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Ecology
Ecology focuses on...
What are species which are vital to a community?
Ecology
30 terms
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StudBud Administration
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(chapter 3-6)
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
What are species which are vital to a community?
Predators
Prey
Herbivory
Keystone Species
2
Ecology focuses on...
ways to address environmental pollution and overpopulation
the relationship between economics and biology
how organisms relate to each other and their environment
how human activities affect the environment
3
Which is not a limiting factor?
natural disasters
predation
competition
mating partners
4
What is the loss of fertile soils from an area through the action of water or wind?
erosion
acid rain
desertification
monoculture
5
Which biome is home to more species than all other biomes combined?
tropical rain forest
boreal forest
mountains
temperate grasslands
6
A population which is made of mostly old adults is likely to experience...
slow growth
exponential growth
increasing growth
rapid growth
7
What is a detritivore?
catches their food
feeds only on plants
feeds on plant and animal remains and other dead matter
feeds on other animals
8
What will happen to a species if they do not have any limiting factors?
they will all experience a runaway population growth
they will all die out
they will all die out due to diseases from a mutation
they will all experience waves of population (fluctuation)
9
What does the unequal distribution of heat across the globe create?
weather
climate
greenhouse gases
wind and ocean currents
10
Which of the following is the best definition for science?
A method of asking testable questions based on hypothesises
A search for answers to questions about the natural world
A body of knowledge gathered through experiments
A process of accidental discoveries
11
Which is an example of a renewable resource?
coal
land
sunlight
natural gases
12
What is nitrogen fixation?
a process of converting carbon gas into carbon compounds
a process where compounds are passed on to other organisms
a process of converting nitrogen compounds to nitrogen gas
a process of converting nitrogen gas into nitrogen compounds
13
What is the difference between the photic zone and aphotic zone?
Photic zone has sunlight and aphotic has no sunlight
They are both the same
Neither has sunlight and photic is above aphotic
Aphotic has sunlight and photic zone has no sunlight
14
Desertification is the process through which...
a farmland is abandoned by humans and stops producing crops
an area with a dry climate turns into desert due to farming
a lush forst is destroyed by erosions
a desert becomes unsuitable for plants and animals
15
What is an estuary?
ecosystem where water covers the soil on the surface
dark layer of the oceans
kind of wetland formed where a river meets the ocean
organisms that live attached to or near the bottom of lakes
16
A resource that cannot easily be replenished by natural processes is called...
conserved
nonrenewable
common
renewable
17
What is an example of a symbioses relationship?
barnacles attached to a whale
a wolf attacking deer
giraffe eating trees
humans hunting fish
18
The max number of individuals an environment can support?
logistic curve
species capacity
max capacity
carrying capacity
19
What is the type of succession that takes place where remnants of previously ecosystems remain?
Secondary
Primary
Pioneer
Tertiary
20
Ecosystem biodiversity is...
the variety of habitats, communities, and ecosystems
the diversity of genetic information within all species
the number of species in an ecosystem
the diversity of behaviors among a species in a environment
21
Which type of organisms recycle nutrients in a food web?
phytoplankton and zooplankton
heterotrophs
decomposers
detritivores
22
What is the range of conditions in which a species survives and is able reproduces?
niche
habitat
community
tolerance
23
What is it called when each generation is double the size than the one before it?
steady growth
logistic growth
exponential growth
standard growth
24
What are biogeochemical cycles powered by?
gas
energy
light
coal
25
What is the type of succession that begins where no remnants of an older community?
Tertiary Succession
Pioneer Succession
Primary Succession
Secondary Seccession
26
Which is not a biome?
mountains
desert
tundra
rainforest
27
What is the difference between biotic and abiotic?
Biotic is non-living and abiotic are non-living
Biotic is living and abiotic are non-living
Biotic are humans and abiotic are all other organisms
There is no difference
28
about __% of energy available within a trophic level is transferred to the next trophic level?
100%
20%
50%
10%
29
What is the difference between weather and climate?
climate is day to day and weather is over time
they are the same thing
weather is daily and climate is weekly
weather is day to day and climate is over a period time
30
How do autotrophs feed themselves?
They capture other organisms
They capture energy through the ground
They scavenge for already dead animals
They capture energy from sunlight or chemicals
