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Biology Ch 3-4 Review Flashcards | StudBud
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Biology Ch 3-4 Review
Biology Ch 3-4 Review
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Ecology, energy, nutrient cycles
Flashcards
35 cards
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Practice quiz
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Host live
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Questions
35
Answers
1
What type of food creation requires sunlight?
Nitrogen fixation
Photosynthesis
Chemosynthesis
None of these
2
All primary producers
do photosynthesis
use materials from their environment to create food
are the base of the global food chain
are plants
3
How much energy is passed on between trophic levels, on average?
90%
50%
10%
25%
4
When gaseous water vapor loses energy and becomes a liquid it is..
Runoff
Photosynthesis
Condensation
Evaporation
5
Nutrient cycles that travel through both living and nonliving parts of an ecosystem are...
Biological
Biogeochemical
Geologic
Chemical
6
Which of the following are abiotic factors in ecosystems?
Bacteria
Predators
Grass
Water sources
7
This process is essential to maintain life on Earth, and is a result of the atmosphere holding heat near Earth's surface
Climate change
Global warming
Greenhouse effect
Pollution
8
This part of Earth's ecosystems includes rocks, volcanoes, and sediment
Atmosphere
Hydrosphere
Geosphere
Biosphere
9
This process occurs when bacteria break matter into nitrogen gas, relasing energy
Runoff
Denitrification
Nitrogen fixation
Decomposition
10
How do scientists study ecology?
Observation
None of these
Experimentation
Modeling
11
Global climates are influenced by
distribution of water and land
ocean currents
the rotation of the Earth on its axis
the tilt of the Earth on its axis
12
The water cycle...
includes transpiration, runoff, and precipitation
includes Photosynthesis and Cellular respiration
Ceases to occur in the winter
Is the most important cycle in the biosphere
13
A group of ecosystems that have the same climate and dominant communities is a(n)
Biosphere
Population
Biome
Population
14
This process occurs when water is given off through plants' leaves as a byproduct of photosynthesis
Transpiration
Evaporation
Precipitation
Nitrogen fixation
15
Photosynthesis...
Can happen on land or in the ocean
Can only happen on Land
Is only performed by heterotrophs
Is only performed by autotrophs
16
The process that takes carbon dioxide out of the air and replenishes oxygen is
Nitrogen fixation
Condensation
Photosynthesis
Cellular respiration
17
Which level of the ecological pyramids do non-vegetarian humans occupy?
Tertiary consumers (4th)
Primary consumers (second)
Primary producers (first)
Secondary consumers (third)
18
This process occurs when bacteria change nitrogen gas into substances that plants can absorb, like ammonia
Nitrogen fixation
Photosynthesis
Denitrification
Transpiration
19
It is true that energy ________ and matter ______.
Cycles, cycles
Flows, cycles
Flows, flows
Cycles, flows
20
The study of interactions among organisms and between organisms and their environment is
Ecology
Biochemistry
Biology
Environmental science
21
When water falls from clouds in the form of rain, sleet, snow, or hail, it is called
Precipitation
Transpiration
Evaporation
Nitrogen fixation
22
These organisms break down organic matter, harnessing the energy stored in chemical bonds
Detritivores
Decomposers
Producers
Omnivores
23
The main source of energy for life on Earth is...
Volcanism
Ocean tides
Sunlight
Heat from the core
24
Locations that are closer to the equator generally have climates that are
The same all year
Extremely cold and dry
Seasonal, with wet and dry periods
Seasonal, with warm and dry periods
25
All organisms on Earth, including humans, are connected through nutrient cycles
True
False
26
Which is the most accurate representation of feeding relationships in ecosystems?
Food webs
Neither of these
Both of these
Food chains
27
Which climate phenomenon is caused by unequal heating of the Earth's surface?
Wind
Clouds
Ocean currents
Greenhouse effect
28
What process occurs when precipitation travels along the surface of Earth until it reaches a body of water?
Transpiration
Condensation
Runoff
Denitrification
29
The hydrosphere includes all water, ice, and water vapor on Earth.
False
True
30
What type of ecological pyramid is shown below?
Trophic pyramid
Pyramid of numbers
Biomass pyramid
Energy pyramid
31
According to this climograph...
this area has warm summers and cold winters
this area gets a lot of precipitation
Precipitation is even spread throughout the year
the temperature is the same throughout the year
32
A pyramid of numbers can tell you
the mass of plant matter found in an ecosystem
how many kcal of sunlight is used every day
the total population of secondary consumers
the percent of energy lost between trophic levels
33
North Dakota's most productive and important ecosystems are
Croplands
Rivers
Wetlands
Grasslands
34
Organisms that eat dead and decaying matter are known as
Secondary consumers
Decomposers
Detritivores
Tertiary consumers
35
Most photosynthesis occurs in the oceans.
False
True
