Midterm Review

Question 1

Humans should strive to live _______

Answer 1

Simply

Question 2

According to environmentalism,all your possession should be_____________

Answer 2

Basic necessities

Question 3

Too many possessions results in a loss of ______

Answer 3

freedom

Question 4

Sunlight, air, forests, minerals, and water are all _______

Answer 4

natural resources

Question 5

The introduction of harmful levels of chemicals or wastes into the environment is called_____________

Answer 5

pollution

Question 6

When the last member of a species dies,_________is said to have occurred

Answer 6

extinction

Question 7

Copper ore, petroleum, and diamonds are all__________

Answer 7

non renewable resources

Question 8

during the ___________period in history, humans lived in tribes and used fires to maintain prairie habitat

Answer 8

hunter-gatherer

Question 9

during the__________period in history, plants and animals were domesticated and human populations grew rapidly

Answer 9

agriculture

Question 10

rapid population growth, poverty, and reduced life expectancy are all characteristics of ________countries

Answer 10

developing

Question 11

a persons ________________is an indication of the productive area of earth needed to produce the resources consumed by that individual

Answer 11

ecological footprint

Question 12

the essay entitled “the tragedy of the commons” was written to illustrate the environmental conflicts that occur when many people in a community take advantage of the same____________in that area

Answer 12

Resources

Question 13

high fossil fuel consumption, low population growth rates, and high life expectancy are all charactistics of _________countries

Answer 13

developed

Question 14

the chance that an event will happen is known as _________

Answer 14

probability

Question 15

in statistics, the group of individuals used to represent the population is called the_______

Answer 15

sample

Question 16

a __________________model is a systematic process you can use to help you make decisions about environmental issues

Answer 16

decision-making

Question 17

the _________________consists of a series of steps used by scientists to identify and answer questions

Answer 17

scientific method

Question 18

the initial source of food in most ocean and freshwater ecosystems is

Answer 18

protists

Question 19

the initial source of food in most land ecosystems is

Answer 19

plants

Question 20

the living and once living parts of an ecosystem, including all the plants and animals, are _____factors in the ecosystem

Answer 20

biotic

Question 21

the nonliving parts of an ecosystem, such as rocks, light, air, and temperature, are ________factors in the ecosystem

Answer 21

abiotic

Question 22

raccoons in tennessee and raccoons in Illinois are members of the same ______, while all the raccoons in a forest in wisconsin are a ___________of raccoons

Answer 22

species;population

Question 23

algae are a type of organism in the kingdom of ______

Answer 23

protista

Question 24

unlike other organisms, _______do not have cell nuclei

Answer 24

bacteria

Question 25

a mushroom is the ________structure of a fungus

Answer 25

reproductive

Question 26

yeasts that make bread rise belong to the ______kingdom

Answer 26

fungi

Question 27

many celled organisms that have cell walls and make their own food are known as

Answer 27

plants

Question 28

organisms that get their food by breaking down dead organisms are called _________

Answer 28

decomposers

Question 29

a process within the cell of an organism that uses glucose and oxygen to produce carbon dioxide, water, and energy is called _______________

Answer 29

cellular respiration

Question 30

on new islands formed by volcanic activity, you will most likely find________succession

Answer 30

primary

Question 31

the first organisms to colonize any newly available area are known as _____________

Answer 31

pioneer species

Question 32

when energy is passed from one trophic level to the next, only about _______of the energy is passed to the next level

Answer 32

10%

Question 33

excessive use of __________on lawns and gardens can affect the nitrogen and phosphorus cycles in nearby lakes and streams

Answer 33

fertilizers

Question 34

succession that occurs on abandoned farmland is called ________succession

Answer 34

secondary

Question 35

a lion is an example of a group of consumers called _______

Answer 35

carnivores

Question 36

bacteria and fungi are examples of a group of consumers called___________

Answer 36

decomposers

Question 37

the ultimate source of energy for all organisms except those living deep in the ocean near a thermal vent is the _____

Answer 37

sun

Question 38

the burning of ___________over many years has resulted in an increase in the amount of carbon dioxide in the atmosphere

Answer 38

fossil fuels

Question 39

the incredibly diverse vegetation in _________________ is responsible for the evolution of numerous highly specialized animal species

Answer 39

tropical rain forest

Question 40

a _______biome has an annual rainfall of less than 25 cm

Answer 40

dessert

Question 41

a forest that is located about _______north latitude would have fallen leaves on the forest floor during the fall

Answer 41

40

Question 42

due to extreme temperature conditions and simple,easily disrupted food chains, the _______is very sensitive to human disturbance

Answer 42

tundra

Question 43

the climate of a biome is determined mostly by average _________and precipitation

Answer 43

temperature

Question 44

vegetation in biomes where__________is scarce consists predominantly of short trees, shrubs, and grasses

Answer 44

precipitation

Question 45

tropical rain forests are being destroyed primarily by logging for lumber and to create open land for _____

Answer 45

homes/agriculture

Question 46

in estuaries, fresh water and salt water mix, forming a ________trap

Answer 46

nutrient

Question 47

the amount of dissolved salts in water is known as _______

Answer 47

salinity

Question 48

upstream, a river is usually cold and flows ______through a shallow riverbed

Answer 48

swiftly

Question 49

coral polyps secrete skeletons of _______________that slowly accumulate and form coral reefs

Answer 49

calcium carbonate

Question 50

most of the food in aquatic ecosystems is produced by __________

Answer 50

phytoplankton/algae

Question 51

a population's _________is usually described as even, clumped, or random

Answer 51

dispersion

Question 52

if two species use the same food source at different times, they are _______competitors

Answer 52

indirect

Question 53

the ______________of an ecosystem for a particular species is the maximum population that the ecosystem can support indefinitely

Answer 53

carrying capacity

Question 54

a population's _______is the number of its members per unit area or per volume

Answer 54

density

Question 55

deaths that are caused by a disease spreading through a population are _______dependent

Answer 55

density

Question 56

a species' _____includes that species' physical home, the environmental factors necessary for that species' survival, and all its interactions with other organisms.

Answer 56

niche

Question 57

a type of interaction between two species in which both species are harmed is __________

Answer 57

competition

Question 58

a relationship in which two organisms live in close association, such as mutualism and commensalism is called_________

Answer 58

symbiosis

Question 59

a population has a __________growth rate when the death rate is higher than the birth rate

Answer 59

negative/declining