Energy flow
Symbiosis
Food Webs/Food Chains, Energy Pyramids
Ecosystem Relationships
Vocabulary/Human Impact
100
What do the arrows in food webs represent?
The direction the energy flows
100
What are the 3 types of symbiosis?
Mutualism, parasitism, and commensalism
100
Food webs are made from _________ __________ that overlap
Food chains
100
What are limiting factors?
Anything that can limit or stop the growth of a population
100
True or False: A producer is also known as an autotroph. Autotrophs are capable of which important process?
True, photosynthesis
200
The organisms at the top of the food web are called ___________.
Apex predators
200
Bees feeding on nectar and pollinating the flower is an example of what type of symbiotic relationship.
What is mutualism?
200
All plants and animals in an area make up a ____________
What is an ecosystem?
200
Bees and flowers share a relationship in which bees feed on nectar from the flower and bees pollinate the flowers and they fly from flower to flower. Which of the examples below is most similar to the relationship between the bee and the flower?
A. Clownfish gain protection from predators by living among the stinging tentacles of sea anemones, while the anemones are cleaned by the clownfish and receive nutrients from their waste
B. Bears and wolves live in the same habitat and have similar types of prey, such as moose and elk
C. Tapeworms live in the digestive tract of animals, absorbing nutrients from their host.
D. Remora fish attach themselves to sharks, gaining a free ride and access to food scraps, while the shark is not significantly affected
A
200
Fungus, and bacteria break down waste, dead plants, and animals for food are called what?
decomposers
300
Only about ___% of the energy in each trophic level flows to the next trophic level
10%
300
A tick living on a dog is an example of what type of symbiotic relationship?
What is a parasite?
300
All food webs start with _____________
Producers
300
Disease, availability of resources, natural disasters, increased predation are all examples of ___________ ___________.
limiting factors
300
An organism that eats producers
What is a primary consumer?
400
List the quinary (5th) consumer(s) in this food web
Killer whale
400
A barnacle on a whale is an example of what type of symbiotic relationship.
What is commensalism?
400
True/False: Energy increases as you go up an energy pyramid
False
400
What is the difference between predators and parasites?
Predators capture and kill animals while parasites do not always kill their hosts
400
The development of canals and dams have changed the flow of water all around the U.S. This can increase the rate of erosion among other negatuve effects. What do you think is the most significant impact of the construction of canals and other structures that change the role of water?
A. Plants are now migrating towards the canals and structures
B. Wildlife is thriving due to the construction of the canals
C. Some areas have become much dryer because of the lack of water flowing through them that are now being redirected by the canals
D. reduction of water leads to better soil quality
C
500
Which organisms would be MOST affected if the seaweed in this food web went extinct?
Crabs, squids, penguins, elephant seals
500
In order to be considered a symbiotic relationship, it needs to have these factors:
- close long-term relationship
-between 2 (different) species
-involves and exchange of food/energy
500
Which of the following is a tertiary consumer in this food web?
A. phytoplankton
B. seagull
C. blue whale
D. killer whale
B. seagull
500
If all the decomposers in a food web disappeared, what would be most likely to happen?
A. There would be too much dead organic matter in the food web
B. Plants would overgrow
C. Animals would overgrow
D. There would be no significant consequence
A
500
While desertification is the development of desertlike conditions in which crops CANNOT grow anymore, ______ occurs when land is overfarmed or overgrazed and decreases soil quality
erosion