stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Ecology Review Flashcards | StudBud
Explore
/
Ecology Review
Ecology Review
35 terms
·
StudBud Administration
·
332 plays
Review ecological principals
Flashcards
35 cards
F
Practice quiz
P
Host live
L
Questions
35
Answers
1
Which organisms break down remains of other organisms to return nutrients to the environment?
autotrophs
heterotrophs
decomposers
teachers
2
The branch of biology dealing with interactions among/between organisms & their environment is
ecology
environmental science
biology
biosphere
3
Why are trophic levels never more than 5 or 6 levels?
too much energy moves upward
too few consumers at the top
not enough energy makes it to the top
decomposers use to much energy
4
What is the carrying capacity in this graph?
cannot be determined by this graph
1.6 million
1.9 million
1.4 million
5
Which of the following organisms is a detritivore?
snail
crow
mushroom
catepillar
6
A sudden increase of resources into an ecosystem is called a/an ___.
biological increase
unlimted resources
resource pulse
carrying capacity
7
An energy pyramid shows that ____ of the available energy is passed to the level above it.
90%
100%
10%
50%
8
A camel is an example of a/an ____.
autotroph
chemotroph
tertiary consumer
heterotroph
9
Which element do ALL life forms in our biosphere contain?
potassium
carbon
hydrogen
oxygen
10
Abiotic factors that influence and shape ecosystems include ____.
bacteria, plants, and temperature
fungi & trees
sunlight, wind, and decomposers
climate, soil, sunlight
11
What changes atmospheric nitrogen into a form plants can use?
bacteria in peanut plant roots
bacteria in bean roots
lightning
all of them
12
Each of the following is an abiotic factor in the environment EXCEPT
rainfall
soil type
Mr. Grabski
temperature
13
All of the lions living and interacting on the Serengeti Plains in Africa are called ___.
herd
population
ecosystem
community
14
Groups of different populations that live together in a defined area are called
communities
species
ecosystems
habitats
15
Which of the following is a primary producer?
photoplankton
Mr. Grabski
bacteria
deer
16
Identify 1 food chain in this food web.
berries > butterfly > frog > snake
grasshopper > frog > snake > fox
plantain > snake > frog > buzzard
berries > butterfly > frog > dragonfly
17
The 1st level in this trophic pyramid (labeled A) contains ___.
producers
primary consumers
secondary consumers
tertiary consumers
18
An example of a biotic factor is
sunlight
competing species
soil type
average temperature
19
Which of the following is
NOT
true about matter in the biosphere?
The total amount of matter decreases over time
Matter cycles transform and reuse molecules
Matter is recycled in the biosphere
Water/nutrients pass between organisms and the environment
20
What are the nonliving components of an ecosystem called?
biotic
detritivores
abiotic
dead
21
Carbon cycles through the biosphere in all of the following processes
EXCEPT
transpiration
photosynthesis
burning of fossil fuels
decomposition of plants & animals
22
A word that means the same thing as
consumer
is
omnivore
producer
heterotroph
autotroph
23
A bird kills & eats an insect. Based on its behavior, which pair of terms describes the bird?
producer, heterotroph
herbivore. decomposer
carnivore, consumer
autotroph, herbivore
24
What is this process called?
photosynthesis
chemosynthesis
energy release
thermosynthesis
25
How do mostg primary producers make their own food?
by changing water into carbon dioxide
by breaking down remains to make carbon dioxide
by using chemical energy to make carbohydrates
by using light energy to make carbohydrates
26
The lowest level of environmetal complexity that includes living and nonliving factors is the
community
biome
biosphere
ecosystem
27
A deer is an example of a/an ___.
tertiary consumer
heterotroph
omnivore
autotroph
28
Ecology is the study of
the environment
interactions between organisms
interactions between organisms & their environment
biotic and abiotic factors
29
Which of the following is
NOT
a characteristic of life?
uses energy
respond to stimuli
can produce its own food
made of cells
30
A trophic pyramid that shows the total amount of matter in an ecosystem is called a/an
energy pyramid
number pyramid
population pyramid
biomass pyramid
31
Nitrogen fixation is carried out
primarily
by
humans
plants
lightning
bacteria
32
In photosynthesis what is the catalyst that converts CO
2
& H
2
O into carbohydrates & O
2
?
sunlight
steam
fertilizer
thermal energy
33
The largest population an ecosystem can support is called the
limiting factor
carrying capacity
resource pulse
monoculture
34
Which of the following shows levels of biological organization from largest to smallest?
population, species, tissues, organs
community, organism, tissues, population
cells, tissues, organism, population
biosphere, ecosystem, community, species
35
All the interconnected feeding relationships in an ecosystem make up a food
network
chain
interaction
web
