If the type of the food Available changes then the frequency of big types will change because birds with peaks more suited to the available food will be more successful overtime

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.

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.

Which prefix mean under less or below