Exam 1 Reviewa

A key component to identifying a negative feedback loop is:

• resulting in stabilizing effects

• resulting in destabilizing effects

• A good change

• A bad change

Energy _________ and nutrients _________ in ecosystems

• cycles, flows

• disappears, refill

• flows, cycle

• transfers, moves

Ecosystem services ________.

• contribute to keeping ecosystems productive

• are not necessary to sustainable systems

• are economically valuable services provided by natural systems

• are valuable to natural systems but not to human-created systems

To determine your specific impacts on the environment, you can ________.

• measure air pollution

• calculate biodiversity

• look at your water pollution

• calculate your ecological footprint

Solutions to environmental problems ________.

• can only be made by scientists

• is a multidisciplinary effort

• should be short term

• are theoretical

The ________ is the rock and sediment beneath our feet, plus Earth's uppermost mantle and crust.

• hydrosphere

• atmosphere

• lithosphere

• biosphere

The biggest reservoir for the hydrologic cycle is the _____.

• atmosphere

• precipitation

• icebergs

• the ocean

The greatest species diversity is in which group?

• fish

• humans

• birds

• insects

When a species ceases to exist in a local area but still exists elsewhere, this is called______.

• extirpation

• extinction

• evolution

• adaptation

This is the list of species at high risk of extinction

• The Danger Zone

• Endangered Species Act

• IUCN Red List

• Not a good list