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Biology Ch 3-4 Unit 2 Test Review Flashcards | StudBud
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Biology Ch 3-4 Unit 2 Test Review
Biology Ch 3-4 Unit 2 Test Review
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Ecology, energy, nutrient cycles
Flashcards
33 cards
F
Practice quiz
P
Host live
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Questions
33
Answers
1
Bacteria in the soil convert N2 from the atmosphere into ammonia through the process of
Photosynthesis
Nitrogen fixation
Transpiration
Denitrification
2
What are the 3 types of ecological pyramids
energy, biology, numbers
energy, biomass, nickels
energy, biomass, numbers
exit, biomass, numbers
3
An organism that has a huge impact on the structure of an ecosystem is called a(n)
Keystone species
Secondary consumer
Primary producer
Climax community
4
Biotic factors in an organisms enviornment include
living factors
sunlight
water
nonliving factors
5
It is true that matter ________ and energy ______.
Cycles, flows
Flows, cycles
Flows, flows
Cycles, cycles
6
A group of ecosystems that have the same climate, plants, and animals is a
community
supersystem
population
biome
7
What are the products of photosynthesis?
carbon dioxide, water
water, oxygen
energy, glucose
glucose, oxygen
8
What compounds begin cellular respiration?
oxygen, glucose
oxygen, glucose, energy
oxygen, water, energy
carbon dioxide, water, energy
9
Photosynthesis...
Can happen on land or in the ocean
Is only performed by autotrophs
Is only performed by heterotrophs
Can only happen on Land
10
Water is given off through plants' leaves as a byproduct of photosynthesis in this process
Precipitation
Transpiration
Condensation
Runoff
11
When water falls from clouds in the form of rain, sleet, snow, or hail, it is called
Transpiration
Evaporation
Precipitation
Nitrogen fixation
12
Which level of the ecological pyramids do non-vegetarian humans occupy?
Primary consumers (second)
Primary producers (first)
Secondary consumers (third)
Tertiary consumers (4th)
13
What type of food creation requires sunlight?
Chemosynthesis
None of these
Nitrogen fixation
Photosynthesis
14
Organism that survives at the expense of another
Parasite
Producer
Scavenger
Host
15
A major point in studying ecology is that
Nonliving things do not affect the environment
All living things are connected
All living and nonliving things are connected
Humans have no effect on the biosphere
16
The process that takes carbon dioxide out of the air and replenishes oxygen is
Nitrogen fixation
Photosynthesis
Cellular respiration
Condensation
17
Nutrient cycles that travel through both living and nonliving parts of an ecosystem are...
Geologic
Biogeochemical
Chemical
Biological
18
What type of ecological pyramid is shown below?
Pyramid of numbers
Energy pyramid
Biomass pyramid
Trophic pyramid
19
The water cycle...
includes Photosynthesis and Cellular respiration
Ceases to occur in the winter
Is the most important cycle in the biosphere
includes transpiration, runoff, and precipitation
20
A pyramid of numbers can tell you
the total number of secondary consumers
how many kcal of sunlight is used every day
the percent of energy lost between trophic levels
the mass of plant matter found in an ecosystem
21
When gaseous water vapor loses energy and becomes a liquid it is..
Condensation
Runoff
Photosynthesis
Evaporation
22
How much energy is passed on between trophic levels, on average?
50%
90%
10%
25%
23
Energy flows from
hawk to the snake
hawk to mouse
grass to hawk
mouse to the grass
24
A group of individuals that belong to the same species and live in the same area are a(n)
population
community
organism
species
25
A rabbit being hunted and eaten by a fox is an example of
Parasitism
Predation
Mutualism
Competition
26
These organisms break down organic matter, harnessing the energy stored in chemical bonds
Omnivores
Detritivores
Decomposers
Producers
27
Ecosystems...
Cannot be disturbed once they reach the climax stage
Stay the same year after year, without disturbance
Can always recover from human-caused disturbances
Are constantly changing through the process of succession
28
Organisms that eat dead and decaying matter are known as
Decomposers
Detritivores
Tertiary consumers
Secondary consumers
29
Which line represents the predator?
None
Orange line
Both lines
Green line
30
The main source of energy for life on Earth is...
Sunlight
Ocean tides
Heat from the core
Volcanism
31
Three types of symbiotic relationships
parasitism, mutualism, commensalism
competition, mutual, symbiosis
predation, mutualism, commensalism
mutualism, parasitism, commitment
32
This process occurs when bacteria break down matter, getting energy and excreting nitrogen gas
Photosynthesis
Transpiration
Denitrification
Nitrogen fixation
33
Which is faster in an ecosystem?
Secondary succession
They are the same
Primary succession
Depends on the situation
