I think it's the first one: the red fox that inhabits farmlands and forests has a red coat, but it's relative, the kit fox, lives in a desert has a sandy-colored coat
True. 100% true. Pollution is bad, and living things - even humans - can be effected in it in a negative way, so it's true
Yes all animals humans and bugs have hearts
In describing the energy transfer of trophic levels, energy is lost as we move up from a lower level to a higher level. This is because energy is used when for example a primary consumer does body processes before it is eaten by another consumer. hence the lowest trophic level belongs to those which <span>2) has the greatest biomass</span>
