Affiliate Marketing Secrets

What factors interact to produce smog?
a. sunlight and pollutants from fossil fuels
b. particulates and pollutants from fossil fuels
c. sunlight and oxygen
d. sunlight and acid rain
Which of these practices has contributed to the depletion of fish populations worldwide?.
a. fishing bans
b. catching reproduction-age fish
c. rotating catches
d. harvest reduction
Question 4
A predator might control an introduced species by
a. keeping the population from increasing.
b. causing habitat fragmentation.
c. increasing available niches.
d. reducing biodiversity in the area.
Question 5
Which level of the food chain is most affected by biomagnification?
a. secondary consumers
b. producers
c. tertiary consumers
d. primary consumers
What would Earth be like without the greenhouse effect?
a. the same temperature as it is now
b. too cold to be habitable
c. a little cooler than it is now
d. a little warmer than it is now
Question 7
Cutting down an entire forest ecosystem is known as
a. selective cutting.
b. clear cutting.
c. harvest reduction.
d. sustainable development.
Question 8
Which of these would probably lead to a decrease in global warming?
a. an increase in the amount of water vapor in the atmosphere
b. a decrease in the amount of methane in the atmosphere
c. an increase in the amount of carbon dioxide in the atmosphere
d. a decrease in the amount of oxygen in the atmosphere
Question 9
What are renewable resources?
a. resources that formed over millions of years
b. resources that can replenish themselves over time
c. resources that exist only in rural areas
d. resources that are used faster than they form
Question 10
How many people can Earth support?
a. 20 billion
b. 50 billion
c. an unknown number
d. 10 billion
Question 11
Because the manatee is an umbrella species, protecting it may lead to
Choose one answer.
a. protection of many other species.
b. pollution of waterways.
c. decreased seagrass.
d. increased boating in their habitat.
Question 12
Which of the following is correct?
a. All ozone in the atmosphere is harmful.
b. Ozone in the stratosphere is helpful but ground-level ozone is harmful.
c. All ozone in the atmosphere is helpful.
d. Ozone in the stratosphere is harmful but ground-level ozone is helpful.
n what biome is biodiversity the highest?
a. temperate forests
b. deserts
c. grasslands
d. tropical rain forests
Question 14
Canned tuna made from small fish is generally considered to be safer to eat than canned tuna from large fish. Large fish have more pollutants
a. because they drink more water.
b. because they live in more polluted water.
c. due to their larger surface area.
d. due to biomagnification.
Question 15
How has the introduction of kudzu affected native species in the southeastern United States?
a. It has increased erosion, so native plants cannot grow.
b. It has covered native plants, depriving them of sunlight.
c. It has attracted animals that eat native plants.
d. It has helped native plants survive harsh weather.
Why are frogs sensitive to pollutants in water?
a. They are not an indicator species.
b. They have a small body mass.
c. They need low-oxygen conditions.
d. They have water-soluble skins.
Question 18
Which statement best describes Earths human carrying capacity?
a. increasing due to improved technology and medicine.
b. decreasing due to increasing population.
c. decreasing due to decreasing death rates.
d. a fixed number that we will soon exceed.
Question 19
Why are humans less sensitive than frogs to pollutants in water?
a. Humans do not have water-soluble skin.
b. Humans do not need water.
c. Humans are affected only by airborne pollutants.
d. Humans need low-oxygen conditions.
Question 20
What causes the level of carbon dioxide in Earths atmosphere to rise and fall over hundreds of thousands of years?
a. ice ages
b. the greenhouse effect
c. natural climate cycles
d. human activities

What factors interact to produce smog? a. sunlight and pollutants from fossil fuels b. particulates and pollutants from fossil fuels c. sunlight and oxygen d. sunlight and acid rain Which of these practices has contributed to the depletion of fish populations worldwide?. a. fishing bans b. catching reproduction-age fish c. rotating catches d. harvest reduction Question 4 A predator might control an introduced species by a. keeping the population from increasing. b. causing habitat fragmentation. c. increasing available niches. d. reducing biodiversity in the area. Question 5 Which level of the food chain is most affected by biomagnification? a. secondary consumers b. producers c. tertiary consumers d. primary consumers

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The organisms of one species living together in the same place at the same time are a ____.
(1 point)
community
population
niche
all of the above
2.
Which process uses oxygen in plants, algae, and animals?
(1 point)
transpiration
photosynthesis
chemosynthesis
respiration
3.
During photosynthesis, light energy becomes ____ energy.
(1 point)
soil life
chemical
mechanical
pyramid
4.
Which of the following eats consumers?
(1 point)
carnivore
herbivore
bacteria
fungi
5.
Nitrogen in the soil is used by ____.
(1 point)
plants
animals
both a and b
neither a nor b
6.
As you move upward, from level to level, in an energy pyramid, energy ____.
(1 point)
decreases
increases
stays at the same level
is destroyed
7.
Of the following, which is NOT a freshwater ecosystem?
(1 point)
lake
pond
estuary
swamp
Completion
8.
The portion of Earth that supports life is called the ____________________.
(1 point)
9.
The burrow a chipmunk digs under a patio stone is an example of a(n) ____________________.
(1 point)
10.
Organisms that can use the energy from an outside source such as the Sun to create energy-rich molecules are called ____________________.
(1 point)
11.
A symbiotic relationship in which both organisms benefit is called ____________________.
(1 point)
12.
Average weather conditions over time are called ____________________.
(1 point)
Short Answer
13.
Compare and contrast a community and an ecosystem.
(3 points)
14.
Why must a producer be at the base of every food chain?
(3 points)
15.
Describe the relationship between CO2 and oxygen in the process of photosynthesis. How does this benefit both plants and animals?
(3 points)
16.
Compare a climax community to a pioneer species.
(3 points)
17.
List at least three ways in which grassland and tundra biomes are similar. (3 points)

1. An example of a consumer is a _____
a. fern c. tree
b. grass d. rabbit
2. Photosynthesis, respiration and burning of fuels are all directly involved in the _____
a. water cycle c. carbon-oxygen cycle
b. nitrogen cycle d. phosphorus cycle
3. Materials that are recycled in the ecosystem include all the following except _____
a. nitrogen c. energy
b. oxygen d. carbon
4. In a food chain, herbivores are known as _____
a. secondary consumers c. producers
b. primary consumers d. carnivores
5. Fossil fuels are responsible for most _____
a. water pollution c. air pollution
b. soil pollution d. land pollution
6. Air pollution is caused by the following except _____
a. carbon dioxide c. nitrogen oxide
b. oxygen d. sulfur dioxide
7. Trapping of _____ causes the greenhouse effect
a. carbon dioxide c. nitrogen oxide
b. oxygen d. sulfur dioxide
8. In an ecosystem, _____ get the most energy
a. omnivores c. producers
b. decomposers d. herbivores
9. All are abiotic factors except _____
a. animals c. soil
b. sunlight d. air
10. A coral reef and a rainforest are examples of _____
a. niche c. community
b. habitat d. ecosystem

What is the organisms of one species living together in the same place at the same time are a?
__niche
__population
__ community
__all of the above
Which of the process uses oxygen in plants, algae, and animals?
__respiration
__transpiration
__photosynthesis
__chemosynthesis
During photosynthesis, light energy becomes, what energy?
__pyramid
__soil life
__chemical
__mechanical
Which of the choices eats consumers?
__bacteria
__carnivore
__fungi
__herbivore
Nitrogen that is in the soil is used by?
__plants
__animals
__both a and b
__neither a nor b
As you move upward, from level to level, in an energy pyramid, the energy?
__decreases
__increases
__stays at the same level
__is destroyed
Which of the following is NOT a freshwater ecosystem?
__lake
__pond
__estuary
__swamp
Thank you!! No mean comments, hater, etc!! It will be the best if you explained and list down answers!!