HB U1P3 Populations, Biomes & Climate Change

Front

What major event allowed the human population to grow exponentially?

Back

The Industrial Revolution.

Front

What is the likely outcome for a squirrel that relies on acorns if oak trees in its habitat start dying?

Back

The squirrel will starve if it can't find enough food.

Front

What biome is characterized by low precipitation, variable temperatures, and soils rich in minerals but poor in organic material?

Back

Desert.

Front

What happens to the trout population if the bear population increases significantly, given that trout are a major food source for bears?

Back

The trout population would decrease.

Front

What role do greenhouse gases play in the Earth's biosphere?

Back

They help maintain the Earth's biosphere but also lead to environmental concerns.

Front

Define 'abiotic factors' in an ecosystem.

Back

Non-living chemical and physical parts of the environment that affect living organisms.

Front

What are some examples of abiotic factors in a desert biome?

Back

Low precipitation and variable temperatures.

Front

What type of plants are dominant in desert biomes?

Back

Cacti and other succulents, as well as creosote bush.

Front

How does an increase in a predator population affect its prey population?

Back

Typically, the prey population will decrease.

Front

What is the significance of organic material in soil for plant growth?

Back

Organic material provides essential nutrients for plants.