Biology Sem 1 wk 1

Front

What substance essential for the growth of many autotrophs is released by the weathering and eroding of rocks?

Back

Phosphorus

Front

What term describes the algae, insect larvae, protozoans, and other living things in a large puddle?

Back

Biological community

Front

What defines a biome as a desert?

Back

Rate of evaporation higher than precipitation.

Front

How is the current human population growth described?

Back

Increasing growth and decreasing rate of growth.

Front

Which biome in the United States once contained huge herds of grazing herbivores?

Back

Grassland

Front

What is the primary role of autotrophs in an ecosystem?

Back

To produce energy through photosynthesis.

Front

What is a biome?

Back

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

Front

What is the difference between a population and a community?

Back

A population is a group of individuals of the same species, while a community is made up of different species living together.

Front

What is the significance of nitrogen in ecosystems?

Back

Nitrogen is essential for the production of amino acids and nucleic acids, which are vital for all living organisms.

Front

What is the water cycle?

Back

The continuous movement of water on, above, and below the surface of the Earth.