Environmental Science S1 Final Exam Review

Front

What is an ecological niche?

Back

An ecological niche refers to the role and position a species has in its environment, including all interactions with biotic and abiotic factors.

Front

What is the advantage of species having different niches?

Back

There is less competition for food.

Front

What biome is colder than a temperate forest but has distinct seasons and trees?

Back

Boreal Forest (Taiga)

Front

What happens to a food chain if the population of a primary consumer (like rabbits) doubles?

Back

The grass population would decrease, and the snake and hawk populations would increase.

Front

What stage of demographic transition is characterized by high birth and death rates?

Back

1 (Pre-Industrial)

Front

What process can move nitrogen from fertilizers into local streams?

Back

Runoff

Front

Define 'biome'.

Back

A biome is a large geographical biotic unit, a major community of plants and animals with similar life forms and environmental conditions.

Front

What is the role of producers in an ecosystem?

Back

Producers, such as plants, convert solar energy into chemical energy through photosynthesis, forming the base of the food chain.

Front

What is biodiversity?

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem, including the number of species, genetic diversity, and ecosystem diversity.

Front

What is the significance of the nitrogen cycle?

Back

The nitrogen cycle is crucial for converting nitrogen from the atmosphere into forms usable by living organisms, thus supporting life.