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Environmental science odd part 2 Flashcards | StudBud
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Environmental science odd part 2
Environmental science odd part 2
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Part 2 of the environmental science study guide for the FFA contest
Flashcards
73 cards
F
Practice quiz
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Host live
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Questions
73
Answers
1
An organism with six legs and three body segments is:
an arachnid
an insect
a vector
a nematode
2
Which of the following carries water and minerals from the roots and transports it up to the leaves?
cambium
phloem
xylem
heartwood
3
The importance of North American forests goes far beyond the production of wood. Forests also provide:
fuel
essential habitat
medicine
all of the above
4
Owls and foxes both try to make use of the available supply of rodents and other small animals. This is:
competition
parasitism
commensalism
mutualism
5
A tree in has become infected with a disease that interferes with radial growth. How might disease affect tree growth?
The tree would produce strange bulges and lumps
The tree would not increase its diameter
The tree would not grow talle
all of the above
6
Hydrogen sulfide occurs in ponds as a result of ______ by bacteria in mud.
ammonification
anaerobic decomposition
aeration
aerobic respiration
7
Male and female gametes joining together in a single cell is called ______, and the result is the formation of a ______.
fertilization, zygote
spermatogenesis, gamete
reproduction, baby
fertilization, gamete
8
Birds and reptiles differ from frogs and toads in terms of the:
location of fertilization
use of sperm for reproduction
use of eggs for reproduction
all of the above
9
Insects are beneficial for which of the following reasons?
They aid in plant pollination
all of the above
They eat other insects
They increase soil tilth, help with nutrient recycling, and control weeds
10
Surveys have shown that more than ______ % of U.S. counties have potential groundwater contamination from agrichemicals.
25
10
20
50
11
Which of the following pairings is correct?
evergreen, hardwood
deciduous, hardwood
deciduous, conifers
evergreen, lose their leaves
12
Which of the following carries food manufactured in the leaves to the stems, trunk, and roots?
xylem
cambium
phloem
heartwood
13
Organisms that are in immediate danger of extinction are classified as:
challenged
threatened
at-risk
endangered
14
This North American forest is consists of coniferous trees, swamps, marshes, rivers, and lakes and has a cold climate.
tropical forest
northern hardwoods forest
bottomland hardwoods forest
northern coniferous forest
15
The greatest single cause of extinction is:
illegal hunting
climate change
harsh winters
destruction or modification of habitat
16
Slightly acidic soils that have a B horizon high in clay content, and are high in Ca, MG, Na and K.
ultisols
alfisols
spodosols
illuvials
17
The relationship between two organisms in which one feeds on the other without killing it is called:
mutualism
commensalism
parasitism
predation
18
An animal that only eats foods high in fiber but low in nutrients such as grass, twigs, and leaves is most likely:
be a carnivore
require a minimal amount of this food
be a ruminant
have a simple stomach
19
Controlled ground fires would have what effect on a forest?
reduced intensity of wildfires
all of the above
reduced competition with young trees and shrubs
trash accumulations are kept to a minimum
20
Soils that are found in warm, humid climates and generally show evidence of heavy weather action are called:
ultisol soils
alfisol soils
illuvial soils
spodosol soils
21
This area is the most productive forest region in the U.S. with 25% of lumber, 19% pulpwood and 75% plywood production.
bottomland hardwoods forest
Pacific Coast forest
northern coniferous forest
northern hardwoods forest
22
After 1962, heavy reliance on chemical pest management began to be questioned as a result of which of the following?
all of the above
concerns over human health from exposure to pesticides
the publication of Rachel Carson’s book Silent Spring
pest resurgence and resistance to pesticides
23
Removing a pest's potential habitats and/or breeding sites between crops is known as:
trap cropping
biological control
eradication
clean culture
24
Some benefits provided by forests include all of the following except
increased humidity in the air
increased likelihood of flooding
increased infiltration of water into the soil
shade and cooler temperatures in the summer
25
Weeds can be considered undesirable for which of the following reasons?
They compete for water, nutrients, light, and space
They harbor insects and disease pathogens
They decrease crop quality
all of the above
26
In simple terms, there are only two ways to conserve water: stop using water for some purposes, and:
use bottled water
use water only for drinking
use water more efficiently
use water only at night
27
An organism with a low biotic potential
may be at risk of extinction
has low fecundity
has a slow rate of reproduction
all of the above
28
You watch a robin catch and eat a worm. You have just watched an example of:
commensalism
predation
mutualism
parasitism
29
This NE region is populated by several important hardwood species including beech, maple, hemlock, and birch trees.
northern coniferous forest
northern hardwoods forest
tropical forest
bottomland hardwoods forest
30
During which of the following situations would an animal’s food requirements be most likely to decline?
spring and summer
stress
reproduction
extreme cold
31
Which one of the following classes of pests would be killed by an acaricide?
fungi
mites and ticks
weeds
birds
32
The basic needs of all organisms are:
shelter
space
all of the above
food and water
33
The purpose of developing and implementing IPM programs since the 1970s has been to reduce dependency on chemicals while
lowering the incidence of cancer in the United States
still achieving acceptable pest control
still eradicating plant and animal disease in the United States
using lower amounts of synthetic fertilizers
34
Although it is often found in municipal water supplies, water used for fish culture should not contain any residual:
sewage
carbon dioxide
dissolved oxygen
chlorine
35
If I were a herbivore, which of the following would I most likely eat?
eggs
chickens
nuts and acorns
worms
36
Damage by pests to agricultural crops in the U.S. has been estimated to be ______ of the total crop production potential
one-quarter
one-tenth
one-third
one-half
37
oxious weeds are often spread when seeds become airborne or
become attached to the hair of an animal or to human clothing
fall into flowing streams
are eaten and distributed by birds
all of the above
38
Species that cannot adapt their behaviors or their diets to accommodate changes in their environment:
are displaying nonadaptive behavior
are prone to extinction
may depend on a single source of food or shelter
all of the above
39
Substances that help water to resist changes in pH are known as
trace elements
salts
buffers
ions
40
Diseases that are caused by living agents of infection such as bacteria, fungi, and viruses are described as:
communicable diseases
abiotic diseases
biotic diseases
infectious diseases
41
Which of the following is not one of the layers of a forest?
scrub layer
shrub layer
forest floor
canopy
42
Learned behaviors that improve the chances of survival for an organism are called
adaptive behaviors
survival behaviors
conditioned behaviors
instinctive behaviors
43
Squirrels and birds play important roles in:
pruning the leaves and limbs from trees
distributing the seeds of trees
protecting trees from predators
removing insect pests from trees
44
Although neglected in the past, it is now known that no area of U.S. land is more important to wildlife than:
wetlands
forests
grasslands
deserts
45
Which one of the following events leaves forest lands the most susceptible to soil erosion?
change of season from autumn to winter
snow storm
forest fire
hurricane
46
DDT was banned in the U.S. because it was found to be responsible for interfering with the reproduction of birds by:
preventing fertilization of the female
none of the above
causing only female offspring to be produced
weakening the shells of their eggs
47
This tree is probably the most important species because of its high productivity and value as construction lumber.
maple
Sitka spruce
ponderosa pine
Douglas fir
48
The success of insects is attributed to several characteristics, including their anatomy, developmental diversity, and:
quick reflexes
exoskeletons
reproductive potential
their heads, thoraxes, and abdomens
49
In birds, the organ that does the job closely resembling that of teeth would be the:
reticulum
rumen
gizzard
crop
50
When an organism is in, on, or with another and sharing its food without any impact, + or -, the relationship is called:
predation
parasitism
commensalism
mutualism
51
From 1940 to 1972, the U.S. had a major reliance on chemical pesticides. Other strategies were ignored, because:
there were no other options besides chemicals
chemical control gave excellent results at a low cost
the government told farmers to use chemicals
the public wanted chemical residues on their fruit, vegetables, and other f
52
Wood harvested from trees may be chipped, dried, and burned to produce steam for the purpose of generating
biomass power
solar energy
hydroelectric power
geothermal energy
53
Your friend is good at math and you are good at English. You help each other with homework. This is an example of:
predation
commensalism
parasitism
mutualism
54
Aerating water to improve its oxygen content drives off excess:
carbon dioxide
nitrates
nutrients
phosphates
55
Environmental contamination by agrichemicals can be decreased through several management practices, including:
proper storage and disposal
all of the above
proper application
proper mixing
56
a small southern area with mahogany, mangrove, bay, ohia, boa, tree fern, kukui, tropical ash, mamani, and eucalyptus.
tropical forest
bottomland hardwoods forest
northern coniferous forest
northern hardwoods forest
57
Which of the following is a measure of mortality rate?
For every 100 elk, five baby elk are born each year.
For every 100 elk, five elk die each year.
There are 10 elk per square mile
There are 10 elk under 2 , five between 2 and 4, and 5 older than 4
58
How does the forest environment differ from surrounding areas during summer months?
The forested area contains fewer organisms
The forested area has warmer temperatures
The forested area has cooler temperatures
The forested area is drier
59
Before the 1940, pesticides were limited to elements and inorganic compounds such as:
sulfur
Bordeaux mixture
all of the above
arsenic
60
If I were a carnivore, which of the following would I most likely eat?
apples
salads
bread
worms
61
Acidic soils in cold and damp climates that have coarse silica parent material, and tend to be light-colored are called:
Spodosols
Ultisols
Alfisols
Illuvials
62
Perennial weeds are capable of reproducing vegetatively by using:
rhizomes
all of the above
an extensive rootstock
stolons
63
I am a scientist who investigates the behavior of nesting birds. I am engaged in the science of
botany
zoology
meteorology
biology
64
You have a pet bear who loves to eat berries and gophers. Your bear is an example of:
a carnivore
an omnivore
a predator
a herbivore
65
Conifers are evergreen trees that
produce seeds in cones
all of the above
produce lumber called softwood
have needle-like leaves
66
Organisms that tolerate other members of their species and even gather together in groups are said to be:
gregarious
none of the above
social organisms
herd organisms
67
Which of the following is not a factor involved with the disease triangle?
The pathogenic organism, or causal agent, must be present
A susceptible plant or host must be present
Environmental conditions that support the causal agent must occur
A weakness in the plant must be present
68
Every day, I investigate the rate of photosynthesis in roses outdoors. I am engaged in the science of
botany
meteorology
zoology
biology
69
The advantages of using wood for fuel include all of the following except
it does not contribute to acid precipitation
it is a renewable resource
the production of particulate matter in the smoke
it tends to be low in sulfur compared to coal
70
This region occurs mostly along the Mississippi and contains mostly hardwood trees such as Oak, gum, tupelo, and cypress
northern hardwoods forest
northern coniferous forest
tropical forest
bottomland hardwoods forest
71
Lack of adequate nutrition may result in:
death
sickness
decreased reproduction
all of the above
72
Which of the following is an example of an instinctive behavior?
suckling by a newborn animal
doing calculus
riding a bike
reading a book
73
According to your text, the following environmental “problems” are still debated, except:
the problem of solid waste disposal
whether greenhouse gases are actually causing significant global warming
the use of tax credits to curb polluting by coal-burning power power plants
will global warming will be as severe as people contend