Biology Sem 1 wk 1

Front

What is a biogeochemical cycle?

Back

A biogeochemical cycle is the movement of elements and compounds through biological, geological, and chemical processes in the environment.

Front

What is an example of a biogeochemical cycle?

Back

Carbon trapped on the ocean floor is an example of a biogeochemical cycle.

Front

What does population density refer to?

Back

Population density refers to the number of individuals of a species per unit area, such as 78 Norway maple trees per hectare.

Front

What is a biome?

Back

A biome is a large geographic area characterized by similar climate, soil, plants, and animals.

Front

What biome is characterized by large herds of grazing herbivores?

Back

Grassland is the biome that once contained huge herds of grazing herbivores in the United States.

Front

What defines a desert biome?

Back

A desert biome is defined by a rate of evaporation that is higher than precipitation.

Front

What is the significance of carbon in the biogeochemical cycle?

Back

Carbon is essential for life and is cycled through the environment via processes like photosynthesis and respiration.

Front

What factors influence population density?

Back

Factors influencing population density include resource availability, habitat space, and environmental conditions.

Front

What are climax communities?

Back

Climax communities are stable, mature ecological communities that have reached a steady state.

Front

What is the difference between population range and population density?

Back

Population range refers to the geographical area where a species can be found, while population density measures how many individuals exist in that area.