Ecology Regents Review Flashcards (English)

Front

What is the carrying capacity of the following graph?

Back

1000

Front

In the year 1865 the rabbit population seems to soar above the lynx (bobcat) population. What might be a cause for this?

Back

a disease hit the lynx population

Front

The presence of wastes, such as plastic bags and motor oil, in lakes and streams miles away from developed areas suggests that

Back

ecosystems are interconnected and human action can alter ecosystem equilibrium.

Front

How does eutrophication affect other organisms in water when fertilizers increase nitrogen content?

Back

Oxygen is used up as algae is decomposed, reducing the amount available to other organisms.

Front

As an ecologist, what factors would you raise with the local government regarding a strip mining company leasing land in a national park?

Back

the threat to local biodiversity

Front

Which item is a biotic limiting factor for humans? Options: Ebola, space, fresh water, hurricanes

Back

Ebola

Front

How can humans ensure that ecosystems are healthy and remain healthy?

Back

All of the above: limit habitat destruction, increase biodiversity, remove invader species.

Front

An example of invasive species are ________ because they _________.

Back

dandelions; crowd out space where grass could grow

Front

A farmer hires a spraying service to treat his corn field with herbicide. That same evening, it rains over 3 inches. The herbicide ends up in a nearby pond. What part of the food web will be impacted first?

Back

producers

Front

Which of the following best describes an ecosystem? Options: all the living organisms in an area and their physical surroundings, a region with a distinct climate, all the living organisms of the same species throughout the world, all the living organisms in an area

Back

all the living organisms in an area and their physical surroundings