stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Ecology Flashcards | StudBud
Explore
/
Ecology
Ecology
35 terms
·
StudBud Administration
·
37 plays
Ecology Review - Energy, Matter and Succession
Flashcards
35 cards
F
Practice quiz
P
Host live
L
Questions
35
Answers
1
Individuals that need the same light, food or space will do this.
Move
Compete
Share
Die
2
Which of the following would increase the population of a species?
birth rate larger than death rate
increasing hunting
diseases and parasites
human development and habitat loss
3
All organisms of one species
individual
ecosystem
population
community
4
The graph shows a population exhibiting...
carrying capacity
exponential growth
logistic growth
type 1 mortality
5
A biome characterized by succulent plants, low levels of precipitation, and cold evening temps.
taiga
desert
temperate grassland
tundra
6
Which trophic level generally has the greatest biomass?
all
last
second
first
7
Energy source for most ecosystems on Earth.
Earths core
Fire
Sun
Oil
8
plant>snail>frog>fox is an example of a
food web
food chain
food pyramid
9
The first species to inhabit an area after a disaster is called a
pioneer species
primary species
secondary species
conquistador species
10
How much energy is there at the 3rd trophic level if the producers have 2000 J?
20 J
2 J
2000 J
200 J
11
Which trophic level in a food chain has the least amount of energy available?
highest
producer
lowest
all
12
A density independent factor is
food availability
a hurricane
disease
water availability
13
What type of dispersion is shown here?
clumped
random
uniform
14
Which population is growing the fastest?
France
India
15
What would be a result of a decrease in grasshoppers?
increase in rat population
increase in frog population
Increase in corn population
decrease in frog population
16
Process that turns radiant energy into chemical energy
Cellular respiration
Combustion
Photosynthesis
Nuclear
17
What do the arrows indicate in this picture?
predation
energy transfer
mutualism
parasitism
18
High energy product of photosynthesis
glucose
oxygen
carbon dioxide
water
19
A population of 5 deer inhabit a field that is 10 by 10 meters. The population density is
.05 deer/ m2
5 deer/ m
5 deer/ m2
.05 deer/ m
20
Another name for a primary consumer is?
herbivore
producer
carnivore
21
Trees on RB campus exhibit what type of dispersion?
random
uniform
clumped
22
Plants fix CO
2
into organic molecules we can use for energy. What cycle shows this?
Carbon
Nitrogen
Water
23
Organisms on the first trophic level are called
producers
primary consumers
decomposers
top carnivores
24
If a population has enough resources for all individuals & birth rate=death rate it has reached
positive growth rate
negative growth rate
carrying capacity
exponential growth
25
This type of succession occurs where no life was before
tertiary
secondary
primary
26
A biome characterized by large amounts of precipitation, tall trees, and colorful birds.
taiga
temperate forest
savanna
rainforest
27
Trees are an example of this kind of organism
Consumer
Producer
Decomposer
28
Which of the following is a consumer?
monkey
algae
worm
lettuce
29
A tick living on a dog is an example of which relationship?
mutualism
parasitism
predation
comensalism
30
All of the organic material in an ecosystem
population
abiotic factors
plant mass
biomass
31
Bacteria living in the soil and roots of legumes undergo____ which converts N
2
gas to nitrates
cellular respiration
photosynthesis
carbon fixation
nitrogen fixation
32
The role of an organism in an ecosystem is its
home
habitat
ecosystem
niche
33
Parts of an ecosystem such as sunlight, water and rock
abiotic
exotic
biotic
34
Bacteria that live in our large intestine and produce vitamin K for us are an example of
mutualism
commensalism
predation
parasitism
35
There are 2 deer, 1 mouse, and 4 squirrels in a population. Species richness is
2
7
4
3
