I would think it's C as all plants have spores.
There are many reasons why they should be classified. For starters, they enable us to understand better what kind of a mark they had on history. They also help us understand how they influenced the society and what exactly was revolutionary about them. The classification helps us understand the events surrounding them and following them and the classification can even help us predict what might happen in the future.
Answer: At night when no light is present plants can only utilize cellular respiration so the overall net change of co2 they "consume" is pretty low but still beneficial at the rates humans seem to be dishing co2 out.
Some Lampreys are anadromous from their lake and they migrate up rivers to spawn.
Explanation:
If the adult fish live in the sea and migrate into fresh water to spawn is known as anadromous and if the adult fish live in fresh water and migrate into salt water to spawn is known as catadromous.
An anadromous fish like salmon, smelt,shad spends most of their life in the sea and returns to fresh water to spawn. A catadromous fish like eels lives in fresh water and enters salt water to spawn.
Sea lamprey brings nutrients into fresh water and provide a source of food for various birds, fish, mammals and people. The newly transformed lamprey can live only for few months in fresh water .
The females deposit a large number of eggs in nest made by males in the streams with strong current. Spawning is done by death of the adults
Both the 3’ carbon and 5’ carbon act in forming the phosphodiester linkages.
