WorksheetsKeystone Species 101
Total questions: 20
Worksheet time: 40mins
Which of the following answer choices best fits the definition of a keystone species? (From Worksheet: Keystone Species 101)
any organism that is the glue that holds a habitat together
plants that help spread the energy of the sun
animals that are affected by other organisms and their activity
animals that have no significant contributions to an ecosystem
Which of the following answer choices best fits the definition of a keystone predator? (From Worksheet: Keystone Species 101)
impact other predators as well as other animal and plant species farther down the food chain
serve as a critical food source for predator populations
create, modify, or maintain the landscape around them
two or more species that engage in reciprocally vital interactions
producers that provide a critical source of food and/or shelter for other species
Which of the following answer choices best fits the definition of a keystone prey? (From Worksheet: Keystone Species 101)
impact other predators as well as other animal and plant species farther down the food chain
serve as a critical food source for predator populations
create, modify, or maintain the landscape around them
two or more species that engage in reciprocally vital interactions
producers that provide a critical source of food and/or shelter for other species
Which of the following answer choices best fits the definition of a ecosystem engineer? (From Worksheet: Keystone Species 101)
impact other predators as well as other animal and plant species farther down the food chain
serve as a critical food source for predator populations
create, modify, or maintain the landscape around them
two or more species that engage in reciprocally vital interactions
producers that provide a critical source of food and/or shelter for other species
Which of the following answer choices best fits the definition of a mutualist? (From Worksheet: Keystone Species 101)
impact other predators as well as other animal and plant species farther down the food chain
serve as a critical food source for predator populations
create, modify, or maintain the landscape around them
two or more species that engage in reciprocally vital interactions
producers that provide a critical source of food and/or shelter for other species
Which of the following answer choices best fits the definition of a keystone plants? (From Worksheet: Keystone Species 101)
impact other predators as well as other animal and plant species farther down the food chain
serve as a critical food source for predator populations
create, modify, or maintain the landscape around them
two or more species that engage in reciprocally vital interactions
producers that provide a critical source of food and/or shelter for other species
Which one of the following is not a broad cateogory keystone species? (From Worksheet: Keystone Species 101)
generalist
keystone prey
keystone predator
keystone plant
mutualist
Which one of the following keystone examples is a keystone predator found in the tidal pools of northwestern North America and was the species that launched Robert Paine’s keystone species concept? (From Worksheet: Keystone Species 101)
starfish
sea otters
beavers
wolves
elephants
Which one of the following keystone examples play a vital role in the health of coastal kelp forests? (From Worksheet: Keystone Species 101)
starfish
sea otters
beavers
wolves
elephants
Which one of the following keystone examples are ecosystem engineers that dramatically reshape the physical environment around them? (From Worksheet: Keystone Species 101)
prairie dogs
bees
beavers
wolves
elephants
Which one of the following keystone examples are a top predator whose presence has a ripple effect on the rest of its ecosystem especially keeping the elk populations in check? (From Worksheet: Keystone Species 101)
prairie dogs
bees
beavers
wolves
elephants
Which one of the following keystone examples consume as much as 300 pounds of vegetation per day? (From Worksheet: Keystone Species 101)
prairie dogs
bees
beavers
wolves
elephants
Which one of the following keystone examples are a keystone species that supports some 130-plus other species in the grasslands of central and western North America? (From Worksheet: Keystone Species 101)
prairie dogs
bees
beavers
wolves
elephants
Which one of the following keystone examples that support the reproduction of as much as 90 percent of the world’s flowering plants? (From Worksheet: Keystone Species 101)
prairie dogs
bees
beavers
wolves
elephants
Which one of the following ecosystems / biomes is home to a vital keystone prey called Krill? (From Worksheet: Keystone Species 101)
ocean ecosystem
desert biome
taiga biome
tundra biome
tropical rainforest
Which one of the following ecosystems / biomes is home to a vital keystone species called coral, which creates a habitat to support more than 300 invertebrates? (From Worksheet: Keystone Species 101)
ocean ecosystem
desert biome
taiga biome
tundra biome
tropical rainforest
Which one of the following ecosystems / biomes is home to a vital keystone species called the tortoise of the Mojave, which burrows and protects other animals? (From Worksheet: Keystone Species 101)
ocean ecosystem
desert biome
taiga biome
tundra biome
tropical rainforest
Which one of the following ecosystems / biomes is home to a vital keystone species called the snowshoe hare, which supports the dying Canadian lynx? (From Worksheet: Keystone Species 101)
ocean ecosystem
desert biome
taiga biome
tundra biome
tropical rainforest
Which one of the following ecosystems / biomes is home to a vital keystone species called the lemming, which feeds predators like the arctic fox? (From Worksheet: Keystone Species 101)
ocean ecosystem
desert biome
taiga biome
tundra biome
tropical rainforest
Which one of the following ecosystems / biomes is home to a vital keystone species called fig trees, which supports and feeds many organisms of its biome? (From Worksheet: Keystone Species 101)
ocean ecosystem
desert biome
taiga biome
tundra biome
tropical rainforest
