The cycling of carbon within ecosystems occurs through interactions among different organisms, and between organisms and the physical environment. In the atmosphere, carbon is found mostly in the form of carbon dioxide (CO2 ) gas. Carbon dioxide in the atmosphere can be taken in and used by some living things. What types of organisms can take in carbon dioxide gas?

What makes the results of a scientific experiment accurate? a) having multiple trials b) lacking any supporting data c) working in a lab d) using a hypothesis that is always true

Type the correct answer in the box. use numerals instead of words. fiona has a lovely flower bed in her yard. she wants to add a fence along one side of the flower bed. the fence material is sold in meters. fiona knows that her flower bed is 200 centimeters in length. how much fencing material does fiona need in meters? fiona needs meters of fencing material for her flower bed.

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels