Question

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CER: CLAIM-EVIDENCE - REASONING
Question: How does the concentration of carbon dioxide affect the rate of
photosynthesis in tomato plants?
Rate of Photosynthesis
Background Research: Photosynthesis is the process by which plants, as well as some
fungi, bacteria, and protists, use light energy, carbon dioxide, and water to make
glucose (food); oxygen is also released as a by-product. This reaction causes light
energy to be transformed into chemical energy that can be used or stored by the
organism. Photosynthesis is one of the most important parts of the carbon cycle,
allowing carbon to cycle through many different processes and spheres on Earth.
In order to study the specific effects of carbon dioxide concentration on the rate of
photosynthesis, scientists grew and studied tomato plants within a greenhouse where
they could control the concentration of carbon dioxide. Below is a model of their data:
Class: Fill in class
Rate of Photosynthesis vs. Concentration of Carbon Dioxide
V increases
B
C
x increases
Carbon Dioxide Concentration
Lear

Answer 1

Ok, I'm going to say the CER in parts and you can put it together any way you want because my brain isn't working today.

So basically, they claim that the concentration of carbon dioxide can affect the rate of photosynthesis in tomato plants.

We can show evidence from the model provided to show the affects caused to the tomato plants.

It shows the rate of photosynthesis rising as well as the concentration of carbon dioxide, but later on photosynthesis stops as the concentration of carbon dioxide keeps increasing.

From background research, we know carbon dioxide is a major part in photosynthesis, meaning this is crucial to the plant producing it's own food, also meaning that the increase of carbon dioxide also increases the rate of photosynthesis as also seen in the model.

I hope this is good enough, you can reach out again if you need anything else :>