The correct answer is d. 3.5 billion years.
Prokaryotes were the first forms of life on Earth long before simple multicellular life appeared because of their ability to withstand extreme conditions. It is believed that the first living forms were bacteria combined with archaea in the microbial mat (multi-layered sheet).
Answer:
Producers
Explanation:
they get their energy directly from sunlight and inorganic nutrients.
<span>crushing a can.
melting an ice cube.
boiling water.
mixing sand and water.
breaking a glass.dissolving sugar and water
.shredding paper.
<span>chopping wood.</span></span>
Answer:
The correct answer is glands.
Explanation:
It is known that brain monitors movement, therefore, one can definitely correlate movement of muscles with the brain that comprises the role of sensory and motor neurons. When a stimulus is obtained by the sensory organs, it is transmitted by the sensory neuron to the brain and from their information is further conducted to the effector organs like muscles by the motor neuron. The glands are the group of cells, which takes part in the secretions when instigated by any particular hormone.
