Ecosystem Interactions and Resource Dynamics

Mr. Smeeds introduces AP Environmental Science, focusing on ecosystems and species interactions. The video covers ecosystem basics, including individuals, populations, communities, and biomes. It explores species interactions like competition, predation, mutualism, and commensalism, with examples such as coral reefs and lichen. The concept of resource partitioning is explained, highlighting how species reduce competition by utilizing resources differently. The video concludes with a practice question on resource partitioning.

What is the term for a group of organisms of the same species living in a specific area?

• Biome

• Community

• Population

• Ecosystem

Which of the following interactions is considered a win-win situation for both species involved?

• Commensalism

• Mutualism

• Predation

• Competition

In the context of predation, what is the role of a giraffe eating leaves from a tree?

• Commensalist

• Parasite

• Herbivore

• True predator

Which type of symbiotic relationship involves one species benefiting while the other is unaffected?

• Predation

• Parasitism

• Commensalism

• Mutualism

What is the term for a symbiotic relationship where one organism lives inside or on another organism, often harming it?

• Mutualism

• Predation

• Parasitism

• Commensalism

Which of the following is an example of a mutualistic relationship?

• A lion hunting a zebra

• A bird nesting in a tree

• A tapeworm in a host

• Coral and algae in a reef

What is the main benefit of resource partitioning among species?

• Eliminates predators

• Reduces competition

• Increases competition

• Increases population size

Which type of resource partitioning involves species using the same resource at different times?

• Spatial partitioning

• Temporal partitioning

• Morphological partitioning

• Symbiotic partitioning

How do species benefit from morphological partitioning?

• By evolving different body features to use resources differently

• By using resources at different times

• By sharing the same space

• By forming symbiotic relationships

Which of the following is NOT a type of resource partitioning?

• Spatial

• Symbiotic

• Temporal

• Morphological