Based on the video, do you think changes to the environment could still affect living things on Earth today? Explain your answer using information from the video to support your argument.

Choose the molecule that is described by each phrase. energy used during long activities:

Which of the following is one of the four conditions necessary for natural selection to occur in a population? fewer organisms are born than the habitat can support mutation does not occur organisms have identical characteristics variation is inherited

In which way are mercury and venus similar? they both rotate from east to west. they are both small and rocky. they both have thick atmospheres. they both are similar to earth in structure.