It has four heart chambers, just like birds and mammals.
When people used stone tools,
The in-between period of time when the first man appeared and when man developed a writing system. Or the period of time before man became literate.
Answer: Grass and leaves contains cellulose. Herbivores that feed on them lacks the enzymes required to break down cellulose.
However they possess multi chambered stomachs and they have a symbiotic relationship with micro organisms that live within the stomach.they micro organisms ,such as bacteria,helps to break down the cellulose into the form that the animal can absorb
The answer is “the sun exerts gravitational force onto the planets” hope this helps you :)
Answer:
El campo de la genética implica el estudio de genes, segmentos de ADN que codifican rasgos, comportamientos u otras características específicas de los organismos.
Explanation:lo que dice ahi neta que si