Around 40% of cats with white fur and blue eyes are deaf. the gene responsible is pleiotropic. what does this mean?

What is the correct trna sequence that would match the following mrna sequence.gcgaua

Identify characteristics of energy from the sun. check all that apply. almost all of the energy on earth comes from the sun. energy from the sun is known as mechanical energy. the energy in fossil fuels originally came from the sun. plants convert the energy of sunlight into chemical energy.

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?