Ecosystem Interactions and Biomes

The video tutorial covers the characteristics of ecosystems and biomes, including the roles of biotic and abiotic factors. It explains community interactions such as competition, predation, and symbiosis, detailing mutualism, commensalism, and parasitism. The tutorial also describes various biomes, their climates, and examples of animals that inhabit them.

What is a biome?

• A specific environment with distinct climate and species

• A nonliving component of an ecosystem

• A type of ecosystem

• A group of interacting organisms

Which of the following is an abiotic factor?

• Bacteria

• Water

• Animals

• Trees

What is the role of biotic factors in an ecosystem?

• They determine the climate

• They influence the survival of organisms

• They provide nonliving resources

• They are unrelated to ecosystems

What is competition in a community?

• When organisms live in harmony

• When organisms fight for the same resource

• When organisms share resources

• When organisms avoid each other

Which interaction involves one organism benefiting while the other is unaffected?

• Predation

• Parasitism

• Commensalism

• Mutualism

In which type of symbiosis do both species benefit?

• Mutualism

• Predation

• Commensalism

• Parasitism

What is a major factor that defines a biome?

• The number of species

• The climate

• The presence of water

• The size of the area

Which biome is characterized by cold temperatures and coniferous forests?

• Tropical rainforest

• Boreal forest

• Desert

• Savanna

Which animal is typically found in the tundra biome?

• Caribou

• Toucan

• Tiger

• Coyote

Which creature is commonly associated with tropical rainforests?

• Toucan

• Lynx

• Coyote

• Golden eagle