Th answer is D. They all help for how earth formed in climates.
Answer:
Peces, excretan amoniaco
aves, acido urico
mamiferos, Urea
Explanation:
Como son especies diferentes, cada una tiene un aparato excretor distinto, su ciclo biológico y su medio ambiente hacen que se presenten estas diferencias.
Biologists say that living things are organized as living things contain specialized and coordinated parts.All living organisms are made up of one or more cells, which are considered the fundamental units of life.The individual organisms can be organized into the following levels:
cells, tissues, organs, organ system and organisms.
D, is the Answer hhfthvvvbh
Answer:
The two common steam-sterilizing temperatures are 121°C (250°F) and 132°C (270°F). These temperatures (and other high temperatures)830 must be maintained for a minimal time to kill microorganisms.