A chemical substance that an organism requires to live. a nutrient that is scarce or cycles slowly through an ecosystem. ensures that nutrients will be circulated throughout the biosphere.
Answer:
cell wall
Explanation:
the cell wall helps fighting any bacteria that tries to infect the cell itself.
Two scientists testing different hypotheses about the same question
Answer:
The plant stores them as starch
Explanation:
A typical plant synthesizes sugars from photosynthesis by using water and carbon dioxide.

Parts of the sugar synthesized via photosynthesis is used to generate energy during respiration. The energy generated is useful for other metabolic processes in the plant's body.

<em>The remaining sugar is utilized in the synthesis of starch and stored in the various tissues of the plant.</em>
The best answer here is they show seasonal difference in flowering. if they self pollinated they could still interbreed assuming they flower in the same seasons