What would happen if there was NO water in an ecosystem?
Both plants and animals would eventually die out.
Which three ecosystems contain saltwater organisms?
Ocean, Estuaries, Salt-Marshes
What two things makes an organism a decomposer?
1. It breaks down dead organisms
2. It returns nutrients to the soil
List three herbivores.
students lists at least three animals that only consume plants
What begins ALL Food Chains & Food Webs?
The SUN
Rain Forest
Which ecosystem could be described below:
Animals-snakes, lizards, coyotes
Plants-cactus, grasses, shrubs
Desert
Which classification of organism is responsible for the nutrients in the soil?
Decomposers
List three Carnivores.
student lists at least three animals that eat only meat
If OrganismB were to increase, which organism would decrease?
OrganismA-->OrganismB-->OrganismC-->OrganismD
OrganismA
What is the main difference between an ocean and a lake ecosystem?
An ocean has salt water & a lake has freshwater.
Which two terrestrial ecosystems are very dry?
Desert & Tundra
What is the main job of a producer in any given ecosystem?
1. Gets energy from the sun.
2. Makes their own food using photosynthesis
How would I classify a brown bear that eats a variety of foods including insects, small animals, and berries?
Omnivore
What would happen if both lions and tigers, who are both carnivores, move into the same ecosystem?
They would fight [COMPETE] for food.
What makes an ecosystem aquatic?
Water
What makes an ecosystem terrestrial?
Land
If an animal eats the remains of a dead animal, what type of consumer would he be?
Scavenger
A cheetah eats zebras & gazelles; what type of consumer would it be considered?
Carnivore
If an ecosystem loses producers, which classification or organism would first be affected?
Herbivores
What are the only two freshwater ecosystems?
Lakes & Ponds
Which ecosystem contains fertile soil, covered with tall grasses, bison, prairie dog, & grasshoppers?
Grassland
If there are no decomposers in an ecosystem, what would happen?
The ecosystems would have no nutrients.
There would be no plants.
Everything would die.
If I only eat shrubs and tall grass, what would I be considered?
Herbivore
Explain WHY the spotted owl population would decrease if there is a wildfire in a forest.
The wildfire would destroy all of the producers, then the herbivores would have nothing to eat. They would either die out or leave the area, and the spotted owl would do the same.