Ecosystems Lesson 5 & 6: Food Webs & Organism Interactions

Front

What is predation?

Back

Predation is an interaction where one organism (the predator) eats another organism (the prey) for energy and nutrients.

Front

What symbols represent mutualism in organism interactions?

Back

The symbols for mutualism are +,+, indicating that both organisms benefit from the interaction.

Front

What is commensalism?

Back

Commensalism is a type of interaction where one organism benefits while the other is neither helped nor harmed.

Front

What is mutualism?

Back

Mutualism is a symbiotic relationship where both organisms benefit from the interaction.

Front

Give an example of mutualism.

Back

An example of mutualism is a wrasse fish feeding on parasites found on a black sea bass, benefiting both species.

Front

What is parasitism?

Back

Parasitism is a relationship where one organism benefits at the expense of another, harming the host.

Front

What is competition in ecosystems?

Back

Competition occurs when two or more organisms vie for the same resources, such as food, space, or light.

Front

How do food webs differ from food chains?

Back

Food webs are complex networks of feeding relationships among organisms, while food chains are linear sequences showing who eats whom.

Front

What role do producers play in an ecosystem?

Back

Producers, such as plants, convert sunlight into energy through photosynthesis, forming the base of the food web.

Front

What are consumers in an ecosystem?

Back

Consumers are organisms that obtain energy by eating other organisms; they can be herbivores, carnivores, or omnivores.