What are some of the specialized cells found in vertebrate animals

Describe pasteur’s results and how they disprove spontaneous generation.

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules