Env Sys Midterm 2021

Which is NOT true of K selected species

In this stage, the birth rate equals the death rate and has a short life expectancy

When a current carrying cold water meets with warm water, the cold water

If grass produces 1,000 kilocalories, how many calories can we expect a secondary consumer to receive?

What is NOT one of the three forces needed to change a rock type?

The ability to reproduce is...

The __________ variable is the cause. The ____________ variable is the effect

An island has 250,000 inhabitants. Last year, there were 12,000 births and 10,000 deaths. What is the borrth rate?

What effect do volcanic eruptions have on the carbon cycle?

In this stage, death rate declines while birth rates stay high

Most water on Earth is in which form?

Rock formed by cooling magma is

Energy in a food web originates from:

Which of the following does NOT influence growth rate of a population?

In this stage, the birth rate begins to decline as education improves

Which is NOT true of an r-selected species?

You are in the forest in the Pacific Northwest surrounded by huge pine trees and it hasn't stopped raining in days

Surface currents move the north Pacific in a _________ direction

Which human activity would PRESERVE nonrenewable resources?

When a species goes extinct in the wild, but still exists in captivity, it is an example of:

A graph that shows the number of males and females in a population at different ages is called

Few or no countries are still in this stage

Which of the following is an example of a density independent factor?

A robin that does not affect the tree in which it nests is an example of

Which biome has permafrost?

The transfer of heat by air currents (or currents in a liquid) is called

The amount of energy that flows from a lower tropic level to a higher one is

What kind of organisms can be keystone species?

A rock that undergoes pressure and heat to form crystals becomes

The measure of energy released by an earthquake is called its

AFTER a hypothesis is constructed, you would next

Where does some water from the water cycle collect underground?

What is the lowest layer of the Atmosphere?

The atmospheric layer located farthest from Earth’s surface is ______.

Which of the following is a factor that influences where an organism lives in an aquatic ecosystem?

Which of the following does NOT apply to humans

Using resources responsibly so they will be around for a while is called...

Subjects that remain in the original, unchanged conditions in order to provide a baseline comparison are part of the

Birds trail ants to feed on insects escaping the ants as they move across the forest floor. This is an example of

A relationship where one organism benefits, but another is harmed is:

A gas molecule made of three oxygen atoms that absorbs much of the sun's UV radiation is

Which is NOT a source of heat that changes rock structure?

Which of the following would start secondary succession?

What are two ways a population decreases?

Which mass extinction is currently underway?

Which is the most abundant gas in the Earth’s atmosphere?

A flea drinks a dogs blood which may end up giving the dog an infection. This is an example of:

The US most closely resembles this stage of development

________ is the process in which the materials of the Earth’s surface are loosened, dissolved, or worn away

Preferred habitat, position in a food chain, and eating and mating behaviors are all examples of

You are somewhere in the eastern US. The leaves are changing colors and you just saw a bear. Your are in:

Around what percentage of the Earth's atmosphere is nitrogen?

Factors influenced by the size of the population

In this stage, government may begin to encourage immigration due to an older population

My hypothesis is that chocolate causes pimples. My independent variable is:

An organism's maximum ability to produce offspring in ideal conditions

What does a population pyramid not tell you?

Which country in the world has the third largest population?

Which part of the carbon cycle involves animals breathing in oxygen and out carbon dioxide?

Birds perch on rhinoceroses and eat ticks. The birds get food while the rhinos have a pest control. This is...

Characteristics of the environment that restrain a population's growth

Which stage in the demographic transition has population decline?

Volcanoes occur at tectonic plate boundaries that are

The narrow layer of Earth where life-supporting conditions exist is called the:

It is very cold and very dry. You're in Canada, you haven't seen a tree in miles, and you are being followed by a moose

The largest population size a given environment can support

An example of the Tragedy of the Commons is:

The coldest layer of the atmosphere where temperatures have been measured as low as –93º is the

Which human activity would most likely deplete nonrenewable resources?