Miscellaneous
All the biotic and abiotic factors interacting together
Ecosystem
Another name for primary consumers
Herbivores
Nitrogen cannot be used by living things until it is "fixed" by this organism.
Bacteria
The type of succession that occurs when dirt/soil is still present
Secondary succession
Non-native organisms that can cause harm to the environment, economy, or human health
Tell us three examples of a density-dependent limiting factor
Food, water, space, disease
An organism that will eat both plants and animals
Omnivore
The worldwide increase in temperatures is called:
Global warming/climate change
The first organisms that will grow on rocks during primary succession.
Lichens
A type of relationship where one species benefits and the other is neither helped nor harmed
Commensalism
All the living things of the same species that live in an the same area
Population
What percentage of energy is LOST at each tropic level?
90%
Carbon dioxide is released into the atmosphere in many ways. Identify 2 of them.
Volcanic eruptions, breathing/respiration, pollution, decomposition of organic matter
The general term for the first organisms to inhabit an area after a disturbance
Pioneer species
Identify 2 ways humans have a negative impact on the environment
Pollution, cutting down trees, poaching, bringing non-native species to new locations
All the different populations of living things that live together in the same ecosystem
Community
Identify the secondary consumers in this food chain:
Grass, grasshopper, bird, snake, hawk
Bird, Snake
Humans contribute to the carbon cycle by:
Breathing, pollution
A stable ecosystem that's the final stage of ecological succession
Climax community
A lion stalks, hunts and kills an antelope. Based on this behavior, list three vocab terms that can be used to describe the lion.
Predator, Carnivore, Consumer
The maximum number of individuals that an ecosystem can support
Carrying capacity
Assume there is 1200 kcal of energy available to the primary consumers in an ecosystem. How much energy will be available to the tertiary consumers?
12 kcal
These two processes fuel the carbon cycle.
Photosynthesis and cellular respiration
Identify the correct order of growth during primary succession:
grasses/weeds large trees bare rocks
lichens shrubs
bare rocks, lichens, grasses/weeds, shrubs, large trees
What type of graph shows a population decreasing or stabilizing as it reaches the carrying capacity?
Logistical/S-shaped