Ecology Review.

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Presentation transcript:

Ecology Review

1 Name the levels of organization within the environment from most specific to most general (omit “species”)

Answer Individual, population, community, ecosystem, biome, biosphere

2 Define community

Answer Collections of populations living together in the same area

3 Define biosphere

Answer The layer of living things and the space they inhabit that circle the globe

4 To which trophic level would an oak tree belong?

Answer The first trophic level

5 Name a tertiary consumer in this food web.

Answer Fox, owl, snake

6 Use 2 vocab words to describe the plants in an ecosystem

Answer Producer, autotroph

7 What is the term used to describe the growing concentration of a poisonous compound up a food chain?

Answer Biomagnification

8 A plant contains 5000 units of energy. A grasshopper eats the plant, a frog eats the grasshopper, a snake eats the frog, and a hawk eats the snake. How much of the plant’s energy was transferred to the hawk?

Answer 0.5 units

9 Why does only 10% of an organism’s energy pass to the next trophic level?

Answer Poop, respiration, the organism uses the energy

10 The number of individuals in a given area is called:

Answer Population density

10 Our classroom is 100 m2 What is the population density of our classroom?

Answer

11 Global warming is a density ____ factor Disease is a density ____ factor

Answer Independent Dependent

12 What kind of relationship? A soybean plant and nitrogen fixing bacteria

Answer Mutualism

13 What kind of relationship? Cheetah and a gazelle

Answer Predation

14 What kind of relationship? Two trees growing next to each other in a forest

Answer Competition

15 The role an organism plays and the resources it uses is described as a…

Answer Niche

16 Draw a logistic growth curve

Answer

17 What is the maximum number of individuals an ecosystem can sustain?

Answer Carrying capacity

18 A volcano erupts and lava flows over a piece of land. What would happen over the next several hundred years in that area?

Answer Primary succession

19 List 2 things that could cause secondary succession to begin in an area

Answer Forest fire, over grazing, avalanche, landslide, ash volcano, natural disaster

Other Information Predator Prey Ozone & Topics discussed in the 3 sections of the book Survivorship curves Age Structure Graphs See Objective Sheet