Jewell ENSCI Midterm chs 1-7

Question 1

equation for determining population growth is

Accepted Answer

(birth s+ immigration) – (deaths + emigration).

Question 2

plan to establish 8000-km-long strip of land across eight southeast Asian countries to rejoin fragments of tiger habitay

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wildlife corridor.

Question 3

An interaction in which an individual of one species kills and consumes an individual of another is called

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predation.

Question 4

The thin layer of rock that forms Earth’s outer skin both on dry land and in the ocean is called Earth’s

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crust.

Question 5

Which branch of the government involved in interpreting environmental laws and hearing lawsuits regarding environment

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judicial branch

Question 6

What is the difference between swamps and freshwater marshes?

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Swamps have mostly woody shrubs and trees, but marshes have mostly grasses

Question 7

What global phenomenon has caused some organisms to move toward the poles or to higher altitudes

Accepted Answer

warming temperatures

Question 8

Which statement about the littoral zone in a lake or pond is true?

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It is rich in invertebrates.

Question 9

Fish, cattails, frogs, water lilies, dragonflies, and all the other living things in a pond make up a(n)

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community.

Question 10

macromolecule made of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur, and can produce tissues, act as hormone

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proteins

Question 11

A species that is at serious risk of extinction is called a(n)

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endangered species.

Question 12

2 species finch; same environment. one develops a larger beak to consume larger seeds, other small beak for small seeds

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resource partitioning.

Question 13

One way that zoos and aquariums help increase wildlife populations is through

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captive breeding programs.

Question 14

The final step of the environmental policy process is to

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guide the solution to law.

Question 15

Which of the following gives value to all living things, both human and nonhuman?

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Biocentrism

Question 16

Why do shorter trees and plants that make up the understory in tropical rain forests have large, flat leaves?

Accepted Answer

to allow maximum surface for light absorption

Question 17

caribou adapted to cold tundra environments not able to survive in a tropical forest because the tropical not suitable

Accepted Answer

habitat.

Question 18

Which of the following facts influenced the shift in environmental policy in the U.S. during the mid- to late-1900s?

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dirtier air, dirtier water, and more waste and toxic chemicals

Question 19

A region with tigers, eagles, lizards, fish, rabbits, etcwould be described as having a high level of

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species diversity.

Question 20

Water molecules are composed of

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one oxygen atom and two hydrogen atoms.

Question 21

The disappearance of a particular population from a given area, but not of the entire species globally, is called

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extirpation.

Question 22

Criteria such as salinity, depth, and whether the water is flowing or standing are used by scientists to

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classify aquatic ecosystems.

Question 23

Siberian cranes fly from India to Siberia, they breed and raise their young. winter comes, cranes fly back to India

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migration.

Question 24

What statement about cap-and-trade systems is true?

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issue permit allow companies to emit a percentage of pollution

Question 25

effectively explain phenomena, make accurate predictions in wide range of situations, and undergone extensive testing

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theory.

Question 26

Which of the following best describes a successful individual in evolutionary terms?

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well adapted to its environment and produces offspring that survive

Question 27

Water which returns from the atmosphere to Earth’s surface as rain or snow is called

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precipitation

Question 28

In a population of 100 monkeys, you count 48 males and 52 females. This population has an approximately even

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sex ratio.

Question 29

Which of the following statements represents an issue that would be dealt with by the environmental justice movement?

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wealthy countries imposing their pollution on poorer countries

Question 30

Which zone of an aquatic ecosystem tends to have the highest temperatures?

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photic zone

Question 31

What is one of the key differences between scientific theories and hypotheses?

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theories broader explanations; hypotheses deal with a narrower subject

Question 32

The central core of very atom, containing particles called protons and neutrons, is called a(n)

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nucleus.

Question 33

Nutrients circulate endlessly throughout the environment in complex cycles called

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biogeochemical cycles.

Question 34

One example of a question that can be addressed by science is:

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What percent of people prefer roses to tulips?

Question 35

Which of the following are common sources of phosphorus?

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fertilizer and detergent

Question 36

Water with a salinity that is greater than fresh water but less than saltwater is classified as

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brackish.

Question 37

When demand for a product is low, the producer will

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drop price and supply

Question 38

organization issued ruling forced U.S. Environmental Protection Agency (EPA) to weaken its regulations for cleaner gas

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World Trade Organization (WTO)

Question 39

Provides low-interest loans, or grants to countries for projects that will improve their citizens’ living standards a

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World Bank.

Question 40

Many bird species are territorial. In territorial birds species, what kind of population structure would you expect?

Accepted Answer

uniform

Question 41

Some people argue that because Earth’s resources are ultimately limited, nonstop economic growth is

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not sustainable.

Question 42

A treaty is a(n)

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agreement under international law

Question 43

Sometimes, a company that generates pollution will pay extra taxes, based on the amount of pollution it produces

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green taxes

Question 44

During the process of nitrogen fixation, nitrogen gas is converted to

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ammonia.

Question 45

An ecologist who is studying the mineral requirements and daily water intake of a plant species is studying the

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individual.

Question 46

What type of plant is associated with nitrogen-fixing bacteria?

Accepted Answer

legumes, like soybeans

Question 47

Which type of organism dwarfs all others in terms of species diversity?

Accepted Answer

insects

Question 48

To help them survive in the tundra, caribou have various adaptations, such as

Accepted Answer

wide hooves for travel on mud and snow.

Question 49

eutrophication can lead to low levels of oxygen in water as decomposers break down all the dead producers leading to

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hypoxia

Question 50

In food web that consists of grass, mice, deer, coyotes, and hawks, which species is likely to have the greatest biomass

Accepted Answer

grass

Question 51

Which biome would have the lowest net primary production?

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desert

Question 52

By far, the biggest cause of biodiversity loss today is

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habitat change and fragmentation.

Question 53

The latitudinal gradient is a natural pattern in which species diversity generally

Accepted Answer

increases toward the equator.

Question 54

Which is the highest level of biodiversity?

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ecosystem diversity

Question 55

What function does carbon dioxide play in Earth’s atmosphere?

Accepted Answer

It keeps Earth warm through the greenhouse effect.

Question 56

All material in the universe that has mass and occupies space is called

Accepted Answer

matter.

Question 57

In which ocean zones do crabs, mussels, anemone, barnacles, and sea stars live?

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intertidal

Question 58

Ecologists use similarities between ecosystems to classify them into broad categories called

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biomes.

Question 59

Which statement about environmental policy in the United States is true?

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All three branches of government are involved in environmental policy.

Question 60

Where rivers flow into the ocean, mixing fresh water with saltwater, brackish ecosystems occur which are called

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estuaries.

Question 61

Why is environmental science considered an interdisciplinary field?

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It borrows techniques from numerous subjects

Question 62

In a mass extinction, the rate of extinction exceeds

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the rate of background extinction

Question 63

A grassland experiences a drought that kills most plants and water holes to dry up which are

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resources.

Question 64

An example of a density-dependent limiting factor is

Accepted Answer

the amount of available food.

Jewell ENSCI Midterm chs 1-7

Questions 85

Jewell ENSCI Midterm chs 1-7

Questions 85