Ecosystem Stability

Front

What is the carrying capacity of the following graph?

Back

1000

Front

What is the most likely effect of a sudden increase in the cricket 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.

Front

Effect of an invasive species on the carrying capacity of an ecosystem?

Back

The carrying capacity will only decrease for those in competition for the same resource.

Front

A species that is not native to an area is called:

Back

Invasive Species

Front

Which answer is true regarding biodiversity? Options:

As long as there are enough producers, an ecosystem is considered to have a good amount of biodiversity.

,

The rain forest has an unhealthy ecosystem because its biodiversity is too great.

,

An ecosystem is healthier when the biodiversity is great.

,

Biodiversity is positively affected when non-native species are introduced into an environment

Back

An ecosystem is healthier when the biodiversity is great.