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In a salt marsh food web, the snails feed on a type of fungus that grows on the cord grass, they scrape and damage the cord grass. Blue crabs eat snails. What would MOST LIKELY happen if the number of blue crab suddenly decreased?
the transfer of matter and energy through the organisms in a food web
plenty of food resources
grass
The number of snails would increase and result in more damage to the cord grass.
grass
the sun
The organism is eating plants.
decomposers
What do the arrows in a food web represent?
the transfer of matter and energy through the organisms in a food web
plenty of food resources
grass
The number of snails would increase and result in more damage to the cord grass.
grass
the sun
The organism is eating plants.
decomposers
The removal of which organism would have the GREATEST effect on all remaining organisms any the food web?
the transfer of matter and energy through the organisms in a food web
plenty of food resources
grass
The number of snails would increase and result in more damage to the cord grass.
grass
the sun
The organism is eating plants.
decomposers
Patrick's class studied a forest food web. Which of these organisms can BEST turn dead plant and animal matter into substances that can be reused by the ecosystem?
the transfer of matter and energy through the organisms in a food web
plenty of food resources
grass
The number of snails would increase and result in more damage to the cord grass.
grass
the sun
The organism is eating plants.
decomposers
On an energy pyramid that includes hawks, snakes, grass, and mice, which organism has the largest population and is on the bottom of the pyramid?
the transfer of matter and energy through the organisms in a food web
plenty of food resources
grass
The number of snails would increase and result in more damage to the cord grass.
grass
the sun
The organism is eating plants.
decomposers
Near a pond, hawks feed on shrews, shrews feed on cattail plants. What is the original source of energy?
the transfer of matter and energy through the organisms in a food web
plenty of food resources
grass
The number of snails would increase and result in more damage to the cord grass.
grass
the sun
The organism is eating plants.
decomposers
How do you know that an organism is a first level consumer?
the transfer of matter and energy through the organisms in a food web
plenty of food resources
grass
The number of snails would increase and result in more damage to the cord grass.
grass
the sun
The organism is eating plants.
decomposers
Which would not be a limiting factors for a population of squirrels in a forest.
the transfer of matter and energy through the organisms in a food web
plenty of food resources
grass
The number of snails would increase and result in more damage to the cord grass.
grass
the sun
The organism is eating plants.
decomposers
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