Vocabulary
Energy Pyramids
Food Chains/Food Webs
Symbiotic Relationships
Cycles of Matter
100
All living factors in an ecosystem.
Biotic Factors
100
What organism(s) represent the largest trophic level?
Grasses, shrubs
100
What do the arrows in a food chain or food web represent?
Arrows represent how the energy is being transferred (who is eating who)
100
A symbiotic relationship that involves species having to fight for something they both need or want
competition
100
In an ecosystem, producers like plants provide resources for consumers. What else do producers supply to consumers besides energy?
A. Water and minerals
B. Light and sound
C. Oxygen and carbon
D. Soil and nutrients
C. Oxygen and carbon
200
All of the living things interacting with the nonliving aspects of the environment.
An ecosystem
200
In an energy pyramid, what is the proper name for ANY organism above the producer level?
Consumer
200
Name a predator-prey relationship
coyote - rabbit; spider - insect; hawks - seed eating birds
200
Mistletoe extracts water and nutrients from the spruce tree to the detriment of the spruce. What kind of relationship is this?
Parasitism
200
A gas produced by plants during photosynthesis that animals use for respiration. What is the gas and what cycle is it part of?
Oxygen; Carbon/Oxygen Cycle
300
A place where a plant or animal lives
Habitat
300
Only 10% of the energy available at each trophic level moves on to the next level. 90% is used by the organism or dissipated as _______________.
heat
300
Which of the following organisms has the most energy?
algae → krill → fish → seal
A. krill
B. seal
C. fish
D. algae
D. algae
300
When a mosquito bites you, you are the ___________ and the mosquito is the _____________ .
Host; Parasite
300
In the carbon cycle, carbon is transferred from animals to plants by which of the following:
A. carbon dioxide
B. oxygen
C. sugars
D. water
A. carbon dioxide
400
Interacting population of various kinds of individuals (as species) in a common location.
Community
400
What might happen if you remove a primary consumer from the ecosystem?
The number of plants would increase.
400
What might happen to the rabbit, insect, and seed-eating birds if grasses and shrubs were removed from the ecosystem?
The Herbivore populations would decrease.
400
The maximum amount of organisms that can survive in an ecosystem.
Carrying Capacity
400
Which correctly describes an event in the carbon cycle?
A. Animals take in carbon through respiration.
B. Plants release carbon through photosynthesis.
C. Plants and animals release carbon through decomposition.
D. Plants and animals take in carbon through combustion
C. Plants and animals release carbon through decomposition.
500
Rocks, Water, and Sunlight are examples of this type of factor.
Abiotic
500
Phytoplankton get their energy are _________________ and get their energy from ____________________.
producers; the sun
500
An organism that lives by breaking apart dead organic matter into simpler parts is
decomposer
500
Red-billed oxpeckers are birds that feed on parasites found on a impala. This is an example of what type of relationship?
Mutualism
500
Which of these is a role of plants in the carbon cycle?
A. Plants take in oxygen and release carbon dioxide.
B. Plants take in carbon dioxide and pass it directly to animals.
C. Plants take in carbon dioxide released by other organisms.
D. Plants use carbon dioxide to make nitrates.
Plants take in carbon dioxide released by other organisms.