Food Webs
What do arrows in a food web represent?
The flow of energy.
What is the primary source of energy for all ecosystems?
The Sun.
A living thing that makes its own food is called-
A producer.
What is matter flow?
The movement of material through an ecosystem, such as through food chains and food webs.
Many different food chains found in one place is a-
Food Web
What do plants release that is essential for animals to breathe?
Oxygen
What type of consumer eats only plants?
Herbivore.
Define an organism.
Any living thing.
How do decomposers fit into food webs?
They break down dead organisms and recycle nutrients.
What is the process called where plants make their own food?
What do we call an animal that eats both plants and animals?
Omnivore.
Name an example of a decomposer.
Fungi or bacteria.
What happens when an organism is removed from an ecosystem?
The population of its prey or predator may grow excessively, disrupting the balance.
What is the main form of matter than contributes to a plant's mass?
What is a decomposer?
A living thing that breaks down dead organisms.
Tiny openings on plant leaves that take in carbon dioxide and release oxygen are called-
Describe what might happen to a food web during a natural disaster that blocks sunlight.
Plants may die without sunlight, leading to food shortages for herbivores and subsequently for carnivores.
Why can all food be traced back to plants?
Plants are producers that create energy through photosynthesis, forming the base of food chains.
Why are decomposers important to ecosystems?
They recycle nutrients back into the soil for plants to use.
Describe how consumers depend on producers in an ecosystem.
Consumers rely on producers for energy and food, as producers convert sunlight into usable energy through photosynthesis.