Unit 6 Review (Phot, vs Cell Resp., Matter, Succ,, Food Webs

Front

Which would be the appropriate term for an organism that eats a producer? Options: scavenger, decomposer, secondary consumer, primary consumer

Back

primary consumer

Front

Why is some energy not passed on to the next trophic level?

Back

The organisms at each level use about 90% of the available energy to live.

Front

The arrows in a food web…

Back

Show the direction of energy flow in an ecosystem

Front

Which of the following best describes the small bird in the food web above?

Back

secondary and tertiary consumer

Front

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population? Options: There would be a decrease in the small bird population., There would be a decrease in the grass/flowers population., There would be a decrease in the mice population., There would be an increase in the grass/flowers population.

Back

There would be a decrease in the grass/flowers population.

Front

Which organism(s) in the food web above can be described as quaternary consumers?

Back

owl, mosquito and mouse

Front

Which organism has the most energy and which organism has the least  amount of energy?

Back

grass and owl

Front

If additional snakes are introduced into this ecosystem, there will most likely be an immediate decrease in the _________.

Back

rabbit population

Front

the gradual and orderly process of change in the environment over time

Back

succession

Front

A stable forest is destroyed by the California wild fires and burns it to the ground. This is an example of which type of succession? (Options: primary, secondary)

Back

secondary