Ecosystems and Systems
What does an ecosystem include?
living and nonliving things
Where do plants get most of their matter?
air (carbon dioxide) and water
The sun
What do plants take in from the environment?
Carbon dioxide
Plants make their own food using sunlight in a process called
photosynthesis
What are examples of living things
plants, animals, and bacteria
Light
What is a producer?
Plants that make food through photosynthesis
What do plants release into the environment?
oxygen
The main source of energy for all life on earth
Sun
What are examples of nonliving things?
water, air, sunlight and soil
What is the role of decomposers in an ecosystem?
They break down dead plants and animals and return nutrients to the environment.
They eat other organisms for energy
What do animals take in from the environment?
Oxygen
Plants are also known as___________because they make their own food
Producer
What makes up a healthy ecosystem?
Producers, consumers and decomposers that depend on each other
What are examples of decomposers?
bacteria. fungi and worms
They return nutrients to the soil or water
What do animals release into the environment?
Carbon dioxide
waste and dead matter would build up
In what system do plants and fish help each other
An acquaphonics system
What is another word for matter?
mass
What the primary consumer in the food chain
Grass>Rabbit>Hawk
How could plants help animals by releasing oxygen
animals have more oxygen to breathe in
In an aquarium, plants get nutrients mainly from __________.
fish waste and decayed matter