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Welcome to….
Name that Ecosystem!!!
4pt question
 Cougars are predators that often eat weakened or
diseased animals. This is a description of
the ____ of cougars.
 Niche
6 pt question
 Within a food chain, suppose 10, 000 units of
energy are available at the level of the grasses.
What is the total number of energy units
available by the time energy reaches a 3rd level
consumer like a coyote?
 10
2 pt question
 A ___________ is the part of the Earth that
supports life.
 biosphere
4 pt question
 Temperature, soil, water and sunlight are
examples of _____________ factors.
 abiotic
2 pt question
 A biologist is searching for a new plant-based
antibiotic. In which of the following types of
ecosystems would the biologist have the best
chance of finding new kinds of plants to use in
her research?
 Tropical Rain Forest
6 pt question
 Organisms with overlapping niches probably have
which type of relationship?
 a. commensal c.
mutualistic
 b. competitive d.
parasitic
 competitive
2 pt question
 What is the main source of phosphorous in an
ecosystem?
 Rocks, soil
2 pt question
 What is “soil type” to an earthworm?
 a. abiotic factor
c. biotic factor
 b. biome
d.carbon source
 Abiotic factor
4 pt question
 Determine the relationship:
 A tick becomes lodged on the skin of a hiker.
 parasitism
10 pt question
 Name a producer, primary consumer, predator
and a scavenger from the Lion King
 Grass/trees, antelope/zebra, lion, hyena
6 pt question
 What species is most likely to be the pioneer
species during primary succession?
 Lichen
4 pt question
 Trees cannot root in tundra biomes because of
the existence of ________________.
 Permafrost
4 pt question
 Which biome would you find a rhinoceros living
in?
 Savanna/ Grassland
2 pt question
 What is a waste product of the photosynthesis
process?
 Oxygen
6 pt question
 What is the easiest way to diagram predatory
and parasitic relationships between several
species?
 Food Web
6 pt question
 As the number of cheetahs drops, the number of
gazelles increases.
 This is an example of a ____________
____________ limiting factor.
 Density dependent
10 pt question
 Name 3 density-dependent factors.
 Disease, competition, parasites, predation, mate
availability
4 pt question
 According to Ecologists, All of the coniferous
forests in Canada represent which level of
organization?
 Biome/Ecosystem
6 pt question
 In what process do bacteria take nitrogen from
the air and convert it to a form usable by plants?
 Nitrogen fixation
4 pt question
 Which biome always has locations between the
Tropic of Cancer and the Tropic of Capricorn?
 Tropical rain forest
4 pt question
 Which biogeochemical cycle is least dependent on
biotic processes?
 a. carbon
c.phosphorus
 b. nitrogen
d. water
 Water
6 pt question
 Where is the greatest percentage of Earth’s
freshwater? (think hard)
 Glaciers
6 pt question
 Which of the following allows the flow of energy
through an ecosystem to happen?
 a. abiotic factors
c. evaporation
 b. cycling of nutrients
d. predation
 Predation
4 pt question
 One of the nutrient cycles moves from an
atmospheric gaseous form to the soil through
both abiotic and biotic processes, moves through
the food web, then is returned to the soil or to
the atmosphere. Which cycle fits this
description?
 Nitrogen
2 pt question
 What abiotic component is already in place at the
beginning of secondary succession?
 Soil
4 pt question
 The number of species in an area is a measure of
_________________
 Biodiversity
10 pt question
 What are the 3 characteristics of populations that
Ecologists study?
 Population Density, Population distribution and
Growth Rate
4 pt question
 A flowering plant has seeds that are carried by the
wind. Infer the most likely dispersion pattern of
the plants that grow from these seeds.
 Random
10 pt question
 What are 3 sources of carbon that is released into
the atmosphere
 Fossil fuels, respiration, decomposition
4 pt question
 What is the name given to decaying organic
matter?
 Detritus
4 pts
 What is the dispersion pattern of herding
animals, birds that flock together, and fish that
form schools?
 Clumped
10 pts
 List 3 ways a species may lose their habitat.
 Deforestation, pollution, fragmentation, logging,
clearcutting, eutrophication, urban sprawl
4pt question
 A fruit fly that has a short life span and produces
many offspring can be classified into which
reproductive strategy?
 R-strategist
6 pts
 What does a horizontal line on a population
graph represent?
 Carrying Capacity