Ecology and Human Impact Review

Question 1

Short answer

Define ecology and explain why it is important to study ecological systems.

Question 2

Short answer

Describe the difference between biotic and abiotic factors in an ecosystem.

Question 3

Short answer

Interpret the food web below. Explain how one other organism on this food web be affected if the mouse population decreased drastically?

Source 3.1

Question 4

Short answer

Explain how energy flows through an ecosystem, starting with the sun.

Question 5

Short answer

Define the term "biomass" and explain its significance in an ecosystem.

Question 6

Short answer

Describe the water cycle and its importance to living organisms.

Question 7

Short answer

Explain the carbon cycle and how it is related to energy flow in an ecosystem.

Question 8

Short answer

Define the term "carrying capacity" and explain how it can affect a population.

Question 9

Short answer

What is mutualism? Provide an example of a mutualistic relationship.

Question 10

Short answer

Describe a predator-prey relationship and how it can affect the population dynamics of both species.

Question 11

Short answer

What is commensalism? Give an example of a commensal relationship.

Question 12

Short answer

Explain parasitism and how it differs from other symbiotic relationships. Provide an example.

Question 13

Short answer

What is biodiversity and why is it important to an ecosystem?

Question 14

Short answer

Describe the process of ecological succession and the difference between primary and secondary succession.

Question 15

Short answer

What are invasive species and how can they impact an ecosystem?

Question 16

Short answer

Explain the concept of a keystone species and give an example.

Question 17

Short answer

Describe how human activities can lead to habitat destruction and loss of biodiversity.

Question 18

Short answer

What is the greenhouse effect and how does it relate to global climate change?

Question 19

Short answer

Explain the concept of an ecological footprint and how it can be reduced.

Question 20

Short answer

What is the difference between renewable and non-renewable resources?

Question 21

Short answer

Explain how natural selection can lead to evolution within a population.

Question 31

Short answer

Define Ecological Succession and explain how the image below shows how the process works.

Source 31.1

Question 32

Short answer

Discuss the consequences of climate change on polar and glacier ecosystems.

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