__________ is the process that allows both plants and animals to use food molecules for energy.
Required
1 point
1
Question 2
2.
Glucose is a subunit of __________.
Required
2 points
2
Question 3
3.
During __________ O2 reacts with food molecules to create the new products of CO2 and __________.
Required
2.5 points
2.5
Question 4
4.
An ecosystem needs a constant input of __________ energy. As this energy enters the environment, plants use it in __________ to create __________ molecules. These molecules are then used by __________ in __________ to produce energy for cells.
Required
3 points
3
Question 5
5.
Identify each statement as a characteristic of photosynthesis or cellular respiration by selecting the bubble in the correct column.
Photosynthesis
Cellular Respiration
Makes glucose
Captures light energy
Uses oxygen
Occurs in all organisms
Uses food molecules
Occurs only in plants
Required
3 points
3
Question 6
6.
ALL food molecules contain atoms of these THREE elements:
Required
1 point
1
Question 7
7.
All food sources can be traced back to plants.
Required
1 point
1
Question 8
8.
The purpose of cellular respiration is to make food molecules.
Required
2 points
2
Question 9
9.
Carbon cycles between organisms in the environment. Plants take in their carbon as __________ and animals take in their carbon as __________.
Required
1 point
1
Question 10
10.
When do plants do photosynthesis?
Required
1.5 points
1.5
Question 11
11.
Identify each item as describing either carbohydrates, proteins, or fats.
Carbohydrates
Proteins
Fats
Has the most Calories per gram.
Often has rings. Starch and glucose are an example
Has Nitrogen atoms.
Required
1 point
1
Question 12
12.
Different types of food molecules, when reacting with __________, provide different amounts of energy.
Required
2 points
2
Question 13
13.
Where does most of the matter that makes up plants originally come from? (hint: more than one answer)
A closed terrarium is a container in which a plant lives and grows in its own micro-ecosystem. After it is first set up and put in a sunny location, it can live for many years without the need to add more water or nutrients.
Required
3 points
3
Question 14
14.
Explain how a plant can live like this.
Make sure to describe the role of photosynthesis and cellular respiration in your answer.
Required
2 points
2
Question 15
15.
The following is the equation for photosynthesis:
__________ --> __________
Required
1 point
1
Question 16
16.
How does the human body store energy when it is not needed right away?
Required
1 point
1
Question 17
17.
Why do you have to eat even when you are done growing?