesophyll. Whereas the cells of the palisade mesophyll are tightly packed, the cells of the spongy mesophyll are loosely packed.
<span>1. The resources that are used by an organism 2. The abiotic factors that restrict how it can survive 3. The biotic relationships that it has with other species.</span>
