Directions: Use the information provided and your knowledge of Life Science to answer the following questions. Show all work where necessary.
Directions: Use the information provided and your knowledge of Life Science to answer the following questions. Show all work where necessary.
Scientists have long known that plants take in carbon dioxide (
Researchers at the NASA Plant Growth Laboratory grew identical plants under different air conditions to measure how
Table 1.
Average Plant Dry Mass (g) | Carbon in Plant Tissue (g) | Water Used (mL) | |
|---|---|---|---|
200 | 8.2 | 3.6 | 250 |
400 | 13.5 | 6.3 | 280 |
800 | 21 | 10.1 | 310 |
Plants grown in air with more carbon dioxide gained more mass and contained more carbon in their tissues. This shows that
This experiment connects directly to photosynthesis and shows students how plant growth depends on gases in the air. It provides a clear, measurable link between
Graph of Information - Figure 1.
Graph of Information - Figure 2.
Which observation best supports that carbon dioxide contributes to an increase in plant mass?
Using the table and Figure 1, describe the relationship between carbon dioxide concentration and plant mass gained over time.
Does the evidence support that plants use carbon dioxide to form new plant matter?
Claim:
Evidence:
Reasoning:
Why do plants show minimal mass increase when grown without adequate light?
Explain how the rearrangement of carbon dioxide and water molecules during photosynthesis leads to an increase in plant mass.
Compare mass increase in the normal-air plants to those grown in enriched