Food chains and Web- ECOSYSTEM

_________________ help an ecosystem by converting dead organisms back into soil nutrients

When there are too many predators in a habitat, all of the following can happen except...

• The predator's food source will run out

• The predators will be forced to leave the habitat

• The predators will become herbivores

• The predators will be forced to hunt other carnivores

If there are too many primary consumers (herbivores) and not enough predators, what is most likely to happen?

• The herbivores will attack each other

• The herbivores will become carnivores

• The herbivores will eat all of their food source

• The few predators will become invasive species

All of these are part of a forest ecosystem, except...

• squirrels

• cactus

• wolves

• Pine tree

All of these are part of a desert ecosystem, except...

• Hawk

• Snake

• squirrel

• sage brush

In this food chain, the arrows represent...

• who eats who in the food chain

• rankings of animal importance

• the flow of energy

• how many plants there are vs. animals

All energy starts with the ____________

• Consumer

• Producer

• Decomposer

• Sun

Which of these is correct from largest to smallest

• Earth> Biome>Habitat>Ecosystem

• Earth>Habitat>Ecosystem>Biome

• Earth>Biome>Ecosystem>Habitat

The growth of plants in water is called...

• Aquagriculture

• Hydroagriculture

• Hydroponics

• Aquaponics

A plant or animal introduced to an ecosystem that can disrupt the natural cycle is called...

• A predatory species

• An invasive species

• A foreign species

• An A-typical species