Based on the pyramid, which organism(s) provide the most available energy?

a) predator fish
b) birds and mammals
c) insects and zooplankton
d) phytoplankton and bacteria

Which statement best explains how cellular respiration maintain homeostasis in animals? it maintains body temperature by absorbing energy. it breaks glucose into energy required by the organism. it speeds up metabolism by making oxygen. it produces energy from hormones present in the organism.

According to this food web which of the following would be considered primary consumers

Which gas found in the earth's atmosphere greatly impacts the daily range of temperature on earth. a) oxygen b) hydrogen c) nitrogen d) water vapor