Ecosystem Stability

Front

What is the carrying capacity of the following graph? Options: 1000, 8000, 800, 600

Back

1000

Front

Growth of biological organisms which goes on unhindered when resources are unlimited.

Back

exponential growth 

Front

Indicates the greatest number of any species that can indefinitely exist within a specific habitat without threatening the existence of other species also living in that habitat

Back

carrying capacity

Front

Largest number of individuals of a population that an environment can support

Back

carrying capacity

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

What would most likely happen if an ecosystem no longer received sunlight?

Back

All living organisms would eventually die

Front

Examples of how humans negatively affect local ecosystems:

Back

Building dams, deforestation (cutting down trees), adding point sources to nearby streams to allow for run-off, building roads and structures, and salting roads.

Front

How would the biodiversity of this ecosystem be affected if the lantern fish disappeared?

Back

The squid would die out.

Front

Which organism do the owl and the weasel compete for in the food web? Options: Hawk, Spider, Grasshopper, Shrew

Back

Shrew

Front

What may happen if the snowshoe hare was removed from the food web pictured?

Back

The shrew population would decrease due to being only hawk food source.