Ecology Review Questions.
- What is the maximum number of steps in a food chain?
- What advantage is it to have a short food chain?
- What is a niche?
- Nitrogen fixing bacteria are associated with what plants?
- What do you call a group of similar organisms from the same locality?
- Name a source for atmospheric nitrogen.
- What is the most abundant gas in the atmosphere?
- What do you call the place where an organism lives?
- What is a pyramid of numbers?
- What is weathering?
- Name the trophic levels and give an example of each.
- What is a food chain?
- What is a food web?
- What is the symbiotic relationship between a legume and its nitrogen fixing bacteria called?
- What is the symbiotic relationship between a termite and its cellulose eating protozoa called?
- What is the symbiotic relationship between a host and a natural parasite called?
- What was the big mistake made at Kaibab?
- Be able to identify the different age pyramids: stable, declining and expanding population.
- What is the formula for biotic potential?
- What keeps a population from over reproducing?
- Name the seven stages of a sigmoid growth curve.
- What is the difference between a sigmoid growth curve and a "j shaped growth curve?
- Name the three survivorship curves and what they represent.
- Name the six biological seasons and what happens in each.
- What kind of biological cycle is shown by grunion?
- Give an example of an inherent rhythm.
- What is the difference between primary and secondary succession?
- Be able to identify the symbiotic relationships and know examples of each.
- What is a sere?
- What is a serial stage?
- What is a Disclimax?
- Can succession be controlled?
- What is an Ecotone?
- What is the "edge effect?"
- What is the species - numbers relationship?
- How does "layering" in a community allow it to become more stable?
- Name the useful kind of fire?
- How are redwoods affected by fire?
- Hygroscopic water is associated with what type of soils?
- What is an ecological indicator?
- Name some of the benefits of fire.
- What is Liebig's Law of the Minimum?
- What is Shelford's Law of Tolerance?
- How can a terrestrial poikilotherrn regulate its body temperature?
- What are the sources of oxygen in water?
- What are the sources of carbon dioxide in water?
- In which soil horizon does mineralization take place?
- In which soil horizon is the bulk of organic life found?
- Which horizon indicates the productivity of that environment?
- Name the habitat (grassland, deciduous forest, coniferous forest) would have the thickest "A" horizon?
- Which habitat (grassland, deciduous forest, coniferous forest) should not be used for agriculture do to its fragile nature?
- What are the qualities of light that make it a Limiting factor?
- What are some of the benefits gained from the light duration studies?
- What are the properties of water and their associated gas absorption values?
- What is the difference between an extrinsic and an intrinsic factor?
- Name an animal which migrates just to reproduce.
- What is the social structure in a "pecking order?"
- How does the social hierarchy help to stabilize a group of animals?
- How does territory influence the behavior of animals?
- What is the symbiotic relationship between the pronuba moth and the yucca plant?
- Give the correct sequence for nitrogen build up by soil bacteria in the soil starting with Urea (urine).
- Name the kind of decomposer one would find in the soil.
- What is known as Gause's principle?
- Name the three kinds of successional climaxes.
- Why are high temperature more damaging than low temperature to organisms?
- Light sensitive seeds show the greatest germination in what wavelength of light?
- What group of plants/algae have shown the effect of wavelength on their distribution?
- What is the relationship between temperature of the air and the amount of moisture it can hold?
- What are the effects of photoperiods on birds?
- How does photoperiod affect people?