Food Chains
Food chains must begin with a...
consumer
This consumer eats only plants.
herbivore
This organism has the most energy in an energy pyramid.
producer
These ecosystems are on land, such as forests, grasslands, deserts, tundras, etc.
terrestrial
This is the term used for saltwater ecosystems.
marine
The arrows in a food chain represent the transfer of...
energy
carnivore
This consumer is the first to eat a producer. It is also an herbivore.
primary consumer
These ecosystems are in water.
Name one way humans negatively impact ecosystems.
deforestation, overfishing, introducing invasive species, or hunting large game
All of the energy passed between organisms ultimately comes from the ...
sun
This consumer eats meat and plants.
omnivore
This consumer eats primary consumers. It is also a carnivore.
This is the scientific term for living factors in an ecosystem.
biotic
This is found where saltwater from the ocean mixes with freshwater from lakes or rivers.
estuaries
Energy from the sun is absorbed by plants and stored where?
leaves
eat or consume other organisms
This consumer eats carnivores and or herbivores. It is as the top of an energy pyramid.
tertiary consumer
This is the scientific term for nonliving factors in an environment.
abiotic
The type of water found in estuaries, or where salt and fresh water meet.
brackish water
This is an interconnected set of food chains.
food web
This special type of consumer only eats dead organisms.
decomposers
As energy travels up the pyramid, there becomes more or less?
less
This percent of the world's water is freshwater.
3%
When the balance in an ecosystem is upset by disease, natural disaster, overpopulation, or human intervention, gaps are created in the food web. This could lead to what?
an overall decline in the entire ecosystem