Question 1

Which of the following best describes the concept of 'carrying capacity' in population ecology?

Accepted Answer

The maximum number of individuals of a particular population that can be supported by an ecosystem.

Question 2

Which of the following is an abiotic factor that could impact population growth?

Accepted Answer

Adverse climate or weather

Question 3

In the context of community ecology, what is the definition of a 'community'?

Accepted Answer

All living organisms occupying a given area.

Question 4

Which of the following best describes 'symbiosis'?

Accepted Answer

A close association between two or more species.

Question 5

Which of the following is an example of mutualism?

Accepted Answer

A bee pollinating a flower.

Question 6

Almost all terrestrial plants have symbiotic mycorrhizal fungi. What is one major benefit of this relationship?

Accepted Answer

Fungi assist with decomposition in the rhizosphere.

Question 7

Phenology studies the relationships between periodic biological events and environmental changes. Which of the following is a real-world example of phenology?

Accepted Answer

The migration of birds in response to seasonal temperature changes.

Question 8

Which category(ies) of ecosystem services are likely to be impacted by climate change?

Accepted Answer

All of the above

Question 9

What percentage of energy is typically transferred to the next trophic level in an ecosystem?

Accepted Answer

$$10\%$$

Question 10

Which trophic level would be more economical to produce as a food source for humans?

Accepted Answer

Primary consumers

Question 11

Which trophic category contains the autotrophs?

Accepted Answer

Primary producers

Question 12

According to the Competitive Exclusion Principle, what happens when two species have identical niches?

Accepted Answer

One species will outcompete the other, leading to exclusion.

Question 13

Resource partitioning allows multiple species that utilize similar resources to coexist. Burying beetles exhibit niche-partitioning in which phenomenon?

Accepted Answer

Reproduction

Question 14

What is the definition of biodiversity?

Accepted Answer

The variety of life on Earth at all its levels, from genes to ecosystems.

Question 15

Why is biodiversity important for ecosystems?

Accepted Answer

It increases the stability and resilience of ecosystems.

Question 16

Which of the following best describes a 'guild' in ecology?

Accepted Answer

A group of species from different taxonomic groups that share ecological functions.

Question 17

What is synergy in the context of ecosystem interactions?

Accepted Answer

The effect of interacting forces is stronger than the sum of the forces acting independently.

Question 18

In a healthy prairie system, where is most of the biomass found?

Accepted Answer

Below ground in roots and soil organisms.

Question 19

Which biogeochemical cycle is most responsible for storing carbon in the oceans?

Accepted Answer

Carbon cycle

Question 20

TRUE/FALSE: Insects are animals.

Accepted Answer

True

Ecology and Ecosystems: Study Notes (General Biology)

Study Guide - Practice Questions

Study Guide - Flashcards