A large number of trees in the rainforest are cut down. What effect could this have on the carbon dioxide-oxygen cycle if the removal of so many plants and trees continues; carbon dioxide will increase or water vapor will increase?

What would happen to animals in an area if all the plants were removed? Why?

What is the process that combines water, carbon dioxide, and light to make sugar?

What are the products of cellular respiration?

A large number of plants and trees were destroyed by a forest fire. What will happen in the area; oxygen will increase or decrease??

What is the process where plants use sunlight, water, and carbon dioxide to produce sugar and release oxygen?

The energy that animals need for their life functions is released when their cells...; break down carbon-based molecules, or, absorb water from the environment?

What gas do animals add to the atmosphere when they breathe?

What process is happening when carbon dioxide is moved from the atmosphere to plants?

Which process is happening when carbon dioxide is moved from animals to the atmosphere?

Which process removes carbon from the atmosphere; decay or photosynthesis?

What gas is produced by plants during photosynthesis that animals use for respiration?