Natural selection is the process where organisms that are best suited to their environment survive and pass on their genetic traits in increasing number to successive generations. At the same time, organisms that are less adapted fail to survive or multiply at a lower rate, and tend to be eliminated from the ecosystem.
Coral reefs have a symbiotic relationship with algae. Because of human activity, the ocean is absorbing high levels of carbon dioxide, which causes an increase in ocean temperature. <span>Due to these unfavorable conditions, corals expel algae, leading to bleaching. If corals go too long without algae, the corals will die. </span>
The best approach for Tyler is a controlled experiment if he wants to directly observe the outcome.
A controlled experiment is designed to minimize the effects of the variables other than the independent variable. A controlled experiment allows reliable results because he can do the experiment specific to the problem and variables involved.
The statement is - True.
The Tasmanian tiger went extinct because of the extensive hunting by the new settlers. People were killing the Tasmanian tiger because they thought that it is the animal responsible for the killing of the livestock, but at the end it turned out that they made a huge mistake and that actually the feral dogs and the dingo were the ones responsible for that. The last Tasmanian tiger was a female and died in captivity under very bad conditions.
Even though people use the term Tasmanian tiger (because of the stripes) and Tasmanian wolf (because of the dog-like face), it is an animal that is not related with neither the cats nor the dogs, but instead it is a marsupial, the biggest marsupial carnivore in the recent history, and its real name is Thylacine.
Answer:
Following are the evidences that support human evolution by natural selection:
i) Biogeography
ii)The fossil record
iii) Molecular Biology
Explanation:
i) Biogeography: it was the geographical distribution of species that was first suggested the idea of evolution to Darwin.
ii) The fossil Record: The succession of fossil forms is strong evidence in a favor of evolution. It provides a visual record in a complete series showing the evolution of an organism.
iii) Molecular biology: Evolutionary relationships among species are reflected in their DNA and proteins, in their genes and gene products.
