Vocabulary
What level of environmental organization are 5 gray squirrels?
What is a population?
The ox bird hangs on the antelope and eats the bugs in its ears, ridding the antelope of parasites. Which symbiotic relationship is shown by the antelope and ox bird?
Mutualism
What is the process by which individuals that are better adapted to their environment survive and reproduce more successfully than others do?
Natural Selection
The base of the Energy pyramid is occupied by what feeding level and what percentage of energy is available
Producers have 100% energy
All the food chains start with this source of energy
What is the sun?
An organism that eats both plants and animals.
What is an omnivore?
Dogs host fleas which suck their blood and make them itch. The fleas get food and a home. What symbiotic relationship is shown between the dog and the flea?
Parasitism
All living components in an ecosystem.
biotic
The 2nd level of the Energy pyramid is occupied by what feeding level and what percentage of energy is available
Primary Consumers get 10% of the energy
The organism who is "food" for a predator.
prey
Organism that feed off of dead and decaying remains of producers and consumers
Decomposer
A hermit crab will take up an empty shell as a new home and the shell is unaffected. What type of symbiosis is shown between the hermit crab and empty shell?
Commensalism
A plastic bottle and soil are examples of __________ factors in an ecosystem.
abiotic
The 3rd level of the Energy pyramid is occupied by what feeding level and what percentage of energy is available
The secondary consumers get 1% of the energy
Organism that cannot make their own food
Consumer
The shrimp eats parasites, dead tissue, and mucus off of the fish, getting a meal, while the fish gets cleaned. What symbiotic relationship is shown between the fish and shrimp?
Mutualism
Fungi and bacteria are good examples of _______________
Decomposers
Body heat, hunting, movement, reproduction, eating, defense
Where is energy lost at each successive level in an energy pyramid (food chain)?
Name a limiting factor that would likely increase the population of a species?
Possible answers: more food, more water, more shelter, etc.
Organism that takes non-living matter and uses it to make food (energy) for itself with surplus for other organisms
Producer
The emperor shrimp attaches itself to the sea cucumber, saving energy since it doesn't have to swim. The cucumber gets nothing in return. What type of symbiosis is shown between the sea cucumber and emperor shrimp?
Commensalism
Two organisms changing together over time is called __________.
coevolution
Another name for the 4th trophic level (or 3rd consumer) in an energy pyramid.
tertiary
Name the ecological levels of organization from smallest to largest (start with "individual organism")
organism, populations, community, ecosystem, biome/biosphere