Infectious agents are those that corrupt and prey on an organism or a host. This is sometimes called parasitism when a foreign organism consumes a host by preying on its nutrients and food. Hence, we are uncertain in Anna's case because there is no clear description of her symptoms.
Stromatolite fossils are the oldest known fossils<span>, that formed 3.5 billion years ago when the environments of Earth were too hostile to support life as we know it today. They </span><span>are layered mounds, columns, and sheet-like sedimentary rocks</span><span>
Stromatolite fossils indicate that </span>life must have arisen quite a bit earlier, perhaps 3.9 billion years ago.
Answer:
A plant with large number of leaves could be danger of losing too much water.
Explanation:
Transpiration is a process that occur in plants which deals with the removal of water from the stomata present in the upper surface of leaves.
The rate of transpiration is directly proportion to the number of leaves present in a plant.
The presence of large number of leaves in a plant increases the transpiration rate of the later that is associated will losing too much water from the plant body.
