ecology |
Scientific study of interactions among organisms and between organisms and their environment |
Ecology focuses on the transfer of _____________ |
energy |
a group of organisms belonging to the same species living in the same place make up a __________________ |
population |
Several populations interacting with one another in a particular environment make up a _______________ |
community |
Some beetles break down the remains of dead animals. Some mushrooms breakdown the remains of dead trees. How do these actions most benefit plants? A) By returning nutrients to the soil |
A |
An environment’s biotic and abiotic factors interact to make a(n) |
B |
Biotic means |
A |
Abiotic means A) Living |
B |
Which of the following is an example of a biotic factor? A) Sand |
C |
The role of an organism within its environment is known as its |
D |
A herbivore is an organism that eats only meat. |
B |
Organisms that make their own food with sunlight or chemical energy are called |
A |
A(n) ____________ is made up of a group of ecosystems that share similar characteristics. |
biome |
Many types of plants grow in a forest ecosystem. How do plants affect the air that forest animals breathe? |
D |
An animal that eats both plants and animals is called a |
D |
Organisms compete for all of the following except |
C |
An organism which lives on or in another organism and derives its nutrition from that organism would be a |
C |
The ___________ is defined as where an animal lives. |
B |
An organism which lives on or in another organism and derives it nutrition from that organism would be a . |
C |
In the nitrogen cycle, nitrogen is fixed by |
D |
What do you call an animal that eats herbivores? |
C |
Which best describes the purpose of a food chain? |
D |
A biome is: |
C |
Place the following levels of organization in order from simplest to most complex: ecosystem, biosphere, community, organism, biome, population |
organism –> population –> community –> ecosystem –> biome –> biosphere |
What breaks down dead plants and animals? |
A |
Animals that eat already-dead animals are called: |
B |
Another word for producer is __________ |
autotroph |
Another word for consumer is ____________ |
heterotroph |
What trophic level consumes only producers? |
primary consumers |
All of the following are abiotic factors in an ecosystem except |
C |
Why does a food chain begin with plants? |
D |
In the process of nitrogen fixation, atmospheric nitrogen is converted into _______________ |
usable nitrogen (ammonium) |
What organisms can act as decomposers? |
bacteria, fungus, and protists |
What organisms are able to use atmospheric nitrogen and convert or "fix" it into a usable form? |
bacteria |
Where do producers get their energy? |
the sun |
What does this illustration depict? |
Energy transfer through trophic levels |
What happens to energy and biomass as you move up the pyramid? |
Decreases |
If the level occupied by phytoplankton contained 700 of energy, how much energy would you find at the level occupied by carnivorous fish? |
.7J |
If phytoplankton contains 100% of the energy, how much energy would the level of carnivorous fish contain? |
.1% |
If phytoplankton contain 100% of the energy, how much energy would the level of herbivorous zooplankton contain? |
10% |
Which factors increase the size of a population? |
a |
The relationship that exists between moose and wolves can be best described as… |
b |
If fish are caught faster than they can breed, the population will |
a |
A stable ecosystem includes . |
d |
A stable ecosystem is made up of a wide range of micro-organisms, plants, and animals. |
a |
What is the term for a group of organisms of the same species in a particular area? |
c |
All the biotic and abiotic factors in a pond form a (an) |
b |
Which biome has the least amount of precipitation? |
c |
Ecology
Share This
Unfinished tasks keep piling up?
Let us complete them for you. Quickly and professionally.
Check Price