Question 1

Secondary succession is the change in species composition over time in a previously uninhabited environment.

Accepted Answer

Secondary succession occurs in environments that were previously inhabited but have been disturbed or damaged, leading to a change in species composition over time.

Question 2

Using the diagram below, compare and contrast the characteristics of tropical desert and tropical rain forest biomes. How are the adaptations and types of plants and animals found in deserts similar and different from those found in tropical rain forests?

Accepted Answer

The answer of Using the diagram below, compare and contrast...

Question 3

Which of the following represents the sequence of primary succession on a bare rock?

Accepted Answer

Primary succession on a bare rock typically starts with lichens that help break down the rock into soil, followed by mosses that can grow in the new soil. Grasses, shrubs, and finally trees will grow as the soil depth and quality improve over time.

Question 4

What is natural selection? What are the basic requirements for natural selection?

Accepted Answer

The answer of What is natural selection? What are the...

Question 5

How are goats useful in the chaparral? Why are they needed? What challenges do they present as a management tool?

Accepted Answer

The answer of How are goats useful in the chaparral?...

Question 6

Freshwater wetlands and estuaries are highly productive and provide enough food to support a variety of organisms. Define a freshwater wetland and an estuary and discuss the ecologically important roles that these ecosystems play.

Accepted Answer

The answer of Freshwater wetlands and estuaries are highly productive...

Question 7

Using the graphs below, compare and contrast the climates of the temperate grasslands and the savanna. What are the implications of these climatic differences for the soil as well as the plants and animals that live in each biome?

Accepted Answer

The answer of Using the graphs below, compare and contrast...

Question 8

Identify two abiotic factors that play a role in determining species composition in aquatic ecosystems. Briefly explain the importance of each to aquatic ecosystems and what role, if any, each factor plays in terrestrial biomes.

Accepted Answer

The answer of Identify two abiotic factors that play a...

Question 9

Describe the ecological significance of fire. Why has the question of fire in fire-dependent ecosystems become more complicated in recent years? Make a case for humans deliberately setting fires, giving the advantages and disadvantages for the ecosystem. What are three other fire prevention practices that can reduce the threat of fire to those who have homes in fire-vulnerable areas?

Accepted Answer

The answer of Describe the ecological significance of fire. Why...

Question 10

Explain what is shown in the two diagrams below. How does this help to provide evidence to support evolution?

Accepted Answer

The answer of Explain what is shown in the two...

Question 11

Compare and contrast the zonation and ecology of freshwater lakes. Identify relevant processes, and incorporate specific examples where appropriate using the following terminology: littoral, limnetic, and profundal.

Accepted Answer

The answer of Compare and contrast the zonation and ecology...

Question 12

Draw a flow diagram of an old field undergoing succession. What type of succession is this and why?

Accepted Answer

The answer of Draw a flow diagram of an old...

Question 13

How would you argue against the following statement made during the zoning board hearings in your local community? "Deserts are barren, hot and dry wastelands. My proposed housing development, including off-road vehicle recreation areas, will replace this scorching, arid, harsh environment with homes that will benefit the entire community."

Accepted Answer

The answer of How would you argue against the following...

Question 14

Which of the following statements about secondary succession is TRUE:

Accepted Answer

The answer of Which of the following statements about secondary...

Quiz 6: Ecosystems and Evolution