Vocabulary
Which of the following is a biotic factor(s) and which of the following is an abiotic factor(s)?
a. temperature
b. air
c. rocks
d. sea snail
Biotic - d.
Abiotic - a, b, c
An ecosystem contains two components. What are these two components? HINT: factors
Biotic and Abiotic
Is this predation or competition?
Two zebras are being chased by a pride of lions.
Predation
A plant, being eaten by a herbivore which in turn is eaten by a carnivore is an example of:
a. food chain
b. web of food
c. omnivores
d. interdependence
a. food chain
What do the arrows in a food web show?
The arrows show the direction of the flow of energy in a food chain.
What is a decomposer?
An organism that breaks down dead plants or animals.
A Tertiary consumer eats...
secondary consumers
Is this predation or competition?
Two grizzly bears are fighting near a river of salmon.
competition
The correct sequence of food chain is:
a. bacteria- grass- rabbit- wolf
b. grass- snake- insect- deer
c. grass- wolf- deer- buffalo
d. grass- insect- birds -snake
d. grass- insect- birds -snake
producers, consumers, decomposers
What is a producer/autotroph?
An organism that produces its own food.
A primary consumer eats a ________ in a food web/chain
producer
A leech grabs onto a human while in the water and sucks the blood out of the human. The leech can carry diseases and cause harm to the human.
Which of the following is the secondary consumer?
algae -> clownfish -> barracuda -> great white shark
barracuda
Define an omnivore
An organism that eats both meat and plants
Which of the following is an autotroph?
sunflower -> cardinal -> raven -> hawk
sunflower
Is this parasitism, commensalism, or mutualism?
A clownfish lives in the sea anemone. While the sea anemone protects the clownfish from predators with its sting, the clownfish protects the sea anemone from other fish.
Which of the following is the tertiary consumer?
plant -> rabbit -> bobcat -> coyote
coyote
Decomposers play an important role in the cycling of energy in an ecosystem. What is their primary function?
a. To provide most of the energy to consumers.
b. They produce their own food for survival.
c. They break down dead organisms to return nutrients to the soil.
d. They use the sun to create energy.
c. They break down dead organisms to return nutrients to the soil.
What do consumers do?
Consumers eat meat/other animals
What are three types of consumers?
Omnivores, Herbivores, and Carnivores
Is this parasitism, commensalism, or mutualism?
A catus wren (our state bird) lives inside of a Saguaro cactus. The cactus wren builds a nest inside of the Saguaro for protection and it does not harm the Saguaro.
Commensalism
What is the difference between a food web and food chain?
A food chain shows a direct path of animals consuming each other where a food web shows a more complex and variety of food chains.
Which option below shows the correct combination of organisms within an ecosystem?
a. Coyote, Shark, Plankton, Bass Fish
b. Trees, Rabbits, Frog, Jaguar
c. Cacti, Insects, Starfish, Hawk
d. Grass, Mouse, Snake, Hawk
d. Grass, Mouse, Snake, Hawk