Question 1

Predation can be best defined as:

Accepted Answer

A) A plant taking in nutrients. 
B) An animal eating scavenged decayed material. 
C) An animal eating a plant. 
D) An animal eating any other organism. 
E) A plant carrying out photosynthesis. 
A) A plant taking in nutrients. 
B) An animal eating scavenged decayed material. 
C) An animal eating a plant. 
D) An animal eating any other organism. 
E) A plant carrying out photosynthesis.

Question 2

In competitive exclusion,which of the following is true?

Accepted Answer

A) Two species cannot coexist in a habitat 
B) One species is a better competitor for resources 
C) Leads to intraspecific competition 
D) Results from intraspecific completion 
E) Leads to population growth for both competitors 
A) Two species cannot coexist in a habitat 
B) One species is a better competitor for resources 
C) Leads to intraspecific competition 
D) Results from intraspecific completion 
E) Leads to population growth for both competitors

Question 3

The type of interaction that results when a resource is in short supply and one organism uses the resource at the expense of the other is called:

Accepted Answer

A) Population explosion. 
B) Predation. 
C) Resource partitioning. 
D) Self-regulation. 
E) Competition. 
A) Population explosion. 
B) Predation. 
C) Resource partitioning. 
D) Self-regulation. 
E) Competition.

Question 4

Zooxanthellae live within the tissues of corals and both organisms benefit from the association.This is known as:

Accepted Answer

A) Mutualism. 
B) Predation. 
C) Commensalism. 
D) Parasitism. 
E) Cleaning symbiosis. 
A) Mutualism. 
B) Predation. 
C) Commensalism. 
D) Parasitism. 
E) Cleaning symbiosis.

Question 5

The detritus in the water includes:

Accepted Answer

A) Dead organic matter 
B) Waste products dissolved in water 
C) All of the plankton 
D) Smallest plankton-feeding fishes 
E) Smallest algae 
A) Dead organic matter 
B) Waste products dissolved in water 
C) All of the plankton 
D) Smallest plankton-feeding fishes 
E) Smallest algae

Question 6

A population's carrying capacity is:

Accepted Answer

A) Affected by the growth rate of the population. 
B) The number of individuals a habitat can support with available resources. 
C) A constant that has been predetermined for all habitats. 
D) The number of individuals in a habitat. 
E) Determined by comparing birth rate and death rate in a population. 
A) Affected by the growth rate of the population. 
B) The number of individuals a habitat can support with available resources. 
C) A constant that has been predetermined for all habitats. 
D) The number of individuals in a habitat. 
E) Determined by comparing birth rate and death rate in a population.

Question 7

A fundamental role of decomposers:

Accepted Answer

A) Releasing nutrients to be used by autotrophs. 
B) Causing diseases. 
C) Providing food for carnivores. 
D) Releasing oxygen. 
E) Providing energy for autotrophs. 
A) Releasing nutrients to be used by autotrophs. 
B) Causing diseases. 
C) Providing food for carnivores. 
D) Releasing oxygen. 
E) Providing energy for autotrophs.

Question 8

Competive exclusion may be affected by:

Accepted Answer

A) Abundance of a resource. 
B) Disturbances to habitat. 
C) Temperature changes. 
D) All answers are correct. 
E) Disturbances to habitat and Temperature changes only. 
A) Abundance of a resource. 
B) Disturbances to habitat. 
C) Temperature changes. 
D) All answers are correct. 
E) Disturbances to habitat and Temperature changes only.

Question 9

The pyramid of biomass shows the:

Accepted Answer

A) Transfer of energy between each trophic level 
B) Energy in each trophic level 
C) Weight of organisms in an trophic level 
D) Weight of organisms in entire food web 
E) Number of individuals in each trophic level 
A) Transfer of energy between each trophic level 
B) Energy in each trophic level 
C) Weight of organisms in an trophic level 
D) Weight of organisms in entire food web 
E) Number of individuals in each trophic level

Question 10

A chiton increases the abundance of its prey,a corraline algae,by feeding on the algae which stimulates growth of that algae.This is an example of:

Accepted Answer

A) Directional selection. 
B) Stabilizing selection. 
C) Competitive exclusion. 
D) Trophic cascade. 
E) Indirect interaction. 
A) Directional selection. 
B) Stabilizing selection. 
C) Competitive exclusion. 
D) Trophic cascade. 
E) Indirect interaction.

Question 11

The level in a food web above the primary producers would be the:

Accepted Answer

A) Top predators. 
B) Secondary consumers. 
C) Carnivores. 
D) Primary consumers. 
E) Parasites. 
A) Top predators. 
B) Secondary consumers. 
C) Carnivores. 
D) Primary consumers. 
E) Parasites.

Question 12

The term trophic refers to:

Accepted Answer

A) Competition. 
B) Feeding. 
C) Symbiosis. 
D) Reproduction. 
E) Habitat. 
A) Competition. 
B) Feeding. 
C) Symbiosis. 
D) Reproduction. 
E) Habitat.

Question 13

Organisms that are classified as benthic would most likely be found in the:

Accepted Answer

A) Neritic zone. 
B) Pelagic zone. 
C) Oceanic zone. 
D) Abyssal zone. 
E) Epipelagic zone. 
A) Neritic zone. 
B) Pelagic zone. 
C) Oceanic zone. 
D) Abyssal zone. 
E) Epipelagic zone.

Question 14

The following is a synonym of autotrophs:

Accepted Answer

A) Consumer. 
B) Primary producer. 
C) Heterotroph. 
D) Animal. 
E) Predator. 
A) Consumer. 
B) Primary producer. 
C) Heterotroph. 
D) Animal. 
E) Predator.

Question 15

A disadvantage of resource partitioning is:

Accepted Answer

A) Size of competing populations increase exponentially and consume all resources. 
B) Size of competing populations may decrease. 
C) Resources become more plentiful. 
D) Competing populations coexist without affecting each other. 
E) No disadvantages exist. 
A) Size of competing populations increase exponentially and consume all resources. 
B) Size of competing populations may decrease. 
C) Resources become more plentiful. 
D) Competing populations coexist without affecting each other. 
E) No disadvantages exist.

Question 16

Which of the following could be a tertiary consumer?

Accepted Answer

A) A seaweed 
B) A grazer 
C) A carnivore 
D) An autotroph 
E) A herbivore 
A) A seaweed 
B) A grazer 
C) A carnivore 
D) An autotroph 
E) A herbivore

Question 17

In a salt marsh,a fish eats decaying material from around the base of Spartina grass plants.A snail scrapes algae from the stalks of the Spartina grass.These species can coexist in the same area because they have:

Accepted Answer

A) The same niche,but different habitat. 
B) The same habitat and the same niche. 
C) The same habitat,but different niche. 
D) Different habitats and different niches. 
E) None of the choices are correct. 
A) The same niche,but different habitat. 
B) The same habitat and the same niche. 
C) The same habitat,but different niche. 
D) Different habitats and different niches. 
E) None of the choices are correct.

Predation can be best defined as:

In competitive exclusion,which of the following is true?

The type of interaction that results when a resource is in short supply and one organism uses the resource at the expense of the other is called:

Zooxanthellae live within the tissues of corals and both organisms benefit from the association.This is known as:

The detritus in the water includes:

A population's carrying capacity is:

A fundamental role of decomposers:

Competive exclusion may be affected by:

The pyramid of biomass shows the:

A chiton increases the abundance of its prey,a corraline algae,by feeding on the algae which stimulates growth of that algae.This is an example of:

The level in a food web above the primary producers would be the:

The term trophic refers to:

Organisms that are classified as benthic would most likely be found in the:

The following is a synonym of autotrophs:

A disadvantage of resource partitioning is:

Which of the following could be a tertiary consumer?

In a salt marsh,a fish eats decaying material from around the base of Spartina grass plants.A snail scrapes algae from the stalks of the Spartina grass.These species can coexist in the same area because they have:

The Science of Marine Biology

The Sea Floor

Chemical and Physical Features of Seawater and the World Ocean

Fundamentals of Biology

The Microbial World

Multicellular Primary Producers: Seaweeds and Plants

Marine Animals Without a Backbone

Marine Fishes

Marine Reptiles, Birds, and Mammals

Between the Tides

Estuaries: Where Rivers Meet the Sea

Life on the Continental Shelf

Coral Reefs

Life Near the Surface

The Ocean Depths

Resources From the Sea

The Impact of Humans on the Marine Environment

The Oceans and Human Affairs

Filters

Exam 10: An Introduction to Marine Ecology

Predation can be best defined as:

In competitive exclusion,which of the following is true?

The type of interaction that results when a resource is in short supply and one organism uses the resource at the expense of the other is called:

Zooxanthellae live within the tissues of corals and both organisms benefit from the association.This is known as:

The detritus in the water includes:

A population's carrying capacity is:

A fundamental role of decomposers:

Competive exclusion may be affected by:

The pyramid of biomass shows the:

A chiton increases the abundance of its prey,a corraline algae,by feeding on the algae which stimulates growth of that algae.This is an example of:

The level in a food web above the primary producers would be the:

The term trophic refers to:

Organisms that are classified as benthic would most likely be found in the:

The following is a synonym of autotrophs:

A disadvantage of resource partitioning is:

Which of the following could be a tertiary consumer?

In a salt marsh,a fish eats decaying material from around the base of Spartina grass plants.A snail scrapes algae from the stalks of the Spartina grass.These species can coexist in the same area because they have:

The Science of Marine Biology

The Sea Floor

Chemical and Physical Features of Seawater and the World Ocean

Fundamentals of Biology

The Microbial World

Multicellular Primary Producers: Seaweeds and Plants

Marine Animals Without a Backbone

Marine Fishes

Marine Reptiles, Birds, and Mammals

Between the Tides

Estuaries: Where Rivers Meet the Sea

Life on the Continental Shelf

Coral Reefs

Life Near the Surface

The Ocean Depths

Resources From the Sea

The Impact of Humans on the Marine Environment

The Oceans and Human Affairs

Filters