Matter & Energy in Ecosystems Unit Exam

Front

Has the aquarium been in sunlight or covered? What happens to energy storage molecules in plants and fish?

Back

The aquarium has been in sunlight, and there are more energy storage molecules in the plants and fish.

Front

Which group or groups of organisms in a jungle ecosystem carry out photosynthesis?

Back

plants

Front

Giant kelp are plantlike organisms that grow in clear ocean water. Over the last few hours some kelp has been taking in carbon from the water around it. Is the kelp in sunlight? What has happened to the number of energy storage molecules in the kelp? The kelp . . .

Back

is in sunlight, and the number of energy storage molecules in the kelp has increased.

Front

Which group or groups of organisms in a river ecosystem carry out cellular respiration?

Back

all organisms in the river

Front

A group of giraffes feeds on leaves and grasses during the daytime. Right now, it's the middle of the night. The sun is not shining and the giraffes are not eating. Is carbon moving into the living things, moving out of the living things, or both?

Back

Carbon is only moving out of the living things; it is not moving into them.

Front

Decomposers release carbon and what other "critical nutrient" for plant growth?

Back

Nitrogen

Front

What does burning fossil fuels release into the atmosphere?

Back

Carbon Dioxide

Front

If carbon in the atmosphere (abiotic) increases, what happens to the carbon in the biotic matter? 
Options: It will also Increase, It will Decrease, It will stay the same, There not enough information to answer

Back

It will Decrease

Front

What organelle does photosynthesis take place in?

Back

Chloroplast

Front

Glucose is a type of?

Back

Sugar