Cycles of Nature
Which of these is not part of the water cycle: precipitation, transpiration, decomposition, or evaporation?
decomposition
Starfish live in shallow pools or deep ocean waters. This describes their _____.
habitat
Consumers that eat both plants and animals are called _____.
omnivores
Mutualism, commensalism, and parasitism are types of _____.
symbiotic relationships
All organisms of the same species in an area make up a _____.
population
Nitrogen returns to the abiotic environment mainly through death and _____.
decay
Which biome is extremely cold and dry?
tundra
In an energy pyramid, which level has the most energy?
producer level
When a flea lives on a dog, the dog is the _____.
host
All the different populations that live together in an area make up a _____.
community
Which cycle involves photosynthesis, respiration, burning fossil fuels, and decomposition?
carbon cycle?
The soil that stays frozen year-round in the tundra is called _____.
permafrost
If grass → mouse → kestrel, the kestrel is a _____.
second-level consumer
(Secondary Consumer)
Jellyfish sting and eat fish. The fish is the _____.
prey
Wind, rocks, and humidity are examples of ____ factors.
abiotic factors
The process by which certain bacteria convert nitrogen gas into a usable form is called _____.
The process by which certain bacteria convert nitrogen gas into a usable form is called _____.
Which biome receives less than 25 cm of rain per year?
desert
How much energy is usually lost as heat at each trophic level?
about 90%
The E. coli in your intestine help you digest food. This is an example of _____.
mutualism
The role an organism plays in its environment is its _____.
niche
List two ways water enters the atmosphere
evaporation and transpiration?
A hawk building its nest on a cactus without harming it is an example of _____.
commensalism
Suppose producers start with 10,000 energy units. How much is lost by the time it reaches the owl?
9,990 Units
A shark’s powerful jaws are an example of _____.
predator adaptation
The gradual, natural change in ecosystems over time is called _____.
succession